Today's Message Index:
----------------------
1. 02:32 AM - Re: Re: Rotax prices (Robert Schieck)
2. 05:30 AM - Re: Eaa (Wayne T. McCullough)
3. 06:53 AM - Firestar II For Sale (Pat Lavigne)
4. 07:33 AM - Fire star For Sale (Pat Lavigne)
5. 10:09 AM - Re: Eaa (Wayne T. McCullough)
6. 10:59 AM - Speaking of useful "ideas" (Mike Pierzina)
7. 11:07 AM - Re: Landing Gear Legs (John Jung)
8. 11:25 AM - Test (John Jung)
9. 11:27 AM - Re: Landing Gear Legs (Larry Bourne)
10. 11:37 AM - Web Pages - no Kolbs (Larry Bourne)
11. 11:47 AM - Re: Landing Gear Legs (ray anderson)
12. 12:39 PM - Re: Landing Gear Legs (John Hauck)
13. 12:49 PM - q (russ kinne)
14. 12:54 PM - Re: Landing Gear Legs (Kirk Smith)
15. 12:59 PM - Re: Landing Gear Legs (John Hauck)
16. 01:25 PM - Re: Landing Gear Legs (John Jung)
17. 04:16 PM - Re: Landing Gear Legs (John Hauck)
18. 09:08 PM - Re: Landing Gear Legs (Rick Pearce)
19. 09:32 PM - Re: Higher, farther, faster (GeoR38@aol.com)
20. 09:36 PM - gear legs (WADE LAWICKI)
21. 09:42 PM - firestar 2 speeds (WADE LAWICKI)
22. 09:52 PM - Re: gear legs (John Hauck)
Message 1
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| Subject: | Re: Rotax prices |
--> Kolb-List message posted by: Robert Schieck <rschieck@mers.com>
Time: 06:30:31 PM PST US
From: Richard Pike <richard@bcchapel.org>
Subject: Kolb-List: Re: Rotax prices
Just a couple of comments....
1) The pistons from this engine will fit into a 582 (they are in mine).
However, I did have to machine off the corners of the skirt to get them
to match the offical Rotax Aviation pistons that were in my engine. The
machining took 5 minutes with a belt sander. I am not sure if the
machining is required for a 582, as 582 and 618 share the same pistions
and the 618 with its longer stroke may require the machining. FYI, the
original pistons in my engine had the skirts machined, you can see the
machining marks. (I have about 3 or 4 hours on the engine)
2) all the gaskets fit as well except the exhaust and the base IIRC. If
you take an example of your exhaust gaskets into your local sled shop,
they have them and will sell them to you for about 25% of a rotax part.
As for the base gasket, I haven't found a replacement for it yet (not
that I have been looking very hard). You need to be careful with the
base gasket as a thickness change in it will change the compression
ratio of your engine.
3) The circlips are different. The ones that are on the seadoos do not
have the tang like on the UL circlips. when you install them you need to
make sure the gap in the circlip is at 12 o'oclock or 6 o'clock.
4) If you go for after market pistions, you want cast pistions not
forged. They cannot get enough silicon into to forged pisitons so they
expand more than cast pistons and therefore require more clearance to
keep from seizing. ProX and some WSM pistions are cast, weiscos are
forged. Watch out if you go oversized for pistions, rotaxs first
oversize is .25 mm while some aftermarkets start at .5 mm for first
over. ProX goes in .25 mm steps and has 6 oversizes. So if you have run
out of oversized pistons choices from rotax, prox might get you some
additional use out of a set of cylinders if the liner walls aren't too thin.
To put this in perspective, I am not qualified to do any work on any
engine, let alone a 2 stroke.
Remember, when you are flying and the engine stops, you are going to hit
the ground real soon, the only real question is how hard. So, you might
be better off with official Rotax Aviation parts put in by an certifed
rotax repair station.
hth
Rob
--> Kolb-List message posted by: Richard Pike <richard@bcchapel.org>
At 02:23 PM 3/4/2005 -0600, you wrote:
>>--> Kolb-List message posted by: jerb <ulflyer@verizon.net>
>><snip>
>>If you want to pick at cost, go after Rotax. Their gasket prices are
>>ridiculous not to mention the other engine parts.
>>jerb
<snip>
If you want to cut corners, then the gaskets for the snowmobiles and jet
skis (imo) are the same as the u/l motors, however the part #'s are not.
They add three #'s as a prefix, all the following #'s are the same.
Likewise with the wrist pins and some other parts. I would be careful as to
what I substituted, but some parts I am comfortable substituting. These are
experimental aircraft and engines, so it is your call.
