Today's Message Index:
----------------------
1. 02:37 AM - Re: Kolb List- MK 3 engine options (ElleryWeld@aol.com)
2. 03:07 AM - Re: Re: fuel filter160163215628 (Denny Rowe)
3. 05:43 AM - Re: trim tab attachment (Dana Hague)
4. 05:44 AM - Re: 582 stater plate any one ?? rick (Richard Girard)
5. 05:53 AM - Re: ultrastar rudder authority (Dana Hague)
6. 05:57 AM - Re: Kolb List- MK 3 engine options (Richard Girard)
7. 05:59 AM - Re: Re: Grand Vortex Generator Challenge (robert bean)
8. 06:18 AM - Re: Jim Swan's AOL Slide Show (icrashrc)
9. 06:26 AM - Re: trim tab attachment (John Hauck)
10. 06:32 AM - Re: ultrastar rudder authority (John Hauck)
11. 06:41 AM - Re: Re: Jim Swan's AOL Slide Show (John Hauck)
12. 06:43 AM - Re: ultrastar rudder authority (John Hauck)
13. 07:04 AM - Re: VW Deminstration Flights at Homecoming (Jack B. Hart)
14. 07:16 AM - Re: VW Deminstration Flights at Homecoming (John Hauck)
15. 07:34 AM - Re: Re: fuel filter160163215628 (Vic Peters)
16. 07:36 AM - Re: VW Deminstration Flights at Homecoming (Jim Hauck)
17. 07:38 AM - Re: Kolb List- MK 3 engine options (Vic Peters)
18. 08:04 AM - Re: VW Deminstration Flights at Homecoming (herbgh@juno.com)
19. 08:47 AM - Re: VW Deminstration Flights at Homecoming (herbgh@juno.com)
20. 09:12 AM - Re: VW Deminstration Flights at Homecoming (Richard Girard)
21. 09:19 AM - Free spark plugs (N27SB@aol.com)
22. 09:25 AM - Re: VW Deminstration Flights at Homecoming (neilsenrm@comcast.net)
23. 09:32 AM - Re: VW Deminstration Flights at Homecoming (lucien)
24. 09:32 AM - Re: VW Deminstration Flights at Homecoming (Jim Hauck)
25. 09:54 AM - Re: VW Deminstration Flights at Homecoming (Richard Girard)
26. 09:59 AM - Re: Re: VW Deminstration Flights at Homecoming (Jim Hauck)
27. 10:43 AM - Re: VW Deminstration Flights at Homecoming (herbgh@juno.com)
28. 10:47 AM - Re: Re: VW Deminstration Flights at Homecoming (herbgh@juno.com)
29. 12:24 PM - Fuel pumps (Wade Lawicki)
30. 12:27 PM - Re: aileron gap seal tape (Wade Lawicki)
31. 12:44 PM - Re: Fuel pumps (Bob Noyer)
32. 01:16 PM - Re: Fuel pumps (henry.voris)
33. 02:46 PM - Re: VW Deminstration Flights at Homecoming (Richard Girard)
34. 03:51 PM - Re: Fuel pumps (Steven Green)
35. 06:25 PM - Re: 582 stater plate any one ?? rick (Malcolmbru@aol.com)
36. 07:02 PM - Re: aileron gap seal tape (lucien)
37. 07:48 PM - Re: Re: aileron gap seal tape (Dana Hague)
38. 07:51 PM - Re: Re: aileron gap seal tape (N27SB@aol.com)
39. 07:52 PM - Re: Re: aileron gap seal tape (N27SB@aol.com)
40. 08:33 PM - Re: aileron gap seal tape (lucien)
41. 09:02 PM - Re: 582 stater plate any one ?? rick (Richard Girard)
Message 1
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| Subject: | Re: Kolb List- MK 3 engine options |
I just threw that in there to get a chuckle out of someone first time I have
ever seen such a small engine like that
and at the same time thinking there's no way you could Cary enough fuel to
make that worth the instillation, aggravation
Thanks for the reply Rick :o)
Ellery
do not archive
Message 2
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| Subject: | Re: fuel filter160163215628 |
>
>
> Denny R:
>
> Probably why they sell a replacement gasket for auto fuel
>
>
> REPLACEMENT GASKETS
> AUTO FUEL 10536-1 06-00441 $5.45
>
> john h
> mkIII
>
John, Thom,
That is good news, ACS did not have that back a couple years ago, I guess my
old gasculator is not worthless after all. I even went to the trouble of
machining a bowl from billet that used a viton o ring but was unhappy with
the weight, I never tried Thoms idea of using a differant gasket material.
Thanks,
Denny
Message 3
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| Subject: | Re: trim tab attachment |
At 11:11 PM 10/6/2007, John Hauck wrote:
>Wing incidence may not be correct. Too much or too little, I do not know
>how that would affect pitch attitude.
Insufficient wing incidence (or more correctly, insufficient declage, which
is the relative angle between wing and stabilizer) would cause a nose down
tendency. I don't think that's the case, though.
>On my US, I rigged it according to the construction manual. It still
>needed rudder, aileron, and elevator trim tabs to zero out any adverse
>pressure on the stick. I made all the tabs out of .016" alum. They were
>easy to bend...
How did you attach them? Rivets I assume, but into what? The trailing
edge or ribs or both?
-Dana
--
--
"I'm a lawyer." "Honest?" "No, the usual kind."
Message 4
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| Subject: | Re: 582 stater plate any one ?? rick |
Malcolm, There are four manuals for the Rotax two strokes, Installation,
Operation, Line Maintenance (although it's called the maintenance manual),
and Heavy Maintenance. The Heavy Maintenance Manual is for Models 462, 532,
and 582. It is part no. 899 081 The section you want to look at is
7.9starting on page 59.
At the Rotax aircraft engine site it's listed as the Repair manual, the part
number is the same but it's shown as n.a. under file and pdf file size.
http://www.rotax-aircraft-engines.com/a_searchdoc.aspx
I got mine at the repair center classes at Lockwood. I'll see if I can get
my scanner up and running (even finding it may be a miracle after three
moves, so I make no promises) and send the relevant pages.
Any body out there have this manual and a working scanner?
Rick
On 10/6/07, Malcolmbru@aol.com <Malcolmbru@aol.com> wrote:
>
> good idea what do you mean? by heavy maintenance manual ? malcolm
>
>
> ------------------------------
> See what's new at ww.aol.com?NCID=AOLCMP00300000001170" target="_blank">
> *
>
--
Rick Girard
"Ya'll drop on in"
takes on a whole new meaning
when you live at the airport.
Message 5
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| Subject: | Re: ultrastar rudder authority |
At 11:31 PM 10/6/2007, John Hauck wrote:
>You probably have more tailwheel problem than rudder problem. A standard
>tea cart US tailwheel and assembly was not know to turn well. A full
>swiveling break away tailwheel would do a much better job. Trying to
>force the US and FS to turn with rudder and power, on the ground, is very
>hard on the tailpost and lower vertical stabilizer leading edge which is
>an alum tube.
Yes, that (the side load on the lower fin) bothers me. A swivel tailwheel
would be nice, but I've never seen one small and light enough... have you?
>You may have tail wheel springs that are too weak to turn the tailwheel.
>Are you sure your tailwheel is turning when you deflect the rudder?
Yes, but it's back to that same issue, I have to push the rudder pedals way
down, too far to be comfortable, to get the desired effect.
-Dana
--
--
"I'm a lawyer." "Honest?" "No, the usual kind."
Message 6
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| Subject: | Re: Kolb List- MK 3 engine options |
I used to lust after it, until it became an any time now thing with the NSI
guys, despite the fuel consumption. I even drew up strakes for the LongEZ
that increased the fuel capacity to almost 80 gallons. I had a bad case, I
guess.
