Today's Message Index:
----------------------
1. 12:12 AM - Why Do I Have A Fund Raiser Each Year? (Matt Dralle)
2. 12:49 AM - Re: 912 in a Kolb.....in the UK...?? (Carl Trollope)
3. 04:02 AM - Re: My Mark III, not a crash (N27SB@AOL.COM)
4. 04:47 AM - L-brackets (Ralph)
5. 05:34 AM - Re: Mark III Crash (ghaley@wt.net)
6. 05:47 AM - Re: Why Do I Have A Fund Raiser Each Year? (ghaley@wt.net)
7. 06:34 AM - Re: Web Pages (Larry Bourne)
8. 06:45 AM - Re: Web Pages (russ kinne)
9. 06:51 AM - q (russ kinne)
10. 06:52 AM - hub distance (robert bean)
11. 08:14 AM - Re: hub distance (Richard & Martha Neilsen)
12. 08:44 AM - Re: hub distance (Richard Pike)
13. 10:12 AM - Re: MKIII Xtra Speeds (pat ladd)
14. 10:49 AM - Re: Re: 912 in a Kolb.....in the UK...?? (pat ladd)
15. 11:54 AM - Re: Rotax vs Jabiru (Richard & Martha Neilsen)
16. 12:00 PM - Re: MKIII Xtra Speeds (Denny Rowe)
17. 12:06 PM - Re: hub distance (Denny Rowe)
18. 12:13 PM - Re: MKIII Xtra Speeds/MKIIIc Speeds (Silver Fern Microlights Ltd)
19. 12:14 PM - Affordable Engines (John Hauck)
20. 12:18 PM - Re: hub distance (John Hauck)
21. 12:59 PM - Re: Re: 912 in a Kolb.....in the UK...?? (Silver Fern Microlights Ltd)
22. 01:19 PM - Re: Aero Vee Engine Kit/Comparing 912 and Jabiru (Silver Fern Microlights Ltd)
23. 01:34 PM - Re: My Mark III, not a crash (N27SB@aol.com)
24. 01:42 PM - Re: Affordable Engines (Mitty)
25. 01:53 PM - remove (C97Echo@aol.com)
26. 03:22 PM - Re: MKIII Xtra Speeds/MKIIIc Speeds (Don Gherardini)
27. 03:48 PM - Re: Aero Vee Engine Kit/Comparing 912 and Jabiru (John Hauck)
28. 03:49 PM - Skip Staub's Ceremony (Beauford)
29. 03:54 PM - Re: My Mark III, not a crash/Forward Horizontal Stabilizer Attachment (John Hauck)
30. 04:08 PM - Re: MKIII Xtra Speeds/MKIIIc Speeds/Fire Fly Speeds (John Hauck)
31. 05:48 PM - Re: My Mark III, not a crash/Forward Horizontal Stabilizer Attachm... (N27SB@aol.com)
32. 05:59 PM - Re: My Mark III, not a crash/Forward Horizontal Stabilizer Attachm... (John Hauck)
33. 06:08 PM - Re: My Mark III, not a crash/Forward Horizontal Stabilizer Attachm... (N27SB@aol.com)
34. 06:47 PM - Re: My Mark III, not a crash/Forward Horizontal Stabilizer Attachment (Richard & Martha Neilsen)
35. 06:49 PM - Re: My Mark III, not a crash/Forward Horizontal Stabilizer Attachm... (roger lee)
36. 08:37 PM - Re: q (jerb)
Message 1
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| Subject: | Why Do I Have A Fund Raiser Each Year? |
--> Kolb-List message posted by: Matt Dralle <dralle@matronics.com>
Dear Listers,
I was thinking that perhaps I should explain why I have a Fund Raiser
and also take the opportunity to express why I think the List
Services here provide a better experience than the commercial equivalents.
I use the List Fund Raiser each year to offset the costs involved
with running a high performance email list site such as this
one. With the annual support from the List members through the
PBS-like Fund Raiser, I have found I can run the entire site without
having to inflect any of the members with those annoying banner ads
flashing up all the time trying to sell Toner Cartridge Refills or
other garbage nobody wants or needs. From the comments I've received
over the years regarding the Lists, the great majority of the members
really appreciate the non-commercialism of my List systems and don't
mind my 'go-team-go' banter once a year to encourage members to
support the Lists.
I believe that the Lists services that I provide here offer many
benefits over the commercial equivalents in a number of ways. The
first feature I believe to be particularly significant is that you
cannot receive a computer v*rus from any of these Lists
directly. I've been on a few other List servers and have been
unfortunate enough to download infected files people have innocently
or not-so-innocently included with their posts. This just can't
happen with the Matronics Lists; each incoming message is filtered
and dangerous attachments stripped off prior to posting. I provide a
Photo and File Share feature that allows members to share files and
bitmaps with other members and everyone can be assured that these
files will be prescanned for any sort of v*rus before they are
posted. Safe and simple. Also, with this photo and file sharing
technique, the Archives don't get loaded up with a huge amounts of
bitmap "data" that slows the Archive Search times.
Another feature of this system is the extensive List Archives that
are available for download, browsing, and searching. The Archives go
all the way back to the very beginning of each List and with the
super fast Search Engine, the huge size of the Archives is a
non-issue in quickly finding the data you're looking for. Another
feature of the Archives is that they have been primarily stripped of
all the useless email header garbage that seems to build up in a
typical email thread.
I've been running email Lists and services under the matronics.com
domain since about 1989 starting with RV-List and 30 guys I knew and
who where also building RVs. It has grown into well over 50
different aviation-related Email Lists and an associated web site
that receives over 17,000,000 hits each year!! Additionally, the
List email system forwards well over 32,000,000 (yes, that's 32
MILLION) email messages to subscribers each year! With all the
dot.bombs these days, I think there's a lot of value in supporting a
service that has gone the long haul and is still providing and
improving a high quality service all without any advertising budget!