I normally buy gaskets at my local Yamaha/Skidoo dealer and have never had
a problem.
Feeling brave?
Check out
http://216.37.204.206/xtremepowersports/Seadoo_OEM/Seadoo_PWC.asp?Type=13&A=
9&B=2
Getting ready to go to 1st or 2nd oversize?
This piston with rings is 1/3 the cost of a piston plus rings from Rotax
for a 582.
Do you really think Bombardier uses different circlips for their
snowmobiles or jet skis than they do in our aircraft (!) engines? Or wrist
pin bearings?
As Dirty Harry said, "Feeling lucky?"
Food for thought.
Will I use non-U/L parts it at my next rebuild? Absolutely.
Or else a Wiseco set of pistons and punch my 583 out to 600 cc and pick up
two more horsepower, plus a welded crank for $275 bucks instead of $1200.
A genuine Rotax aircraft rebuilder dealer would call it heresy.
Maybe. But that's what I plan to do, I'll let you know it it works....Or
if it doesn't.
Richard Pike
MKIII N420P (420ldPoops)
do not archive
Message 2
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--> Kolb-List message posted by: "Wayne T. McCullough" <blackbird754@alltel.net>
Jimmy,
Please contact me if you cannot upload our web page...EAA chapter 330 is
loading and working fine for me from the national web site.
Wayne McCullough
EAA chapter 330
912-754-9598
blackbird754@alltel.net
----- Original Message -----
From: "Jimmy" <jhankin@planters.net>
Subject: Kolb-List: Eaa
> --> Kolb-List message posted by: "Jimmy" <jhankin@planters.net>
>
> Those of you that are a member of the EAA, will someone try to access
> their
> web site, I need some information on local chapters in Georgia, but cannot
> access their web site www.eaa.org/
> I need to know if I have a computer problem or they have a problem.
>
> Thanks for any help.
>
> Jimmy Hankinson
> 912-863-7384
> Firefly 035
> JYL (Sylvania)
> Pegasus Field (Home)
> 2000 Feet X 100 Feet- Grass
> Rocky Ford, Georgia
>
>
>
Message 3
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| Subject: | Firestar II For Sale |
--> Kolb-List message posted by: "Pat Lavigne" <pjl53@hotmail.com>
FOR SALE Kolb Firestar
Rotax 447 with 42 Hrs. total time on engine and airframe
Ivo 3 blade ground adjustable prop
EIS
Icom IC-A4 radio w/ headset and helmet
Lowrance GPS
Lexan wing gap seal
full encloser plus semi-shorty wind shield, and shorty windshield
drum brakes
many,many extra's
$12,625.00
contact:
Pat LaVigne
Rochester,N.Y.
(585)426-5463
Message 4
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| Subject: | Fire star For Sale |
--> Kolb-List message posted by: "Pat Lavigne" <pjl53@hotmail.com>
Sorry Kolbers,
I forgot to say that the plane is a Firestar II
Thanks,
Pat
Message 5
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--> Kolb-List message posted by: "Wayne T. McCullough" <blackbird754@alltel.net>
Here is the updated link as our webpage has changed. Please make a note of
it....
http://astro.armstrong.edu/~mcculeri/eaa.html
My daughter is working on this(as a college class) as she has become my
personal webmaster. LOL
Wayne
----- Original Message -----
From: "Wayne T. McCullough" <blackbird754@alltel.net>
Subject: Re: Kolb-List: Eaa
> --> Kolb-List message posted by: "Wayne T. McCullough"
> <blackbird754@alltel.net>
>
> Jimmy,
>
> Please contact me if you cannot upload our web page...EAA chapter 330 is
> loading and working fine for me from the national web site.
>
>
> Wayne McCullough
> EAA chapter 330
> 912-754-9598
> blackbird754@alltel.net
> ----- Original Message -----
> From: "Jimmy" <jhankin@planters.net>
> To: <kolb-list@matronics.com>
> Subject: Kolb-List: Eaa
>
>
>> --> Kolb-List message posted by: "Jimmy" <jhankin@planters.net>
>>
>> Those of you that are a member of the EAA, will someone try to access
>> their
>> web site, I need some information on local chapters in Georgia, but
>> cannot
>> access their web site www.eaa.org/
>> I need to know if I have a computer problem or they have a problem.
>>
>> Thanks for any help.