Is the Sky Ranger emergency over yet?:-)
Rick
On 10/7/07, ElleryWeld@aol.com <ElleryWeld@aol.com> wrote:
>
> *I just threw that in there to get a chuckle out of someone first time I
> have ever seen such a small engine like that *
> *and at the same time thinking there's no way you could Cary enough fuel
> to make that worth the instillation, aggravation*
> **
> *Thanks for the reply Rick :o)*
> **
> *Ellery*
> **
> *do not archive*
>
>
> ------------------------------
>
> *
>
>
> *
>
>
--
Rick Girard
"Ya'll drop on in"
takes on a whole new meaning
when you live at the airport.
Message 7
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| Subject: | Re: Grand Vortex Generator Challenge |
I think I will combine the two ideas and slather my wingtops with
seafoam.
10% faster cruise and 10% lower stall. Can I shave with that stuff?
BBBurmashave do not archive
Message 8
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| Subject: | Re: Jim Swan's AOL Slide Show |
John,
Thanks for the info. By 'ask the enginners' i assume you mean Homer. I'll ask him
next time i talk to him. Should be in about 2 months when Marcus gets back
from Antartica.
--------
Scott
www.ill-EagleAviation.com
do not archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=138597#138597
Message 9
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| Subject: | Re: trim tab attachment |
> How did you attach them? Rivets I assume, but into what? The trailing
> edge or ribs or both?
>
> -Dana
Back then, I attached to trailing edge with 1/8" fabric rivets, about 1"
spacing.
If you put enough hours on the aircraft you will probably have to replace a
trim tab or a rivet or two.
On the mkIII I attach the only trim tab to the rudder using two ribs and no
rivets in the trailing edge.
john h
mkIII
Message 10
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| Subject: | Re: ultrastar rudder authority |
A swivel tailwheel
> would be nice, but I've never seen one small and light enough... have you?
Call Travis at TNK. He has a nice small full swiveling tail wheel
> Yes, but it's back to that same issue, I have to push the rudder pedals
> way down, too far to be comfortable, to get the desired effect.
>
> -Dana
If you have differential braking, use the brakes to help you maneuver on the
ground.
IIRC, the rudder cables on the US connect off a tab on the rudder pedal. I
may be dreaming and wrong again.
Anyhow, would insure all the measurements for attachments for cables is
correct.
Another thing to insure is not giving under load is the tail wheel horn on
the bottom of the rudder, and the hinges that attach the rudder. The hinges
on the bottom of the rudder are under heavy load when the rudder is
deflected, especially on the ground.
john h
mkIII
Message 11
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| Subject: | Re: Jim Swan's AOL Slide Show |
> Thanks for the info. By 'ask the enginners' i assume you mean Homer. I'll
ask him next time i talk to him. Should be in about 2 months when Marcus
gets back from Antartica.
>
> --------
> Scott
Scott:
I am not having any problem with the drag strut bolt loosening up on my
mkIII. Been a long, long time since I have had one work loose.
I would not change it. Lot of Kolbs out there flying with one bolt in the
drag strut.
Could have been caused by drilling slightly oversize holes. I am not a good
driller. ;-)
john h
mkIII
Message 12
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| Subject: | Re: ultrastar rudder authority |
>> Yes, but it's back to that same issue, I have to push the rudder pedals
>> way down, too far to be comfortable, to get the desired effect.
>>
>> -Dana
Dana:
If the tailwheel strut is still stock in length, you can shorten it until
about 4 or 5 inches of the strut are exposed. This may give you more
tailwheel authority on the ground.
john h
mkIII
Message 13
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| Subject: | Re: VW Deminstration Flights at Homecoming |
From: "John Hauck" <jhauck@elmore.rr.com>
............
I watched the 1/2 VW fly on the FS. It seemed to do a good job. Sorry, but I
did not take time to take a close look at it and the installation.
............
John, Steve, & Kolber's,
Is there any info on who this fellow is? I would like to talk to him.
Jack B. Hart FF004
Winchester, IN
Message 14
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| Subject: | Re: VW Deminstration Flights at Homecoming |
> Is there any info on who this fellow is? I would like to talk to him.
>
> Jack B. Hart FF004
Jack:
Contact Travis, at TNK. He has contact info on this gentleman. I believe
he lives in the London, KY, area.
Wish I had taken time to look at the FS w/1/2 VW more carefully.
Homer Kolb took a good look at it. At one time they ran it up on the
ground. Homer was helping him hold it down.
Later Homer told me there was a lot of vibration in the engine, even when
run up to WOT and cruise rpm.
I believe it is a direct drive with no torsional vibration dampening.
Take care,
john h
mkIII
Message 15
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| Subject: | Re: fuel filter160163215628 |
"Mike,
If you plan on ever using pump gas in your Mk-3, do not use that ACS
gasculator! Pump gas will ruin its gasket in a couple minutes and it will
leak like hell.
Ask me how I know? Thegasket only holds up to 100ll
Denny Rowe "
Ditto on the gascolator from Great Plains, and wait till you try to mount
it.
The bail bends, the thumb screw is next to impossible to center, then you
have to safety wire it.
I threw mine out!
I got the blue aluminun jobbie from Spruce.
2 ports out plus one 1/8 for a primer.
Direct mount.
Vic
Maine
Message 16
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| Subject: | Re: VW Deminstration Flights at Homecoming |
Y'all;
1/2 VW's are almost impossible to balance. The one that I built a few
years back was balanced by a friend of Bro John's and mine who built
high performance engines. It liked to have drove him mad trying to
balance it.
The vibration at WOT was not too severe, but it kept your attention.
I eliminated most of the top end vibration by adding a 1/4 inch thick
steel tab on the propeller bolts 90 degrees from No 1 cylinder TDC. This
tab was about 2 inches by 3 inches. I don't remember what the weight was
now.
The problem of the vibration has something to do with the connecting rod
angle to the piston and crankshaft. At least that is what I was told by
an engineer.
Good little engines if they had a decent redrive on them.
Do not archive.
Jim Hauck
On 10/7/2007 10:16:12 AM, John Hauck (jhauck@elmore.rr.com) wrote:
>
>
> > Is there any info on who this fellow is? I would like to talk to
him.
> >
> > Jack B. Hart FF004
>
>
> Jack:
>
> Contact Travis, at TNK. He has contact info on this gentleman. I
believe
>
> he lives in the London, KY, area.
>
> Wish I had taken time to look at the FS w/1/2 VW more carefully.
>
> Homer Kolb took a good look at it. At one time they ran it up on the
> ground. Homer was helping him hold it down.
>
> Later Homer told me there was a lot of vibration in the engine, even
when
>
> run up to WOT and cruise rpm.
>
> I believe it is a direct drive with no torsional vibration dampening.
>
> Take care,
>
> john h
> mkIII
>
>
>
Message 17
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| Subject: | Re: Kolb List- MK 3 engine options |
No problem Ellery, just splice on an extre boom tube!
Vic
do not archive
Message 18
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| Subject: | Re: VW Deminstration Flights at Homecoming |
Jack
He is not "net worthy".. however I have his number...
The engine was on loan from another fellows Firefly..East Tenn
area..Knoxville.. The engine is back on the Firefly .. It has dual ign
and is well stroked.. Forget but I think over 84mm.. 92 or 94 jugs.. 40
horses or so? The owner is currently working on a 90 mm stroker.. I did
not know that 90 mm was possible..? Gonna go over and see that one..
Easy day trip from south cent. Ky. Been saying that for a year however!
:-)
If one allows Scott Casler balance the rotating parts(125 bucks) ;
then the engine runs very smooth..idles well at 600 rpms or so.. may or
may not have a rough spot around 1400 to 1600 rpms.. requires a fly
weight on the prop hub.
I fly Global,half vw's on my N3 pup and am absolutely open to
installing a vw on my Firefly or TriFly that is currently percolating in
my head! :-)
VW's , especially half vw's with cut cases take a hit because of oil
leaks.. I sealed my Globals with goo that sells for 15 bucks a tube..