I have to admit running these Lists is a labor of love and I hope it
shows in the quality of the experience that you receive when you get
a List Email Message, Search the Archives, or use the List
Browser. The Lists will be here for a long time to come. If you
just want to lurk a while for free, that's great and I encourage you
to do so. If you use, appreciate, and receive value from these
Lists, then please support them during the Annual List Fund Raiser!
The Secure Contribution Web Site:
http://www.matronics.com/contribution
Thank you,
Matt Dralle
Email List Administrator
Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551
925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email
http://www.matronics.com/ WWW | Featuring Products For Aircraft
do not archive
Message 2
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| Subject: | RE: 912 in a Kolb.....in the UK...?? |
--> Kolb-List message posted by: "Carl Trollope" <flash_too@yahoo.co.uk>
....yeah if you want a group A aircraft....!!
Heard a rumour that the Jab Xtra is overweight so how can Mick use the
912....??
Do not archive
Message 3
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| Subject: | Re: My Mark III, not a crash |
--> Kolb-List message posted by: N27SB@aol.com
In a message dated 11/17/2005 12:34:04 A.M. Eastern Standard Time,
ssadiver1@yahoo.com writes:
What broke was the stainless "L" bracket on the front inside edge of the
horizontal stabilizer that allows the stabilizer to fold up. Looking at this I
can see why it failed. It is kept slightly loose so you can fold the
stabilizer up. This allows this to have some amount, ever so slight, of vibration
as
you fly. This caused, over time, metal fatigue on the "L" brackets. When I
checked the other side I used a magnifying glass and found another crack.
I would highly recommend that these stainless "L" brackets be changed at 250
hrs. and I would recommend putting in place a second horizontal stabilizer
wire forward of the first. I learned this from J. Hauck, but did not put mine
in place in time. My error. If I had put a second stabilizer wire in front of
the first (top and bottom) it would have prevented the horizontal stabilizer
from flying up. I am also going to add a second "L" bracket some where
between 8"-10" behind the other. My Kolb will then be double wire braced and and
have double "L" brackets. I never fold my plane up so I will also keep these
bolts at the "L" bracket tight which will help with the minute vibration.
To All, Question, I thought that since the trailing edge of the
horizontal stab. moved up and down slightly with elevator changes that it was
important to keep the forward joint at the L brackets loose. If you tightened
it as
suggested above would it not suffer from fatigue over time?
Steve Boetto
Firefly on Floats and Seabase Builder
Message 4
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--> Kolb-List message posted by: "Ralph" <ul15rhb@juno.com>
Hi Gang,
The tail folding L-brackets are made of aluminum on the Original Firestar and there
has never been a problem with any cracking on them. A few years back, the
tail wires were loose and I could see the stabilizer moving in flight. I have
replaced them and the tail is solid.
Ralph
Original Firestar
18 years flying it
-- roger lee <ssadiver1@yahoo.com> wrote:
--> Kolb-List message posted by: roger lee <ssadiver1@yahoo.com>
Hi All,
Just to put the rumors to rest. It was my Mark III Classic, 912s with 545 hrs
TT.
On take off and on downwind the passenger side horizontal stabilizer bracket
broke and the stabilizer went straight up and stayed there. It was a little hard
to control, but made a safe landing. Had to call NTSB because it was an in
flight control failure. What broke was the stainless "L" bracket on the front
inside edge of the horizontal stabilizer that allows the stabilizer to fold up.
Looking at this I can see why it failed. It is kept slightly loose so you can
fold the stabilizer up. This allows this to have some amount, ever so slight,
of vibration as you fly. This caused, over time, metal fatigue on the "L" brackets.
When I checked the other side I used a magnifying glass and found another
crack.
I would highly recommend that these stainless "L" brackets be changed at 250
hrs. and I would recommend putting in place a second horizontal stabilizer wire
forward of the first. I learned this from J. Hauck, but did not put mine in
place in time. My error. If I had put a second stabilizer wire in front of the
first (top and bottom) it would have prevented the horizontal stabilizer from
flying up. I am also going to add a second "L" bracket some where between 8"-10"
behind the other. My Kolb will then be double wire braced and and have double
"L" brackets. I never fold my plane up so I will also keep these bolts at
the "L" bracket tight which will help with the minute vibration. I am also going
to use turn buckles like J. Hauck instead of adjustable tangs to dial in my
cable tightness.
The NTSB may have suggestions to Kolb, I'm not sure what they will do?
Roger Lee
Tucson, Az.
(520) 574-1080
---------------------------------
Try Juno Platinum for Free! Then, only $9.95/month!
Visit http://www.juno.com/value to sign up today!
Message 5
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| Subject: | Re: Mark III Crash |
--> Kolb-List message posted by: ghaley@wt.net
Rodger,
Glad to hear you got it down safely. I have wanted to thank you ever since
Monument Valley for the steak dinner but I misplaced your info. My wife and I
both enjoyed your company and hospitility. Thanks.
See you at Monument Valley 2006 if not before.
Gary & Beneta Haley
Dry Creek Airport (TS07)
Cypress, TX
Quoting roger lee <ssadiver1@yahoo.com>:
> --> Kolb-List message posted by: roger lee <ssadiver1@yahoo.com>
>
> That was me.
>
> Roger Lee
>
>
>
> ghaley@wt.net wrote: --> Kolb-List message posted by: ghaley@wt.net
>
> Was he at Monument Valley pulling a trailer with a four wheeler in back?
>
> Gary H.
>
>
> Quoting Kolbdriver :
>
> > --> Kolb-List message posted by: "Kolbdriver"
> >
> > Here's a little more info:
> >
> > N-number : N515AB
> > Aircraft Serial Number : 101553
> > Aircraft Manufacturer : LEE ROGER
> > Model : MARK III CLASSIC
> > Aircraft Year :
> > Owner Name : LEE ROGER W
> > Owner Address : 9531 E LOCHNAY LN
> > TUCSON, AZ, 85747-9283
> > Type of Owner : Partnership
> > Registration Date : 15-Sep-2005
> > Airworthiness Certificate Type : Not Specified
> >
> > Do not archive
> > ----- Original Message -----
> > From: "James Tripp"
> > To: "Kolb-List@Matronics.Com"
> > Subject: Kolb-List: Mark III Crash
> >
> >
> > > --> Kolb-List message posted by: "James Tripp"
> > >
> > > Hey Listers,
> > >
> > > Does anyone know anything about the Mark III crash over the weekend
> listed
> > > below? I'm not sure if this is even a Kolb or not as there could be more
> > > than one brand of Mark III.