Anerobic sealant..forget the brand.red tube .maybe Great Planes sells it?
No oil leaks..
It is important to have a good crankcase vent system.. That area can be
the source for an oily belly if ill designed...
Nice thing is that a half vw can be freshened with all new
bearings,jugs, pistons, rings and wrist pins,valves,keepers for less than
$300 bucks..:-) Price of one 582 piston? Wrist pin extra? :-)
I will send you the number by private mail...Herb
On Sun, 07 Oct 2007 09:12:37 -0500 "Jack B. Hart"
<jbhart@onlyinternet.net> writes:
> <jbhart@onlyinternet.net>
>
> From: "John Hauck" <jhauck@elmore.rr.com>
> ............
> I watched the 1/2 VW fly on the FS. It seemed to do a good job.
> Sorry, but I did not take time to take a close look at it and the
> installation.
> ............
>
> John, Steve, & Kolber's,
>
> Is there any info on who this fellow is? I would like to talk to
> him.
>
> Jack B. Hart FF004
> Winchester, IN
>
>
>
>
>
>
>
Message 19
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| Subject: | Re: VW Deminstration Flights at Homecoming |
Jim
Yep! Balancing the little hummers is an art.. something like 100 %
of the rotating mass and 35% of the recriprocating mass..
likely never would run as smooth as most of the two cycles.. That
said...Very adequate if properly isolated... The Global in my Pup is
running is 20 year old isolators and is not well balanced..still in
all..not tremendously worse than the 447 on my Firefly.. neat thing is
the 600 rpm idle.. I will have it balanced . Currently the instrument
panel has to be isolated to try to preserve the instruments..
Neat thing is to get to cruise alt and dial in the Egts..lean it out a
bit... Just be sure to richen for landing!
I remember and have chatted with the fellow who headed the half vw
project at Team Aircraft (mini max) . He tells it as a disaster..I
recall seeing one hand propped at a flyin in middle tenn..I thought the
engine would separate from the airframe..? They gave up... This back in
the late 80's or early 90's..
However... than said... Scott Casler has refined the balance process
over the years.(others too I guess ) (he worked with Morrey Hummel)
Extra weight has to be added to the rear of the crank and the final
tune is to calculate the prop hub fly wt.. Like you I am tempted to add a
guesstimate prop hub wt. Scott says that it is peeing in the wind..
Early Hummel engines were really bad I am told..
The redrive problem has to do with the inherent intent of the engine
to shake its self to pieces..Both pistons are in and out together.. The
torsionals are severe and attemps to redrive them has lead to very early
belt failure.. Valley Engineering who made Ricks redrive tried but
failed.. Herb
On Sun, 7 Oct 2007 10:38:11 -0400 "Jim Hauck" <jimh474@embarqmail.com>
writes:
Y'all;
1/2 VW's are almost impossible to balance. The one that I built a few
years back was balanced by a friend of Bro John's and mine who built high
performance engines. It liked to have drove him mad trying to balance it.
The vibration at WOT was not too severe, but it kept your attention.
I eliminated most of the top end vibration by adding a 1/4 inch thick
steel tab on the propeller bolts 90 degrees from No 1 cylinder TDC. This
tab was about 2 inches by 3 inches. I don't remember what the weight was
now.
The problem of the vibration has something to do with the connecting rod
angle to the piston and crankshaft. At least that is what I was told by
an engineer.
Good little engines if they had a decent redrive on them.
Do not archive.
Jim Hauck
On 10/7/2007 10:16:12 AM, John Hauck (jhauck@elmore.rr.com) wrote:
>
>
> > Is there any info on who this fellow is? I would like to talk to
him.
> >
> > Jack B. Hart FF004
>
>
> Jack:
>
> Contact Travis, at TNK. He has contact info on this gentleman. I
believe
>
> he lives in the London, KY, area.
>
> Wish I had taken time to look at the FS w/1/2 VW more carefully.
>
> Homer Kolb took a good look at it. At one time they ran it up on the
> ground. Homer was helping him hold it down.
>
> Later Homer told me there was a lot of vibration in the engine, even
when
>
> run up to WOT and cruise rpm.
>
> I believe it is a direct drive with no torsional vibration dampening.
>
> Take care,
>
> john h
> mkIII
>
>
> ==========
> Kolb-List Email browse
> Photoshare, and much
href="http://www.matronics.com/Navigator?Kolb-List">http://www.matronics.
com/Navigator?Kolb-List
Message 20
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| Subject: | Re: VW Deminstration Flights at Homecoming |
Herb, et al, The perfect 1/2 VW is out there. It runs like a charm, sips
gas, and is a bolt on for a Firestar or Fire Fly. It's called the HKS700E.
Rick
On 10/7/07, herbgh@juno.com <herbgh@juno.com> wrote:
>
> Jim
> Yep! Balancing the little hummers is an art.. something like 100 % of
> the rotating mass and 35% of the recriprocating mass..
>
> likely never would run as smooth as most of the two cycles.. That
> said...Very adequate if properly isolated... The Global in my Pup is running
> is 20 year old isolators and is not well balanced..still in all..not
> tremendously worse than the 447 on my Firefly.. neat thing is the 600 rpm
> idle.. I will have it balanced . Currently the instrument panel has to be
> isolated to try to preserve the instruments..
>
> Neat thing is to get to cruise alt and dial in the Egts..lean it out a
> bit... Just be sure to richen for landing!
>
> I remember and have chatted with the fellow who headed the half vw
> project at Team Aircraft (mini max) . He tells it as a disaster..I recall
> seeing one hand propped at a flyin in middle tenn..I thought the engine
> would separate from the airframe..? They gave up... This back in the late
> 80's or early 90's..
>
> However... than said... Scott Casler has refined the balance process
> over the years.(others too I guess ) (he worked with Morrey Hummel)
>
> Extra weight has to be added to the rear of the crank and the final
> tune is to calculate the prop hub fly wt.. Like you I am tempted to add a
> guesstimate prop hub wt. Scott says that it is peeing in the wind..
>
> Early Hummel engines were really bad I am told..
>
> The redrive problem has to do with the inherent intent of the engine
> to shake its self to pieces..Both pistons are in and out together.. The
> torsionals are severe and attemps to redrive them has lead to very early
> belt failure.. Valley Engineering who made Ricks redrive tried but failed..
> Herb
>
>
> On Sun, 7 Oct 2007 10:38:11 -0400 "Jim Hauck" <jimh474@embarqmail.com>
> writes:
>
> *Y'all;*
> **
> *1/2 VW's are almost impossible to balance. The one that I built a few
> years back was balanced by a friend of Bro John's and mine who built high
> performance engines. It liked to have drove him mad trying to balance it.*
> **
> *The vibration at WOT was not too severe, but it kept your attention.*
> **
> *I eliminated most of the top end vibration by adding a 1/4 inch thick
> steel tab on the propeller bolts 90 degrees from No 1 cylinder TDC. This tab
> was about 2 inches by 3 inches. I don't remember what the weight was now.*
> **
> *The problem of the vibration has something to do with the connecting rod
> angle to the piston and crankshaft. At least that is what I was told by an
> engineer.*
> **
> *Good little engines if they had a decent redrive on them.*
> **
> *Do not archive.*
> **
> *Jim Hauck*
> On 10/7/2007 10:16:12 AM, John Hauck (jhauck@elmore.rr.com) wrote:
> >
> >
> > > Is there any info on who this fellow is? I would like to talk to him.
> > >
> > > Jack B. Hart FF004
> >
> >
> > Jack:
> >
> > Contact Travis, at TNK. He has contact info on this gentleman. I
> believe
> >
> > he lives in the London, KY, area.
> >
> > Wish I had taken time to look at the FS w/1/2 VW more carefully.
> >
> > Homer Kolb took a good look at it. At one time they ran it up on the
> > ground. Homer was helping him hold it down.
> >
> > Later Homer told me there was a lot of vibration in the engine, even
> when
> >
> > run up to WOT and cruise rpm.
> >
> > I believe it is a direct drive with no torsional vibration dampening.
> >
> > Take care,
> >
> > john h
> > mkIII
> >
> >
> > ==========
> > Kolb-List Email browse
> > Photoshare, and much href="http://www.matronics.com/Navigator?Kolb-List
> ">http://www.matronics.com/Navigator?Kolb-List
>
> *
> http://www.matronics.com/Navigator?Kolb-Listmatronics.com
> *
>
>
> *
>
>
> *
>
>
--
Rick Girard
"Ya'll drop on in"
takes on a whole new meaning
when you live at the airport.
Message 21
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| Subject: | Free spark plugs |
All,
Cleaning out the Hanger,
I have 4 plugs that I was sold by mistake at SnF last year. #BR6FS NGK
Do not know what they are for. $5 to cover shipping and they are yours.
Steve B
Firefly 007/Floats
do not archive
Message 22
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| Subject: | Re: VW Deminstration Flights at Homecoming |
Talk to Steve Bennit (sp) at Great Plains he would be real up front with 1/2 VW
issues. I never saw the engine runnig up close but it looked rough. I think I
took a close up of it if any one is intrested but I'm not at home now were the
photos are.
As for a redrive my new drive might work on a 1/2 VW it was ourigionally designed
to run on that V twin Genrec engine that Valley sells. That V twin has to be
the worst harmonic monster going but? Talk to Gene Smith at Valley. I was told
that the performance was good without it.
And I agree the HKS would be a much better engine.
Rick Neilsen
Redrive VW powered MKIIIC
-------------- Original message --------------
From: herbgh@juno.com
Jim
Yep! Balancing the little hummers is an art.. something like 100 % of the
rotating mass and 35% of the recriprocating mass..
likely never would run as smooth as most of the two cycles.. That said...Very
adequate if properly isolated... The Global in my Pup is running is 20 year
old isolators and is not well balanced..still in all..not tremendously worse
than the 447 on my Firefly.. neat thing is the 600 rpm idle.. I will have it
balanced . Currently the instrument panel has to be isolated to try to preserve
the instruments..
Neat thing is to get to cruise alt and dial in the Egts..lean it out a bit...
Just be sure to richen for landing!
I remember and have chatted with the fellow who headed the half vw project at
Team Aircraft (mini max) . He tells it as a disaster..I recall seeing one hand
propped at a flyin in middle tenn..I thought the engine would separate from
the airframe..? They gave up... This back in the late 80's or early 90's..
However... than said... Scott Casler has refined the balance process over the
years.(others too I guess ) (he worked with Morrey Hummel)
Extra weight has to be added to the rear of the crank and the final tune is
to calculate the prop hub fly wt.. Like you I am tempted to add a guesstimate
prop hub wt. Scott says that it is peeing in the wind..
Early Hummel engines were really bad I am told..
The redrive problem has to do with the inherent intent of the engine to shake
its self to pieces..Both pistons are in and out together.. The torsionals are
severe and attemps to redrive them has lead to very early belt failure.. Valley
Engineering who made Ricks redrive tried but failed.. Herb
On Sun, 7 Oct 2007 10:38:11 -0400 "Jim Hauck" <jimh474@embarqmail.com> writes:
Y'all;
1/2 VW's are almost impossible to balance. The one that I built a few years back
was balanced by a friend of Bro John's and mine who built high performance engines.
It liked to have drove him mad trying to balance it.
The vibration at WOT was not too severe, but it kept your attention.
I eliminated most of the top end vibration by adding a 1/4 inch thick steel tab
on the propeller bolts 90 degrees from No 1 cylinder TDC. This tab was about
2 inches by 3 inches. I don't remember what the weight was now.
The problem of the vibration has something to do with the connecting rod angle
to the piston and crankshaft. At least that is what I was told by an engineer.
Good little engines if they had a decent redrive on them.
Do not archive.
Jim Hauck
On 10/7/2007 10:16:12 AM, John Hauck (jhauck@elmore.rr.com) wrote:
>
>
> > Is there any info on who this fellow is? I would like to talk to him.
> >
> > Jack B. Hart FF004
>
>
> Jack:
>
> Contact Travis, at TNK. He has contact info on this gentleman. I believe
>
> he lives in the London, KY, area.
>
> Wish I had taken time to look at the FS w/1/2 VW more carefully.
>
> Homer Kolb took a good look at it. At one time they ran it up on the
> ground. Homer was helping him hold it down.
>
> Later Homer told me there was a lot of vibration in the engine, even when
>
> run up to WOT and cruise rpm.
>
> I believe it is a direct drive with no torsional vibration dampening.
>
> Take care,
>
> john h
> mkIII
>
>
> ==========
> Kolb-List Email browse
> Photoshare, and much href="http://www.matronics.com/Navigator?Kolb-List">http://www.matronics.com/Navigator?Kolb-List
http://www.matronics.com/Navigator?Kolb-List
matronics.com
<html><body>
<DIV>Talk to Steve Bennit (sp) at Great Plains he would be real up front
with 1/2 VW issues. I never saw the engine runnig up close but it
looked rough. I think I took a close up of it if any one is intrested but I'm
not at home now were the photos are.</DIV>
<DIV> </DIV>
<DIV>As for a redrive my new drive might work on a 1/2 VW it was ourigionally designed
to run on that V twin Genrec engine that Valley sells. That V twin
has to be the worst harmonic monster going but? Talk to Gene Smith at Valley.
I was told that the performance was good without it.</DIV>
<DIV> </DIV>
<DIV>And I agree the HKS would be a much better engine.</DIV>
<DIV> </DIV>
<DIV>Rick Neilsen</DIV>
<DIV>Redrive VW powered MKIIIC </DIV>
<DIV> </DIV>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px
solid">-------------- Original message -------------- <BR>From: herbgh@juno.com
<BR>
<META content="MSHTML 6.00.6000.16525" name=GENERATOR>
<STYLE></STYLE>
<DIV>Jim</DIV>
<DIV> Yep! Balancing the little hummers is an art.. something
like 100 % of the rotating mass and 35% of the recriprocating mass..
</DIV>
<DIV> </DIV>
<DIV> likely never would run as smooth as most of the two
cycles.. That said...Very adequate if properly isolated... The Global in my
Pup is running is 20 year old isolators and is not well balanced..still in all..not
tremendously worse than the 447 on my Firefly.. neat thing is the
600 rpm idle.. I will have it balanced . Currently the instrument
panel has to be isolated to try to preserve the instruments.. </DIV>
<DIV> </DIV>
<DIV> Neat thing is to get to cruise alt and dial in the Egts..lean it out
a bit... Just be sure to richen for landing! </DIV>
<DIV> </DIV>
<DIV> I remember and have chatted with the fellow who headed the half vw
project at Team Aircraft (mini max) . He tells it as a disaster..I recall
seeing one hand propped at a flyin in middle tenn..I thought the engine would
separate from the airframe..? They gave up... This back in the late
80's or early 90's.. </DIV>
<DIV> </DIV>
<DIV> However... than said... Scott Casler has refined the balance
process over the years.(others too I guess ) (he worked with Morrey Hummel) </DIV>
<DIV> </DIV>
<DIV> Extra weight has to be added to the rear of the crank and
the final tune is to calculate the prop hub fly wt.. Like you I am tempted
to add a guesstimate prop hub wt. Scott says that it is peeing in the wind..
</DIV>
<DIV> </DIV>
<DIV> Early Hummel engines were really bad
I am told..</DIV>
<DIV> </DIV>
<DIV> The redrive problem has to do with the inherent intent
of the engine to shake its self to pieces..Both pistons are in and out together..
The torsionals are severe and attemps to redrive them has lead to very early
belt failure.. Valley Engineering who made Ricks redrive tried but failed..