> > >
> > >
> > > James Tripp
> > >
> > > FSII, Millbrook AL
> > >
> > >
> > > DO NOT ARCHIVE
> > >
> > >
> > > IDENTIFICATION
> > > Regis#: 515AB Make/Model: MARK Description: MARK III CLASSIC
> > > Date: 11/04/2005 Time: 1530
> > >
> > > Event Type: Accident Highest Injury: None Mid Air: N Missing: N
> > > Damage: Substantial
> > >
> > > LOCATION
> > > City: TUCSON State: AZ Country: US
> > >
> > > DESCRIPTION
> > > ACFT SUSTAINED SUBSTANTIAL DAMAGE DUE TO A POSSIBLE IN-FLIGHT STRUCTURAL
> > > FAILURE OF THE LEFT HORIZONTAL STABILIZER BRACKET WHILE ON DOWNWIND TO
> > > AIRPORT, TUCSON, AZ
> > >
> > >
> >
> >
> >
> >
> >
> >
> >
>
>
>
> ---------------------------------
>
>
>
>
>
>
>
Message 6
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| Subject: | Re: Why Do I Have A Fund Raiser Each Year? |
--> Kolb-List message posted by: ghaley@wt.net
Kolb Group.
I inadvertenly did not add "Do Not Archive" to my last and about the only post
I did this year.
Sorry for adding to the clutter in the Archives.
Matt, thanks for all you do.
Gary H.
Do Not Archive
Quoting Matt Dralle <dralle@matronics.com>:
> --> Kolb-List message posted by: Matt Dralle <dralle@matronics.com>
>
>
> Dear Listers,
>
> I was thinking that perhaps I should explain why I have a Fund Raiser
> and also take the opportunity to express why I think the List
> Services here provide a better experience than the commercial equivalents.
>
> I use the List Fund Raiser each year to offset the costs involved
> with running a high performance email list site such as this
> one. With the annual support from the List members through the
> PBS-like Fund Raiser, I have found I can run the entire site without
> having to inflect any of the members with those annoying banner ads
> flashing up all the time trying to sell Toner Cartridge Refills or
> other garbage nobody wants or needs. From the comments I've received
> over the years regarding the Lists, the great majority of the members
> really appreciate the non-commercialism of my List systems and don't
> mind my 'go-team-go' banter once a year to encourage members to
> support the Lists.
>
> I believe that the Lists services that I provide here offer many
> benefits over the commercial equivalents in a number of ways. The
> first feature I believe to be particularly significant is that you
> cannot receive a computer v*rus from any of these Lists
> directly. I've been on a few other List servers and have been
> unfortunate enough to download infected files people have innocently
> or not-so-innocently included with their posts. This just can't
> happen with the Matronics Lists; each incoming message is filtered
> and dangerous attachments stripped off prior to posting. I provide a
> Photo and File Share feature that allows members to share files and
> bitmaps with other members and everyone can be assured that these
> files will be prescanned for any sort of v*rus before they are
> posted. Safe and simple. Also, with this photo and file sharing
> technique, the Archives don't get loaded up with a huge amounts of
> bitmap "data" that slows the Archive Search times.
>
> Another feature of this system is the extensive List Archives that
> are available for download, browsing, and searching. The Archives go
> all the way back to the very beginning of each List and with the
> super fast Search Engine, the huge size of the Archives is a
> non-issue in quickly finding the data you're looking for. Another
> feature of the Archives is that they have been primarily stripped of
> all the useless email header garbage that seems to build up in a
> typical email thread.
>
> I've been running email Lists and services under the matronics.com
> domain since about 1989 starting with RV-List and 30 guys I knew and
> who where also building RVs. It has grown into well over 50
> different aviation-related Email Lists and an associated web site
> that receives over 17,000,000 hits each year!! Additionally, the
> List email system forwards well over 32,000,000 (yes, that's 32
> MILLION) email messages to subscribers each year! With all the
> dot.bombs these days, I think there's a lot of value in supporting a
> service that has gone the long haul and is still providing and
> improving a high quality service all without any advertising budget!
>
> I have to admit running these Lists is a labor of love and I hope it
> shows in the quality of the experience that you receive when you get
> a List Email Message, Search the Archives, or use the List
> Browser. The Lists will be here for a long time to come. If you
> just want to lurk a while for free, that's great and I encourage you
> to do so. If you use, appreciate, and receive value from these
> Lists, then please support them during the Annual List Fund Raiser!
>
> The Secure Contribution Web Site:
>
> http://www.matronics.com/contribution
>
> Thank you,
>
> Matt Dralle
> Email List Administrator
>
>
> Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551
> 925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email
> http://www.matronics.com/ WWW | Featuring Products For Aircraft
> do not archive
>
>
>
>
>
>
>
Message 7
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--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
I am very sorry. I looked at that and thought I was replying directly to
Russ. Never even thought of checking the address. Once again, I'm sorry
for the boo-boo. Lar. Do not
Archive.
Larry Bourne
Palm Springs, CA
Building Kolb Mk III
N78LB Vamoose
www.gogittum.com
----- Original Message -----
From: "Larry Bourne" <biglar@gogittum.com>
Subject: Re: Kolb-List: Web Pages
> --> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
> Seriously, I'm glad you enjoyed the pics. I sure enjoyed my visit there,
> and plan on it again as soon as I can get the time off work. Wait till
> you
> see the pages on Vacation 2005 in a few weeks.