Herb </DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>On Sun, 7 Oct 2007 10:38:11 -0400 "Jim Hauck" <<A href="mailto:jimh474@embarqmail.com">jimh474@embarqmail.com</A>> writes:</DIV>
<BLOCKQUOTE dir=ltr style="PADDING-LEFT: 10px; MARGIN-LEFT: 10px; BORDER-LEFT:
#000000 2px solid">
<DIV><STRONG><FONT size=2>Y'all;</FONT></STRONG></DIV>
<DIV><STRONG><FONT size=2></FONT></STRONG> </DIV>
<DIV><STRONG><FONT size=2>1/2 VW's are almost impossible to balance. The one that
I built a few years back was balanced by a friend of Bro John's and mine who
built high performance engines. It liked to have drove him mad trying to balance
it.</FONT></STRONG></DIV>
<DIV><STRONG><FONT size=2></FONT></STRONG> </DIV>
<DIV><STRONG><FONT size=2>The vibration at WOT was not too severe, but it kept
your attention.</FONT></STRONG></DIV>
<DIV><STRONG><FONT size=2></FONT></STRONG> </DIV>
<DIV><STRONG><FONT size=2>I eliminated most of the top end vibration by adding
a 1/4 inch thick steel tab on the propeller bolts 90 degrees from No 1 cylinder
TDC. This tab was about 2 inches by 3 inches. I don't remember what the
weight was now.</FONT></STRONG></DIV>
<DIV><STRONG><FONT size=2></FONT></STRONG> </DIV>
<DIV><STRONG><FONT size=2>The problem of the vibration has something to do with
the connecting rod angle to the piston and crankshaft. At least that is what
I was told by an engineer.</FONT></STRONG></DIV>
<DIV><STRONG><FONT size=2></FONT></STRONG> </DIV>
<DIV><STRONG><FONT size=2>Good little engines if they had a decent redrive on them.</FONT></STRONG></DIV>
<DIV><STRONG><FONT size=2></FONT></STRONG> </DIV>
<DIV><STRONG><FONT size=2>Do not archive.</FONT></STRONG></DIV>
<DIV><STRONG><FONT size=2></FONT></STRONG> </DIV>
<DIV><STRONG><FONT size=2>Jim Hauck</FONT></STRONG></DIV>On 10/7/2007 10:16:12 AM, John Hauck (<A href="mailto:jhauck@elmore.rr.com">jhauck@elmore.rr.com</A>) wrote:<BR>> --> Kolb-List message posted by: "John Hauck" <<A href="mailto:jhauck@elmore.rr.com">jhauck@elmore.rr.com</A>><BR>> <BR>> <BR>> > Is there any info on who this fellow is? I would like to talk to him.<BR>> ><BR>> > Jack B. Hart FF004<BR>> <BR>> <BR>> Jack:<BR>> <BR>> Contact Travis, at TNK. He has contact info on this gentleman. I believe<BR>> <BR>> he lives in the London, KY, area.<BR>> <BR>> Wish I had taken time to look at the FS w/1/2 VW more carefully.<BR>> <BR>> Homer Kolb took a good look at it. At one time they ran it up on the<BR>> ground. Homer was helping him hold it down.<BR>> <BR>> Later Homer told me there was a lot of vibration in the engine, even when<BR>> <BR>> run up to WOT and c
ruise
rpm.<BR>> <BR>> I believe it is a direct drive with no torsional vibration dampening.<BR>> <BR>> Take care,<BR>> <BR>> john h<BR>> mkIII<BR>> <BR>> <BR>> ===========<BR>> Kolb-List Email browse<BR>> Photoshare, and much href="http://www.matronics.com/Navigator?Kolb-List">http://www.matronics.com/Navigator?Kolb-List</A> <PRE><B><FONT face="courier new,courier" color=#000000 size=2>
http://www.matronics.com/Navigator?Kolb-List</A>
matronics.com</A>
</B></FONT></PRE>
<DIV> </DIV></BLOCKQUOTE><PRE><B><FONT face="courier new,courier" size=2 color000000?>
</B></FONT></PRE></BLOCKQUOTE>
<pre><b><font size=2 color="#000000" face="courier new,courier">
</b></font></pre></body></html>
Message 23
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| Subject: | Re: VW Deminstration Flights at Homecoming |
jindoguy(at)gmail.com wrote:
> Herb, et al, The perfect 1/2 VW is out there. It runs like a charm, sips gas,
and is a bolt on for a Firestar or Fire Fly. It's called the HKS700E.
>
> Rick
Ok, going to probably p*** some guys off again but.....
May as well just go with the 503 at that point. It can be installed with the B
box and the pull start, which will save a bunch of weight and will cost less by
almost half.
Even with the C box and clutch that I have on mine, it's lighter than the HKS by
a little bit, mostly because electric start isn't needed.
I don't know what all the objections are the 2 strokes. I've got almost 10 years
of flying in front of 503's and its reliability record is as good as my 912s
so far ;). Not sure why guys seem to have so much trouble with them, never had
so much as a cough out of any of my 503's and they've taken me all over the
place..
Yeah you have to do teardowns/inspections/reseals on a fairly regular basis, but
life sucks and then you die - we're mechanics anyway once we buy our airplanes
anyway. The toolset from rotax is about 1000 if you get all the extravagant
stuff such as the pin puller, circlip installation tool and all the pullers.
You can get a basic set for less than that.
But then you can do all your own work except perhaps for major stuff like reboring
cylinders and the like.
The 503 is as perfect a match for the FSII as you can get, run great, lasts a long
time, burns 3 GPH and has a bunch of gearbox/ratio options.
It ain't broke so I don't see why it needs all this fixin'.... ;)
LS
--------
LS
FS II
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=138625#138625
Message 24
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| Subject: | Re: VW Deminstration Flights at Homecoming |
Herb;
The prop hub plate did more to balance the engine than anything else.
Small flywheel added to the rear of the crankshaft and balanced with the
crankshaft may be the answer. But adding weight 90 degrees to the TDC
helps counteract the weight of both pistons moving in and out at the
same time.
A friend of mine made a 2 cylinder out of a Type II VW or Porsche 914
engine and it didn't have the same vibration characteristics.
I used a 35MM carb off of a Honda motor cycle and adapted a needle valve
in the float bowl that aligned with the main jet. This arrangement
developed the best power. I had a camshaft ground to put the power band
in the 2000 to 3000 RPM range. Static RPM was 2900.
Jim Hauck
10/7/2007 11:44:46 AM, herbgh@juno.com wrote:
> Jim
> Yep! Balancing the little hummers is an art.. something like 100 %
of
> the rotating mass and 35% of the reciprocating mass..
>
> likely never would run as smooth as most of the two cycles.. That
said...
> Very adequate if properly isolated... The Global in my Pup is running
is
> 20 year old isolators and is not well balanced..still in all..not
> tremendously worse than the 447 on my Firefly.. neat thing is the 600
rpm
> idle.. I will have it balanced . Currently the instrument panel has to
be
> isolated to try to preserve the instruments..
>
> Neat thing is to get to cruise alt and dial in the Egts..lean it out a
bit.
> .. Just be sure to richen for landing!
>
> I remember and have chatted with the fellow who headed the half vw
project
> at Team Aircraft (mini max) . He tells it as a disaster..I recall
seeing
> one hand propped at a flyin in middle tenn..I thought the engine would
> separate from the airframe..? They gave up... This back in the late
> 80's or early 90's..
>
> However... than said... Scott Casler has refined the balance process
over
> the years.(others too I guess ) (he worked with Morrey Hummel)
>
> Extra weight has to be added to the rear of the crank and the final
Message 25
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|
| Subject: | Re: VW Deminstration Flights at Homecoming |
Rick, I'd match my bored and stroked Shovelhead, "The Vibraglide", against
any engine out there for butt deadening vibration. All the joy, and bolted
solid to the frame, too. Old school for an old fool. :-)
The only thing that lessens its gyrations is when I remember to bring 5
gallons of 100LL home from the airport. And not too darn much, at that.