> Larry Bourne
> Palm Springs, CA
> Building Kolb Mk III
> N78LB Vamoose
> www.gogittum.com
>
> ----- Original Message -----
> From: "russ kinne" <kinnepix@earthlink.net>
> To: <kolb-list@matronics.com>
> Subject: Re: Kolb-List: Web Pages
>
>
>> --> Kolb-List message posted by: russ kinne <kinnepix@earthlink.net>
>>
>> BigLar
>> Enjoyed your pix of the Okefenokee -- and glad to see you caught your
Message 8
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--> Kolb-List message posted by: russ kinne <kinnepix@earthlink.net>
LAR
I did the same thing! Mebbe someday I'll get the hang of these
confusers --
LA meetings went well. Not my type of country, nor people, but OK for a
visit.
DNA
On Nov 17, 2005, at 9:33 AM, Larry Bourne wrote:
> --> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
>
> I am very sorry. I looked at that and thought I was replying directly
> to
> Russ. Never even thought of checking the address. Once again, I'm
> sorry
> for the boo-boo. Lar. Do not
> Archive.
>
> Larry Bourne
> Palm Springs, CA
> Building Kolb Mk III
> N78LB Vamoose
> www.gogittum.com
>
> ----- Original Message -----
> From: "Larry Bourne" <biglar@gogittum.com>
> To: <kolb-list@matronics.com>
> Subject: Re: Kolb-List: Web Pages
>
>
>> --> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
>
>
>> Seriously, I'm glad you enjoyed the pics. I sure enjoyed my visit
>> there,
>> and plan on it again as soon as I can get the time off work. Wait
>> till
>> you
>> see the pages on Vacation 2005 in a few weeks.
>
>> Larry Bourne
>> Palm Springs, CA
>> Building Kolb Mk III
>> N78LB Vamoose
>> www.gogittum.com
>>
>> ----- Original Message -----
>> From: "russ kinne" <kinnepix@earthlink.net>
>> To: <kolb-list@matronics.com>
>> Subject: Re: Kolb-List: Web Pages
>>
>>
>>> --> Kolb-List message posted by: russ kinne <kinnepix@earthlink.net>
>>>
>>> BigLar
>>> Enjoyed your pix of the Okefenokee -- and glad to see you caught your
>
>
Message 9
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--> Kolb-List message posted by: russ kinne <kinnepix@earthlink.net>
Matt
I, for one, appreciate your efforts to get, and keep, the List running
smoothly. And while writing "do not archive" shouldn't be a great
chore, it IS 14 keystrokes to send a message that could be done in
one or two.
Why NOT shorten it? Many of us are two-finger, peck-and-curse typists
and would welcome any simplifying
Russ Kinne
Message 10
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--> Kolb-List message posted by: robert bean <slyck@frontiernet.net>
As a reference for those curious for comparisons to their own
installation, could one example of each engine type on a MkIII
submit their measured distance from prop hub center to
the top of the boom tube?
the raven/suzuki is 37"
someone can archive a summary when all are in.
-BB do not archive
Message 11
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| Subject: | Re: hub distance |
--> Kolb-List message posted by: "Richard & Martha Neilsen" <NeilsenRM05@comcast.net>
Bob
My MKIIIc with the current VW engine and mount is also 37", with the old
engine mount and direct drive VW it was 37", when I added the reduction
drive with the old engine mount it was 42".
When I had the prop center at 42" it was flyable but It made it more
challenging. When took off I had to add power slowly. Pitch changes with
power changes were dramatic. Two aboard takeoffs were at higher speeds with
reduced power. Aborted landings with a go around and two aboard was not
recommended.
Rick Neilsen
Redrive VW powered MKIIIc
----- Original Message -----
From: "robert bean" <slyck@frontiernet.net>
Subject: Kolb-List: hub distance
> --> Kolb-List message posted by: robert bean <slyck@frontiernet.net>
>
> As a reference for those curious for comparisons to their own
> installation, could one example of each engine type on a MkIII
> submit their measured distance from prop hub center to
> the top of the boom tube?
> the raven/suzuki is 37"
> someone can archive a summary when all are in.
> -BB do not archive
>
>
>
Message 12
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| Subject: | Re: hub distance |
--> Kolb-List message posted by: Richard Pike <richard@bcchapel.org>
582, B box, 1" mount extensions for more prop clearance = 36" distance.
Richard Pike
MKIII N420P (420ldPoops)
At 09:52 AM 11/17/05 -0500, you wrote:
>--> Kolb-List message posted by: robert bean <slyck@frontiernet.net>
>
>As a reference for those curious for comparisons to their own
>installation, could one example of each engine type on a MkIII
>submit their measured distance from prop hub center to
>the top of the boom tube?
>the raven/suzuki is 37"
>someone can archive a summary when all are in.
>-BB do not archive
>
>
Message 13
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| Subject: | Re: MKIII Xtra Speeds |
--> Kolb-List message posted by: "pat ladd" <pj.ladd@btinternet.com>
I hope to hang a 2200 on my bird, but for now I have kids to raise. >.
C`mon Denny, sort out your priorities....
Pat
do n*t archive
--
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Message 14
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| Subject: | Re: RE: 912 in a Kolb.....in the UK...?? |
--> Kolb-List message posted by: "pat ladd" <pj.ladd@btinternet.com>
a rumour that the Jab Xtra is overweight >>
Nahhhhh!
well just a bit. The extra weight allowed by fitting the Vortex Governors
has come into play and this will just squeak it by. I hope.
Mick has talked to PFA and argued that sure there was an error in weighing
his but now that the proper weighing has been done and the plane was tested
by the PFA AT THAT WEIGHT there is no reason that the weight limit should
not be raised to that figure. It is still firmly in the microlight category.
How he knows about the 912 etc I do not want to know.
Roll on the NEC and I can look at other planes which I perhaps should have
ordered. Must n`t think like that. It will be alright. It will be alright It
will be alright.........
Pat
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Message 15
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| Subject: | Re: Rotax vs Jabiru |
--> Kolb-List message posted by: "Richard & Martha Neilsen" <NeilsenRM05@comcast.net>
Sorry I guess I started this....well maybe not.
When I was flying my direct drive VW I was in denial. When you spend allot
on money and put allot of effort into some thing you tend to defend it even
if it isn't as good as it should be. The direct drive VW which Jabaru was
designed from is a higher RPM engine than the Jabaru. The VW likes to cruise
at 3000-3400 and lets call it 5 min power in the 3600-3800 range. Granted at
least one is planning to cruise his redrive VW at 4000..... well I hope that
all works out The Jabaru, according to Mike, appears to cruise in the
2600 -2800 range with its max around 3100. These RPMs are quite a bit lower
than the VW and likely account for better performance than I had with my
direct drive engine. This doesn't mean that the Jabaru is running at a RPM
that works best on a low speed high drag big Kolb. These planes are designed
to be STOL airplanes and need a prop at least 70 inches turning around
2000-2100 RPM. If you put a low thrust engine on one you are missing some of
the fun flying one. Once I came to grips with my mistake and put a high
thrust engine on my airplane I realized what I was missing. I no longer have
to be concerned with things like not being able to take off from a short
field I have landed at. There are many other benefits which I will not get
into now but my plane seemed to came alive with more thrust.
It is truly sad that Rotax has the market sown up with their line of engines
allowing them get the price they get. If I had the budget of Rotax or Jabiru
I would surely blow the doors off the market with VW based engines. The low
cost racing quality parts that are available are unmatched in any other
engine. I'm still trying to refine my engine so that it will get closer to
the reliability of a Jabiru and maybe even to the level of a 912 series. If
someone would produce a engine similar to the 912 or fashion a redrive for a
Jabiru we might the benefit of at least some completive pricing. For now I
will continue refining redrive VWs and will be happy to help anyone else
that wants to join in.
Rick Neilsen
Redrive VW powered MKIIIc
----- Original Message -----
From: "pat ladd" <pj.ladd@btinternet.com>
Subject: Re: Kolb-List: MKIII Xtra Speeds
> --> Kolb-List message posted by: "pat ladd" <pj.ladd@btinternet.com>
>
> I hope to hang a 2200 on my bird, but for now I have kids to raise. >.
>
> C`mon Denny, sort out your priorities....
>
> Pat
>
> do n*t archive
>
>
> --
> Checked by AVG Free Edition.
>
>
>
Message 16
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| Subject: | Re: MKIII Xtra Speeds |
--> Kolb-List message posted by: "Denny Rowe" <rowedl@highstream.net>
Well since you put it that way Pat.
My kids do like to fly with me, and a 2200 would surely be considered more
reliable than my 690L, and we wouldn't want to put the little ones in any
more danger than nessesary so it only makes sense to drop the $12 grand on
the new engine, after all, ITS FOR THE KIDS!
Thats funny, it always works for the politicians, but Linda doen't want to
hear it. :-(
Oh well, back to work midnight tonight.
Denny "still two stroking" Rowe
Please do n*t archive
----- Original Message -----
From: "pat ladd" <pj.ladd@btinternet.com>
Subject: Re: Kolb-List: MKIII Xtra Speeds
> --> Kolb-List message posted by: "pat ladd" <pj.ladd@btinternet.com>
>
> I hope to hang a 2200 on my bird, but for now I have kids to raise. >.
>
> C`mon Denny, sort out your priorities....
>
> Pat
>
> do n*t archive
>
>
> --
> Checked by AVG Free Edition.
>
>
> --
> Checked by AVG Free Edition.
>
>
Message 17
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| Subject: | Re: hub distance |
--> Kolb-List message posted by: "Denny Rowe" <rowedl@highstream.net>
Bob,
Mine is 35.5 inches with a 2SI 690L-70 and engine mount and riser blocks of
my own design.
Plenty of boom clearance with a 68 inch Powerfin prop.
Denny Rowe, Mk-3
----- Original Message -----
From: "robert bean" <slyck@frontiernet.net>
Subject: Kolb-List: hub distance
> --> Kolb-List message posted by: robert bean <slyck@frontiernet.net>
>
> As a reference for those curious for comparisons to their own
> installation, could one example of each engine type on a MkIII
> submit their measured distance from prop hub center to
> the top of the boom tube?
> the raven/suzuki is 37"
> someone can archive a summary when all are in.
> -BB do not archive
>
>
> --
> Checked by AVG Free Edition.
>
>
Message 18
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| Subject: | Re: MKIII Xtra Speeds/MKIIIc Speeds |
--> Kolb-List message posted by: "Silver Fern Microlights Ltd" <kiwimick@sfmicro.fsnet.co.uk>
John I would agree, 75-85 feels best in mine too.
Mike
do not archive
----- Original Message -----
From: "John Hauck" <jhauck@elmore.rr.com>
Subject: Re: Kolb-List: MKIII Xtra Speeds/MKIIIc Speeds
> --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
>
> is quite
> full
>
> Hi Mike/Gang:
>
> My MKIII flies 90 mph (78 kts) at 5,200 rpm. That's calibrated
> airspeed.
>
> However, it is an 85 mph airplane, no matter what it is powered with,
> 582, 912, 912S.
>
> 5,500 rpm is 95 mph and very uncomfortable.
>
> Again, the best speed for my airplane is 85 mph. Anything over 90 mph
> and you are wasting hp.
>
> john h
>
>
>
>
>
>
>
Message 19
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| Subject: | Affordable Engines |
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
want to
| hear it. :-(
| Oh well, back to work midnight tonight.
|
| Denny "still two stroking" Rowe
Denny/Gang:
Most all of us, especially from the early days, started out with
little 2 stroke engines that were pretty reliable, as long as they
continued to make noise. Sometimes all day without an engine failure
was a plus.