I laughed like mad when I saw the HD adaptation for aircraft. Did anyone
succeed in making hogs fly?
Rick
On 10/7/07, neilsenrm@comcast.net <neilsenrm@comcast.net> wrote:
>
> Talk to Steve Bennit (sp) at Great Plains he would be real up front
> with 1/2 VW issues. I never saw the engine runnig up close but it looked
> rough. I think I took a close up of it if any one is intrested but I'm not
> at home now were the photos are.
>
> As for a redrive my new drive might work on a 1/2 VW it was ourigionally
> designed to run on that V twin Genrec engine that Valley sells. That V twin
> has to be the worst harmonic monster going but? Talk to Gene Smith at
> Valley. I was told that the performance was good without it.
>
> And I agree the HKS would be a much better engine.
>
> Rick Neilsen
> Redrive VW powered MKIIIC
>
>
> -------------- Original message --------------
> From: herbgh@juno.com
> Jim
> Yep! Balancing the little hummers is an art.. something like 100 % of
> the rotating mass and 35% of the recriprocating mass..
>
> likely never would run as smooth as most of the two cycles.. That
> said...Very adequate if properly isolated... The Global in my Pup is running
> is 20 year old isolators and is not well balanced..still in all..not
> tremendously worse than the 447 on my Firefly.. neat thing is the 600 rpm
> idle.. I will have it balanced . Currently the instrument panel has to be
> isolated to try to preserve the instruments..
>
> Neat thing is to get to cruise alt and dial in the Egts..lean it out a
> bit... Just be sure to richen for landing!
>
> I remember and have chatted with the fellow who headed the half vw
> project at Team Aircraft (mini max) . He tells it as a disaster..I recall
> seeing one hand propped at a flyin in middle tenn..I thought the engine
> would separate from the airframe..? They gave up... This back in the late
> 80's or early 90's..
>
> However... than said... Scott Casler has refined the balance process
> over the years.(others too I guess ) (he worked with Morrey Hummel)
>
> Extra weight has to be added to the rear of the crank and the final
> tune is to calculate the prop hub fly wt.. Like you I am tempted to add a
> guesstimate prop hub wt. Scott says that it is peeing in the wind..
>
> Early Hummel engines were really bad I am told..
>
> The redrive problem has to do with the inherent intent of the engine
> to shake its self to pieces..Both pistons are in and out together.. The
> torsionals are severe and attemps to redrive them has lead to very early
> belt failure.. Valley Engineering who made Ricks redrive tried but failed..
> Herb
>
>
> On Sun, 7 Oct 2007 10:38:11 -0400 "Jim Hauck" <jimh474@embarqmail.com>
> writes:
>
> *Y'all;*
> **
> *1/2 VW's are almost impossible to balance. The one that I built a few
> years back was balanced by a friend of Bro John's and mine who built high
> performance engines. It liked to have drove him mad trying to balance it.*
> **
> *The vibration at WOT was not too severe, but it kept your attention.*
> **
> *I eliminated most of the top end vibration by adding a 1/4 inch thick
> steel tab on the propeller bolts 90 degrees from No 1 cylinder TDC. This tab
> was about 2 inches by 3 inches. I don't remember what the weight was now.*
> **
> *The problem of the vibration has something to do with the connecting rod
> angle to the piston and crankshaft. At least that is what I was told by an
> engineer.*
> **
> *Good little engines if they had a decent redrive on them.*
> **
> *Do not archive.*
> **
> *Jim Hauck*
> On 10/7/2007 10:16:12 AM, John Hauck (jhauck@elmore.rr.com) wrote:
> >
> >
> > > Is there any info on who this fellow is? I would like to talk to him.
> > >
> > > Jack B. Hart FF004
> >
> >
> > Jack:
> >
> > Contact Travis, at TNK. He has contact info on this gentleman. I
> believe
> >
> > he lives in the London, KY, area.
> >
> > Wish I had taken time to look at the FS w/1/2 VW more carefully.
> >
> > Homer Kolb took a good look at it. At one time they ran it up on the
> > ground. Homer was helping him hold it down.
> >
> > Later Homer told me there was a lot of vibration in the engine, even
> when
> >
> > run up to WOT and c ruise rpm.
> >
> > I believe it is a direct drive with no torsional vibration dampening.
> >
> > Take care,
> >
> > john h
> > mkIII
> >
> >
> > ==========
> > Kolb-List Email browse
> > Photoshare, and much href="http://www.matronics.com/Navigator?Kolb-List
> ">http://www.matronics.com/Navigator?Kolb-List
>
> *
> http://www.matronics.com/Navigator?Kolb-Listmatronics.com
> *
>
>
> *
>
> *
>
> *
>
>
> *
>
>
--
Rick Girard
"Ya'll drop on in"
takes on a whole new meaning
when you live at the airport.
Message 26
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| Subject: | Re: VW Deminstration Flights at Homecoming |
Lucien;
Some of us Old Farts just like to tinker and build things. Nothing wrong
with a 2 stroke nor a four stroke what ever choice fits your wagon.
Do not archive
Jim Hauck
<lstavenhagen@hotmail.com>
>
>
> jindoguy(at)gmail.com wrote:
> > Herb, et al, The perfect 1/2 VW is out there. It runs like a charm,
sips
> gas, and is a bolt on for a Firestar or Fire Fly.
> It's called the HKS700E.
>
Message 27
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| Subject: | Re: VW Deminstration Flights at Homecoming |
'cept I have about a thousand bucks in mine!!
Those I talk to with the newer HKS engines are all praise...One trike
flyer had his swapped out by the factory early on... The Japanese do
that!
little heavy for UL's however. My globals weigh 84 lbs dry.. Herb
On Sun, 7 Oct 2007 11:12:11 -0500 "Richard Girard" <jindoguy@gmail.com>
writes:
Herb, et al, The perfect 1/2 VW is out there. It runs like a charm, sips
gas, and is a bolt on for a Firestar or Fire Fly. It's called the
HKS700E.
Rick
On 10/7/07, herbgh@juno.com <herbgh@juno.com> wrote:
Jim
Yep! Balancing the little hummers is an art.. something like 100 %
of the rotating mass and 35% of the recriprocating mass..
likely never would run as smooth as most of the two cycles.. That
said...Very adequate if properly isolated... The Global in my Pup is
running is 20 year old isolators and is not well balanced..still in
all..not tremendously worse than the 447 on my Firefly.. neat thing is
the 600 rpm idle.. I will have it balanced . Currently the instrument
panel has to be isolated to try to preserve the instruments..
Neat thing is to get to cruise alt and dial in the Egts..lean it out a
bit... Just be sure to richen for landing!
I remember and have chatted with the fellow who headed the half vw
project at Team Aircraft (mini max) . He tells it as a disaster..I
recall seeing one hand propped at a flyin in middle tenn..I thought the
engine would separate from the airframe..? They gave up... This back in
the late 80's or early 90's..
However... than said... Scott Casler has refined the balance process
over the years.(others too I guess ) (he worked with Morrey Hummel)
Extra weight has to be added to the rear of the crank and the final
tune is to calculate the prop hub fly wt.. Like you I am tempted to add a
guesstimate prop hub wt. Scott says that it is peeing in the wind..
Early Hummel engines were really bad I am told..
The redrive problem has to do with the inherent intent of the engine
to shake its self to pieces..Both pistons are in and out together.. The
torsionals are severe and attemps to redrive them has lead to very early
belt failure.. Valley Engineering who made Ricks redrive tried but
failed.. Herb
On Sun, 7 Oct 2007 10:38:11 -0400 "Jim Hauck" <jimh474@embarqmail.com>
writes:
Y'all;
1/2 VW's are almost impossible to balance. The one that I built a few
years back was balanced by a friend of Bro John's and mine who built high
performance engines. It liked to have drove him mad trying to balance it.