I understand what it is like to have priorities far greater than a
homebuilt airplane for a hobby. Believe me, if I could change the
difference in age between you and me, I would gladly trade you "even
Steven" my engine for yours. However, we can't make that happen, so
I'll continue to fly with my well used 912ULS. I was 55 years old
when I finally got to fly with my first 912, ten years after my first
Cuyuna powered Ultrastar.
Hang in there. It'll happen before you know it. A little patience
will pay off in the end.
Take care,
john h
MKIII/912ULS
Titus, Alabama
DO NOT ARCHIVE
Message 20
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| Subject: | Re: hub distance |
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
BB/Gang:
I am guessing at mine. I have about 3/4" clearance from the tip of a
72" prop. Reckon that comes out to about 36.75" from tailboom to
center of prop and thrust line. I want my thrust line as low as I can
get it without sacrificing the chance of a blade strike on the
tailboom. My airplane has been thoroughly tested in many weather and
terrain (landing) conditions without blade strike on tailboom.
john h
MKIII/912ULS
Message 21
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| Subject: | Re: RE: 912 in a Kolb.....in the UK...?? |
--> Kolb-List message posted by: "Silver Fern Microlights Ltd" <kiwimick@sfmicro.fsnet.co.uk>
Hi Carl,
Got your facts wrong i'm afraid, no issue with Xtra weights that I am aware
of, The 2 I have built are well within the max empty weight of 249 kg and as
are 2 others that have been built by customers and weighed by their
inspectors.
There is one however which was NOT BUILT AS PER THE MANUAL for uk versions,
it had many non approved mods, very very pretty paintwork. when all the non
standard items were removed etc, guess what?, it too was below 249 kg!!.
Don't know what group A has got to do with anything.
Also have had the calcs done for the PFA and it would be just possible for
the 912 microlight at the current max weight if great care was taken and
VG's were fitted.
Have just recently had one of the CAA test pilots up to do some testing on
the XTRA, and with the VG's fitted the stall speed was within the limit at
450KG which is why the PFA is looking at a weight increase for us.
Oh and the PFA even asked if we would be able to fit Jabs to the existing
Classic's which are running 582 engines and suggested a weight increase for
them to allow for this, just another thing we are working on for the UK
fleet.
Mike
do not archive
----- Original Message -----
From: "Carl Trollope" <flash_too@yahoo.co.uk>
Subject: Kolb-List: RE: 912 in a Kolb.....in the UK...??
> --> Kolb-List message posted by: "Carl Trollope" <flash_too@yahoo.co.uk>
>
> ...yeah if you want a group A aircraft....!!
>
> Heard a rumour that the Jab Xtra is overweight so how can Mick use the
> 912....??
>
> Do not archive
>
>
>
Message 22
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| Subject: | Re: Aero Vee Engine Kit/Comparing 912 and Jabiru |
--> Kolb-List message posted by: "Silver Fern Microlights Ltd" <kiwimick@sfmicro.fsnet.co.uk>
John/All
The 912 I feel would be better at high alt is due to the dual carbs and
mainly to the better efficiency of the reduction drive.
Denny summed it up well.
I sure do not have the seat time in Kolbs that you do, only around 300
however I have approx 7000 hrs in microlight aircraft of many types, a lot
of those are instructional.
It is not just down to HP but torque and prop.
The P-Tip of 62" has the efficiency of a 64-66" standard prop.
I also know that one of my school aircraft has a 912 and it seems to be
stronger at high alt and the other one has a two stroke and is happy as long
as I keep pouring fuel down it's throat.
Mike
do not archive
----- Original Message -----
From: "John Hauck" <jhauck@elmore.rr.com>
Subject: Re: Kolb-List: Aero Vee Engine Kit/Comparing 912 and Jabiru
> --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
>
>
> Hi Mike/Gang:
>
>
> This is good to hear. Jabiru must have made significant improvements
> over their old dual distributor ignition system. The old engine that
> did not see rain, but lots of fog kept it from firing.
>
>
> she was
> The 912
>
> Why do you think the 912 would do better than your engine at higher
> altitudes? Seems if your MKIIIx is faster in all parameters than the
> MKIIIc with 912, then it would also surpass the 912 at altitude.
>
> just no
> how big
>
> All of aviation, especially experimental/homebuilt and ultralight,
> comes down to how big your wallet is and personal preference. Would
> be very interesting to see a unbiased test between Kolbs powered with
> Jab and 912. I have about 2,300 hours of 912 time in my MKIII longer
> than you have Jab time in your Xtra, which may give me a little edge
> on knowing what I am flying a little better after all these hours. I
> admit again, I have no personal experience flying a Kolb with Jab
> power, but have flown many hours with my buddy and his Jab powered
> Kolbra. I do not see how an additional 10 hp flying a direct drive 62
> inch two blade prop is going to make that much difference in
> performance. The gear box makes the difference on our Kolbs. Ask
> Rick Neilsen what performance changes he saw after flying direct drive
> and switching to a reduction system.
>
> john h
> MKIII/912ULS
>
>
>
Message 23
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| Subject: | Re: My Mark III, not a crash |
--> Kolb-List message posted by: N27SB@aol.com
In a message dated 11/16/05 11:34:04 PM Central Standard Time,
ssadiver1@yahoo.com writes:
> I never fold my plane up so I will also keep these bolts at the "L" bracket
> tight which will help with the minute vibration.
To All, Sorry to beat this up but I think that this is serious.
I Talked to Bryan Melborn today in regard to this type of fatigue. Bryan has
done dozens of inspections over the years on the L brackets and in every case
were he found cracking at the L bracket junction it was tight or binding. The
crack can and usually does occur under the fabric at the first rivet. The
horizontal stab. moves fore and aft as the elevator goes up and down. It also
slightly tilts. Bryan suggested that anyone that has a question in regard to this
issue should call him on the Kolb Hotline which is 606 682 3388.
BTW, Bryan sends HIGH marks to Roger for an amazing recovery. Bryan thinks
that this is a very dangerous situation and not everyone will be as lucky as
Roger.
I think this one should go in the archives.
Steve Boetto
FireFly
Message 24
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| Subject: | Re: Affordable Engines |
--> Kolb-List message posted by: Mitty <benny_bee_01@yahoo.com>
John,
You had 912 on Ultrastar?? Or i misunderstood :-O
I
> was 55 years old
> when I finally got to fly with my first 912, ten
> years after my first
> Cuyuna powered Ultrastar.
>
> Hang in there. It'll happen before you know it. A
> little patience
> will pay off in the end.
>
> Take care,
>
> john h
> MKIII/912ULS
> Titus, Alabama
>
> DO NOT ARCHIVE
>
>
>
> Click on
> about
> provided
> www.buildersbooks.com,
> Admin.
> _->
> browse
> Subscriptions page,
> FAQ,
>
>
>
>
>
>
__________________________________
http://farechase.yahoo.com
Message 25
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--> Kolb-List message posted by: C97Echo@aol.com
Message 26
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| Subject: | Re: MKIII Xtra Speeds/MKIIIc Speeds |
--> Kolb-List message posted by: "Don Gherardini" <donghe@one-eleven.net>
You Guys can ad the FireFly to that same speed description...
My Flag Fly will run 90 mph flat out...but that is stem-wound and you can
sure tell it, not too comfortable, and if you want to see 95 or 100 thats
easy...just tip the nose down a tad, and then you will see what John H
describes as VERY uncomfortable.
Ole Gramps would describe the sensation as "..Like a dog sh**ing a peach
seed" and that is pretty accurate I think...the airplane is tense and
quivering!
Now Since the is an awful lot of difference between a MK 3C....Johns Ms.
P'fer.....and my FireFly, I think that it becomes pretty obvious that the
Kolb Airfoil is just a 85 mph airfoil and thats all there is to it. I can in
fact cruise at 85...but that lil ole 447 likes 75 much better....which is
where I cruise at. And you men...these are corrected numbers.
Don Gherardini
FireFly 098
http://www.geocities.com/dagger369th/my_firefly.htm
DO NOT ARCHIVE
Message 27
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|
| Subject: | Re: Aero Vee Engine Kit/Comparing 912 and Jabiru |
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
to be
| stronger at high alt and the other one has a two stroke and is happy
as long
| as I keep pouring fuel down it's throat.
|
| Mike
Mike/All:
Amen, on the thirsty two stroke. The 582 burned 5.5 gph at 5,800 rpm
which gave me 80 mph cruise. That's more than the 912ULS at 5 gph at
5,000 rpm and 80 to 85 mph cruise. Of course the 912 beat'em all out
with 4 gph at 5,000 rpm and 80 to 85 mph cruise. In addition, the 912
ran 200+ hours on spark plugs and the 912ULS only 100.
I did a study many years ago when I first started flying the 912.
Compared it with the 582. At approximately 1,000 hours operational
time on each engine, the purchase and operational costs cross. The
912 becomes cheaper to buy and operate. However, it did not factor in
mandatory overhauls. Realistically, the 912 would still come out on
top, I think, because I believe it will go well over the factory
recommended TBO of 1500 hours. The 582 will go over the 300 hour TBO,
but not a whole lot before failure.
john h
MKII/912ULS
Message 28
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| Subject: | Skip Staub's Ceremony |
--> Kolb-List message posted by: "Beauford" <beauford@tampabay.rr.com>
Kolbers:
For those who might be interested...
CDR Bernard F. "Skip" Staub, American Navy (Ret.), will be laid to rest with full
honors in Arlington National Cemetery at 1:00 PM on Wednesday, 08 Feb, 2006.
Beauford
Do Not Archive
Message 29
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|
| Subject: | Re: My Mark III, not a crash/Forward Horizontal Stabilizer |
Attachment
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
| crack can and usually does occur under the fabric at the first
rivet.
|
| Steve Boetto
Hi Steve B/All:
Seems to me it is better to fix the bracket on the outside of the
fabric for proper preflight inspection. May be prettier under the
fabric, but not nearly as safe and functional.
I always attach the horizontal stabilizer forward bracket after I
cover and paint. However, all holes for bracket rivets are predrill
and fitted prior to covering.
john h
MKIII/912ULS
Message 30
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| Subject: | Re: MKIII Xtra Speeds/MKIIIc Speeds/Fire Fly Speeds |
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
peach
| seed" and that is pretty accurate I think...the airplane is tense
and
| quivering!
|
| Don Gherardini
DonG/Gang:
Yep, I saw it. And a trail of smoke was coming off its quivering
little tail it was going so fast. hehehe
Seriously, these are very realistic numbers based on performance of
the Ultrastar (35 hp) and Firestar (40 hp) many years ago. Both
would fly 85 mph, straight and level, WOT. When one takes a similar
fuselage with 22' wingspan, rather than 27.5', it ain't hard to get
over 90 mph in a Fire Fly. Also, Don G built new streamlined single
wing struts. That probably helped a whole bunch.
Love it!
john h
Message 31
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| Subject: | Re: My Mark III, not a crash/Forward Horizontal Stabilizer |
Attachm...
--> Kolb-List message posted by: N27SB@aol.com
In a message dated 11/17/2005 6:55:09 P.M. Eastern Standard Time,
jhauck@elmore.rr.com writes:
Hi Steve B/All:
Seems to me it is better to fix the bracket on the outside of the
fabric for proper preflight inspection. May be prettier under the
fabric, but not nearly as safe and functional.
I always attach the horizontal stabilizer forward bracket after I
cover and paint. However, all holes for bracket rivets are predrill
and fitted prior to covering.
john h
MKIII/912ULS
Hi John, help me out here, I am not concerned here about whether or not the
L bracket is covered or not. Although I am a Kolb Neophyte, I think that I
understand the importance of having the joint free and moving. I am concerned if
people start boltin em up tight. or worse yet if the FAA mandates that it be
done based on the report of Roger's plane. The geometry of the elevator horn
moves in an arc and requires that the fore mounts can slide fore and aft. If
I am wrong here I will relinquish but I think I am on track.