The vibration at WOT was not too severe, but it kept your attention.
I eliminated most of the top end vibration by adding a 1/4 inch thick
steel tab on the propeller bolts 90 degrees from No 1 cylinder TDC. This
tab was about 2 inches by 3 inches. I don't remember what the weight was
now.
The problem of the vibration has something to do with the connecting rod
angle to the piston and crankshaft. At least that is what I was told by
an engineer.
Good little engines if they had a decent redrive on them.
Do not archive.
Jim Hauck
On 10/7/2007 10:16:12 AM, John Hauck (jhauck@elmore.rr.com) wrote:
>
>
> > Is there any info on who this fellow is? I would like to talk to
him.
> >
> > Jack B. Hart FF004
>
>
> Jack:
>
> Contact Travis, at TNK. He has contact info on this gentleman. I
believe
>
> he lives in the London, KY, area.
>
> Wish I had taken time to look at the FS w/1/2 VW more carefully.
>
> Homer Kolb took a good look at it. At one time they ran it up on the
> ground. Homer was helping him hold it down.
>
> Later Homer told me there was a lot of vibration in the engine, even
when
>
> run up to WOT and cruise rpm.
>
> I believe it is a direct drive with no torsional vibration dampening.
>
> Take care,
>
> john h
> mkIII
>
>
> ==========
> Kolb-List Email browse
> Photoshare, and much
href="http://www.matronics.com/Navigator?Kolb-List">
http://www.matronics.com/Navigator?Kolb-List
http://www.matronics.com/Navigator?Kolb-List
matronics.com
http://www.matronics.com/Navigator?Kolb-List
http://forums.matronics.com
when you live at the airport.
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| Subject: | Re: VW Deminstration Flights at Homecoming |
Actually, think I have seen a fly wt cast into the prop hub of GA
engines? Herb
do not archive
On Sun, 7 Oct 2007 13:01:35 -0400 "Jim Hauck" <jimh474@embarqmail.com>
writes:
Lucien;
Some of us Old Farts just like to tinker and build things. Nothing wrong
with a 2 stroke nor a four stroke what ever choice fits your wagon.
Do not archive
Jim Hauck
<lstavenhagen@hotmail.com>
>
>
> jindoguy(at)gmail.com wrote:
> > Herb, et al, The perfect 1/2 VW is out there. It runs like a charm,
sips
> gas, and is a bolt on for a Firestar or Fire Fly.
> It's called the HKS700E.
>
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Group,
Want to run a electric boost or backup pump along with my duel mikuni
pulse pump. I hear to run them parallel, slitting them before and after the
pumps but, how to do it right with a duel output pump? Ive ran them for others
in series,through the electric on to the pulse then to carbs but have heard stories
of the pulse pump not drawing through the electric and the electric over
flowing the carb bowls. electric will be used for take off and landing only.
what does the majority use?
Fly Safe ,
Wade
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=138642#138642
Message 30
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| Subject: | Re: aileron gap seal tape |
Office depot has it around 3.95
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=138643#138643
Message 31
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Many posts on this topic in Archives...look at bottom for Archives.
regards,
Bob N. FireFly 070 Old Kolb
http://www.angelfire.com/rpg/ronoy/
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Wade,
You said,"...electric will be used for take off and landing only."
The guy who I bought my FireFly from said the same thing... As I flew away I asked
myself... "Self... how far from the airport do you want to get before you
shut off the electric pump and discover the impulse pump is dead?" I fly with
both pumps, full time and use a pressure regulator (available from the usual suspects...)
to keep the pumps from overpowering the carburetor.
But that's just me.
--------
Henry
Firefly Five-Charlie-Bravo
Do Not Archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=138648#138648
Message 33
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| Subject: | Re: VW Deminstration Flights at Homecoming |
Herb, Yep, it's hard to beat a two stroke for weight, or a homebuilt for
cost. I have stuff to experiment with and stuff to fly. I've had enough of
only having experiments to fly, it always makes for more experiment and less
flying.
Rick
On 10/7/07, herbgh@juno.com <herbgh@juno.com> wrote:
>
> 'cept I have about a thousand bucks in mine!!
>
> Those I talk to with the newer HKS engines are all praise...One trike
> flyer had his swapped out by the factory early on... The Japanese do that!
>
> little heavy for UL's however. My globals weigh 84 lbs dry.. Herb
>
>
> On Sun, 7 Oct 2007 11:12:11 -0500 "Richard Girard" <jindoguy@gmail.com>
> writes:
>
> Herb, et al, The perfect 1/2 VW is out there. It runs like a charm, sips
> gas, and is a bolt on for a Firestar or Fire Fly. It's called the HKS700E.
>
> Rick
>
> On 10/7/07, herbgh@juno.com <herbgh@juno.com> wrote:
> >
> > Jim
> > Yep! Balancing the little hummers is an art.. something like 100 %
> > of the rotating mass and 35% of the recriprocating mass..
> >
> > likely never would run as smooth as most of the two cycles.. That
> > said...Very adequate if properly isolated... The Global in my Pup is running
> > is 20 year old isolators and is not well balanced..still in all..not
> > tremendously worse than the 447 on my Firefly.. neat thing is the 600 rpm
> > idle.. I will have it balanced . Currently the instrument panel has to be
> > isolated to try to preserve the instruments..
> >
> > Neat thing is to get to cruise alt and dial in the Egts..lean it out a
> > bit... Just be sure to richen for landing!
> >
> > I remember and have chatted with the fellow who headed the half vw
> > project at Team Aircraft (mini max) . He tells it as a disaster..I recall
> > seeing one hand propped at a flyin in middle tenn..I thought the engine
> > would separate from the airframe..? They gave up... This back in the late
> > 80's or early 90's..
> >
> > However... than said... Scott Casler has refined the balance process
> > over the years.(others too I guess ) (he worked with Morrey Hummel)
> >
> > Extra weight has to be added to the rear of the crank and the final
> > tune is to calculate the prop hub fly wt.. Like you I am tempted to add a
> > guesstimate prop hub wt. Scott says that it is peeing in the wind..
> >
> > Early Hummel engines were really bad I am told..
> >
> > The redrive problem has to do with the inherent intent of the engine
> > to shake its self to pieces..Both pistons are in and out together.. The
> > torsionals are severe and attemps to redrive them has lead to very early
> > belt failure.. Valley Engineering who made Ricks redrive tried but failed..
> > Herb
> >
> >
> >
> > On Sun, 7 Oct 2007 10:38:11 -0400 "Jim Hauck" <jimh474@embarqmail.com>
> > writes:
> >
> > *Y'all;*
> > **
> > *1/2 VW's are almost impossible to balance. The one that I built a few
> > years back was balanced by a friend of Bro John's and mine who built high
> > performance engines. It liked to have drove him mad trying to balance it.
> > *
> > **
> > *The vibration at WOT was not too severe, but it kept your attention.*
> > **
> > *I eliminated most of the top end vibration by adding a 1/4 inch thick
> > steel tab on the propeller bolts 90 degrees from No 1 cylinder TDC. This tab
> > was about 2 inches by 3 inches. I don't remember what the weight was now.
> > *
> > **
> > *The problem of the vibration has something to do with the connecting
> > rod angle to the piston and crankshaft. At least that is what I was told by
> > an engineer.*
> > **
> > *Good little engines if they had a decent redrive on them.*
> > **
> > *Do not archive.*
> > **
> > *Jim Hauck*
> > On 10/7/2007 10:16:12 AM, John Hauck (jhauck@elmore.rr.com) wrote:
> > >
> > >
> > > > Is there any info on who this fellow is? I would like to talk to
> > him.