BTW, I'm ready for another Motocross Challenge, I've been practicing.
Steve B
Message 32
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| Subject: | Re: My Mark III, not a crash/Forward Horizontal Stabilizer |
Attachm...
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
not the
| L bracket is covered or not. Although I am a Kolb Neophyte, I think
that I
| understand the importance of having the joint free and moving.
|
| BTW, I'm ready for another Motocross Challenge, I've been
practicing.
|
| Steve B
Steve B/Gang:
That's the importance of following the plans and instructions for
spacing and attachment. Unless the elevator hinges are centered
exactly, there will be some fore and aft movement of
elevator/horizontal stabilizer. If there is not enough space for the
horizontal stabilizer attachment to move for and aft in the other half
of the attachment on the tailboom, it will start bending things which
will eventually break.
Still important to be able to see the hardware to see if it is
failing, even if installed correctly, according to plans.
What kind of bike are you going to be riding to do the MX Challenge?
;-)
john h
Message 33
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| Subject: | Re: My Mark III, not a crash/Forward Horizontal Stabilizer |
Attachm...
--> Kolb-List message posted by: N27SB@aol.com
In a message dated 11/17/2005 9:00:42 P.M. Eastern Standard Time,
jhauck@elmore.rr.com writes:
What kind of bike are you going to be riding to do the MX Challenge?
;-)
Same Crappy one I had before, I mean really, You are about 15 years my
Senior, I should give a handicap. But I suspect you could still whip my tail
no
matter what I rode. Thanks for the Lesson.
Steve
do not archive
Message 34
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| Subject: | Re: My Mark III, not a crash/Forward Horizontal Stabilizer |
Attachment
--> Kolb-List message posted by: "Richard & Martha Neilsen" <NeilsenRM05@comcast.net>
Hey All
I just checked the L brackets on my MKIIIc. There are four per side eight
total so at least two would need to crack completely before they would let
go. Must be dumb luck but my brackets are on the outside for full
inspection. Also the rear edge of the horizontal stabilizer doesn't move at
all (up, down, forward, or backward) through the full travel of the
elevator. I see washers on the bolt that holds the tail fold fittings. Seems
like in the instructions I was told to put the washers as needed to put the
elevator hinge right at the hinge point of the elevator fold/bellcrank to
eliminate this movement. What am I missing?
Rick Neilsen
Redrive VW powered MKIIIc
----- Original Message -----
From: "John Hauck" <jhauck@elmore.rr.com>
Subject: Re: Kolb-List: My Mark III, not a crash/Forward Horizontal
Stabilizer Attachment
> --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
>
> rivet.
>
> Hi Steve B/All:
>
> Seems to me it is better to fix the bracket on the outside of the
> fabric for proper preflight inspection. May be prettier under the
> fabric, but not nearly as safe and functional.
>
> I always attach the horizontal stabilizer forward bracket after I
> cover and paint. However, all holes for bracket rivets are predrill
> and fitted prior to covering.
>
> john h
> MKIII/912ULS
>
>
>
Message 35
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| Subject: | Re: My Mark III, not a crash/Forward Horizontal Stabilizer |
Attachm...
--> Kolb-List message posted by: roger lee <ssadiver1@yahoo.com>
Hi everyone,
My "L" bracket that broke was the set mounted on the main tail boom and not on
the stabilizer itself. It was not the one under the fabric. I am going to take
some pictures tomorrow (Friday) and post them. If when I look at this bracket
at the forward end of the horizontal stabilizer and if it indeed needs to be
slightly loose for the system to work then I will see if a second bracket can
be added and not impede the stabilizer movement. If it can not be added without
causing some binding then I will at least add the second set of stabilizer
wires and change out the rest of the "L" brackets. I talked to NTSB today and
told them what happened and they are only going to make me fill out the standard
form and do not think it will affect anyone else. They were happy that I posted
something on the web so people would take a closer look at their brackets.
The extra set of wires would have kept the horizontal stabilizer from fly up,
but I still believe these should have a change out
time. I
think mine will be 250 Hrs. I also think that these brackets on the stabilizer
side should be on top of the fabric. I am moving mine from under the fabric to
on top. Hope this helps someone from this type of thing. It could have been
catastrophic. Have a safe flight.
Roger Lee
John Hauck <jhauck@elmore.rr.com> wrote: --> Kolb-List message posted by: "John
Hauck"
| Hi John, help me out here, I am not concerned here about whether or
not the
| L bracket is covered or not. Although I am a Kolb Neophyte, I think
that I
| understand the importance of having the joint free and moving.
|
| BTW, I'm ready for another Motocross Challenge, I've been
practicing.
|
| Steve B
Steve B/Gang:
That's the importance of following the plans and instructions for
spacing and attachment. Unless the elevator hinges are centered
exactly, there will be some fore and aft movement of
elevator/horizontal stabilizer. If there is not enough space for the
horizontal stabilizer attachment to move for and aft in the other half
of the attachment on the tailboom, it will start bending things which
will eventually break.
Still important to be able to see the hardware to see if it is
failing, even if installed correctly, according to plans.
What kind of bike are you going to be riding to do the MX Challenge?
;-)
john h
---------------------------------
Message 36
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--> Kolb-List message posted by: jerb <ulflyer@verizon.net>
Why not add it to a "signature" - myself its not that big of deal, if
the topic has useful info, you do nothing, if not you add the 3
words. Speaking of topics, I notice you do not properly use the
subject field which is helpful when doing searches of the archived messages.
jerb
no do archive
At 08:50 AM 11/17/2005, you wrote:
>--> Kolb-List message posted by: russ kinne <kinnepix@earthlink.net>
>
>Matt
>I, for one, appreciate your efforts to get, and keep, the List running
>smoothly. And while writing "do not archive" shouldn't be a great
>chore, it IS 14 keystrokes to send a message that could be done in
>one or two.
>Why NOT shorten it? Many of us are two-finger, peck-and-curse typists
>and would welcome any simplifying
>Russ Kinne
>
>
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