> > > >
> > > > Jack B. Hart FF004
> > >
> > >
> > > Jack:
> > >
> > > Contact Travis, at TNK. He has contact info on this gentleman. I
> > believe
> > >
> > > he lives in the London, KY, area.
> > >
> > > Wish I had taken time to look at the FS w/1/2 VW more carefully.
> > >
> > > Homer Kolb took a good look at it. At one time they ran it up on the
> > > ground. Homer was helping him hold it down.
> > >
> > > Later Homer told me there was a lot of vibration in the engine, even
> > when
> > >
> > > run up to WOT and cruise rpm.
> > >
> > > I believe it is a direct drive with no torsional vibration dampening.
> > >
> > > Take care,
> > >
> > > john h
> > > mkIII
> > >
> > >
> > > ==========
> > > Kolb-List Email browse
> > > Photoshare, and much href="
> > http://www.matronics.com/Navigator?Kolb-List">http://www.matronics.com/Navigator?Kolb-List
> >
> > *
> > http://www.matronics.com/Navigator?Kolb-Listmatronics.com
> > *
> >
> >
> >
> > *
> > <http://www.matronics.com/Navigator?Kolb-List>http://www.matronics.com/Navigator?Kolb-List <http://forums.matronics.com>http://forums.matronics.com
> > when you live at the airport.
> >
> > *
> >
> > *
> > http://www.matronics.com/Navigator?Kolb-Listmatronics.com
> > *
> >
> >
>
> *
>
>
> *
>
>
--
Rick Girard
"Ya'll drop on in"
takes on a whole new meaning
when you live at the airport.
Message 34
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Wade,
The dual output is just an internal tee. You can can tie into either outlet
with your electric pump and it will feed both carbs.
Steven
----- Original Message -----
From: "Wade Lawicki" <wlawicki@yahoo.com>
Sent: Sunday, October 07, 2007 3:24 PM
Subject: Kolb-List: Fuel pumps
>
> Group,
> Want to run a electric boost or backup pump along with my duel
> mikuni pulse pump. I hear to run them parallel, slitting them before and
> after the pumps but, how to do it right with a duel output pump? Ive ran
> them for others in series,through the electric on to the pulse then to
> carbs but have heard stories of the pulse pump not drawing through the
> electric and the electric over flowing the carb bowls. electric will be
> used for take off and landing only. what does the majority use?
> Fly Safe ,
>
> Wade
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=138642#138642
>
>
>
Message 35
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| Subject: | Re: 582 stater plate any one ?? rick |
I have taken that course 3 times. I have that book and used it to get my
specs on lighting coil oam limits mine are low only .9 and seems to be over
charging the system. I smoked a wire at the connection re hooked it up and
am charging at almost 14.75 volts I will double check everything with the
help of live support from Brett from LEAF. I also try to keep good
records by writing everything down so I give the info out properly. it is only
airplane money. what is moor valuable is the Waite and balance I need to
keep with the wife. 3 hrs at the airport regardless of what i am doing costs
me 6 hrs maintained at home malcolm
Message 36
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| Subject: | Re: aileron gap seal tape |
Wade Lawicki wrote:
> Office depot has it around 3.95
I've been using the clear plastic shipping tape too, Office Depot or the local
post office has it.
I fold the ailerons under like they need to be when the wings are folded and then
apply it in sections as I make it. When I unfold the ailerons, it folds into
the gap and stays put like that. About an hours work and I have to replace them
about every 6 months. It seems to come off without pulling anything off with
the fabric, but I'm very careful anyway...
The ailerons work a lot better with the seals on...
LS
--------
LS
FS II
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=138678#138678
Message 37
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| Subject: | Re: aileron gap seal tape |
At 10:01 PM 10/7/2007, lucien wrote:
>I've been using the clear plastic shipping tape too, Office Depot or the
>local post office has it.
>
>I fold the ailerons under like they need to be when the wings are folded
>and then apply it in sections as I make it. When I unfold the ailerons, it
>folds into the gap and stays put like that...
I understand the bookbinder's tape is thicker and thus should be more durable?
The way I was told to do it was to lay two strips sticky side together,
overlapping about halfway. Sticks to the top of the wing and underside of
the aileron (or vice versa). When the aileron moves, it rolls off one side
and onto the other, so it's always fairly tight.
-Dana
--
--
"I'm a lawyer." "Honest?" "No, the usual kind."
Message 38
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| Subject: | Re: aileron gap seal tape |
In a message dated 10/7/2007 10:02:53 P.M. Eastern Daylight Time,
lstavenhagen@hotmail.com writes:
http://forums.matronics.com/viewtopic.php?p=138678#138678
Dana,
I saw several people tell you a source but did not see installation
directions. Here's the short version.
Take 2 pieces the length you need
Mate them together sticky side to sticky side leaving 1/2" not exposed on
each side
You should now have a long piece of tape double but offset by 1/2 inch
one sticky side is up and the other down.
Tape one sticky side along the top of your trailing edge and the other to
the bottom on the aileron trailing edge.
I usually tape the top first, move the aileron full down and the push the
tape down through the gap. It won"t stick on the way down because it will be
sticky on it's top edge.
I do not know how the US ailerons move so you will have to make sure that
this gives you the travel to fold. On the Firefly it allows full down to fold.
There are several ways to leave the slack you need, Ask if you need help.
Travis at TNK stocks the tape and can give you pointers.
It last a long time if not left in the Sun and can be removed with a little
heat from a hair dryer.
It is also invisible.
Steve B
Firefly 007/Floats
do not archive
Message 39
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| Subject: | Re: aileron gap seal tape |
Dana sounds like you got it,
I was typing while you posted
Steve B
Firefly 007/Floats
do not archive
Message 40
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| Subject: | Re: aileron gap seal tape |
d-m-hague(at)comcast.net wrote:
> At 10:01 PM 10/7/2007, lucien wrote:
>
> I understand the bookbinder's tape is thicker and thus should be more durable?
>
> The way I was told to do it was to lay two strips sticky side together,
> overlapping about halfway. Sticks to the top of the wing and underside of
> the aileron (or vice versa). When the aileron moves, it rolls off one side
> and onto the other, so it's always fairly tight.
>
>
The shipping tape works fine too, I've never been able to find the book binding
tape but the shipping tape is everywhere.
The way I make them is to lay two strips side-by-side gummy-side up. Then lay a
strip gummy-side down down the center. This gives a strip 2 times the width of
the tape with sticky strips on each side. I apply the strip to the top of the
trailing edge of wing/leading edge of aileron, and the center part folds into
the gap when I move the aileron into position.
The strips are 2x the thickness of the tape, so thinner tape still gives a pretty
durable strip. Easier to remove too since the sticky parts are both on top
of the wing/aileron...
LS
--------
LS
FS II
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=138697#138697
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| Subject: | Re: 582 stater plate any one ?? rick |
Oh good. I picked up some kind of bug for my birthday and have just felt
like crud all day long. Was afraid if I went down stairs to look for the
scanner, I'd have just had to move down there.Did get a good start on the
EAA chapters November newsletter, though. Gotta get well, good flying
weather coming Tuesday according to the guessers.
Rick
On 10/7/07, Malcolmbru@aol.com <Malcolmbru@aol.com> wrote:
>
> I have taken that course 3 times. I have that book and used it to get my
> specs on lighting coil oam limits mine are low only .9 anod seems to be
> over charging the system. I smoked a wire at the connection re hooked it
> up and am charging at almost 14.75 volts I will double check everything
> with the help of live support from Brett from LEAF. I also try to keep
> good records by writing everything down so I give the info out properly. it
> is only airplane money. what is moor valuable is the Waite and balance I
> need to keep with the wife. 3 hrs at the airport regardless of what i am
> doing costs me 6 hrs maintained at home malcolm
>
>
> ------------------------------
>
> *
>
>
> *
>
>
--
Rick Girard
"Ya'll drop on in"
takes on a whole new meaning
when you live at the airport.
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