>>
>> Jimmy Hankinson
>> 912-863-7384
>> Firefly 035
>> JYL (Sylvania)
>> Pegasus Field (Home)
>> 2000 Feet X 100 Feet- Grass
>> Rocky Ford, Georgia
>>
>>
>>
>
>
>
Message 6
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| Subject: | Speaking of useful "ideas" |
--> Kolb-List message posted by: Mike Pierzina <planecrazzzy@yahoo.com>
Hey Guys,
Here's an idea that I wish somebody would have had while I was
building....
"Mock" stub wings.... I didn't then... and don't now....have room to stretch
out the wings on the cage while I was building in the garage....in order to make
my gap seal bettween the wings I had to wait for nice weather....push out the
plane....set it up....
Later, when I work on making the Full enclosure ( that'll be another
Original) I'll need to have the wings "set-up" again.....
Even if I could "RENT" a set of those stub wings, I would have.....I wish
I would have built something like that earlier.....too late now ....it wouldn't
be worth the time involved for what little I have left.....
Well, at least "I" think it would be a good idea......
Gotta Fly...
Mike in MN
PS John, Your still my Hero !
My Web Site:
http://www.geocities.com/planecrazzzy/Planecrazzzy.html
Sometimes you just have to take the leap and build your wings on the way down...
---------------------------------
Message 7
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| Subject: | Re: Landing Gear Legs |
--> Kolb-List message posted by: John Jung <jrjungjr@yahoo.com>
John H. and Group,
I like the attitude working together to solve the
landing gear problem. And I do think it is a problem.
Not a big one, but still a problem. But in this case,
the problem is already solved. John Hauck solved it
years ago and has done an extreme amount of testing to
prove it. It would be nice if TNK offered a steel
gear upgrade, but I'm giving up on waiting for that.
It's time for me to add some of that well tested Hauck
design to my Firestar.
So, I know what steel to order and to get it heat
treated to RC48, but how do I attached the axles and
get them at the right angle?
John Jung
Firestar II
Surprise, AZ
__________________________________
http://birthday.yahoo.com/netrospective/
Message 8
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--> Kolb-List message posted by: John Jung <jrjungjr@yahoo.com>
This is the 3rd day that I have been trying to post.
If this gets through, I'll have an idea what the
problem is. Sorry for the extra post.
John Jung
__________________________________
http://birthday.yahoo.com/netrospective/
Message 9
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| Subject: | Re: Landing Gear Legs |
--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
John's setup has been well proven and works very well. Seems to me that
someone said recently that TNK has made a steel gear available, so you might
check into that. If not, check my website under Building Vamoose/Trailer
and Landing Gear, and under Single Pictures/Landing Gear 1. Looks like I've
got some updating to do there to get it all together. I went my route
because of the narrow trailer - I'm too stubborn to look for a wider
trailer. John's experience made it much easier to work out my own solution.
Lar.
Larry Bourne
Palm Springs, CA
Building Kolb Mk III
N78LB Vamoose
www.gogittum.com
----- Original Message -----
From: "John Jung" <jrjungjr@yahoo.com>
Subject: Re: Kolb-List: Landing Gear Legs
> --> Kolb-List message posted by: John Jung <jrjungjr@yahoo.com>
>
> John H. and Group,
>
> I like the attitude working together to solve the
> landing gear problem. And I do think it is a problem.
> Not a big one, but still a problem. But in this case,
> the problem is already solved. John Hauck solved it
> years ago and has done an extreme amount of testing to
> prove it. It would be nice if TNK offered a steel
> gear upgrade, but I'm giving up on waiting for that.
> It's time for me to add some of that well tested Hauck
> design to my Firestar.
>
> So, I know what steel to order and to get it heat
> treated to RC48, but how do I attached the axles and
> get them at the right angle?
>
> John Jung
> Firestar II
> Surprise, AZ
>
>
> __________________________________
> http://birthday.yahoo.com/netrospective/
>
>
>
Message 10
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| Subject: | Web Pages - no Kolbs |
--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
Not Kolb Related - Hit Delete Now if You Don't Like
It.
I'm posting this here because quite a few people have expressed interest in the
past, and it's the easiest way to contact everyone. I've added a new
section to my website called "Palm Springs Day Trips" that has 3 pages for now.
2 of them have flying related portions, but unfortunately not in a Kolb -
yet. I've updated the Whales in Baja section as well, with Whales 04 and Whales
05 updates. Just returned from my 6th annual whale watching trip in Mexico
2 weeks ago and had a fine time. You can click on the link in my signature,
below, or, for the whales, go to:
http://www.webpictures.homestead.com/whaleshome.html.
For the Palm Springs page: http://www.webpictures.homestead.com/springs.html
I hope you enjoy them.........gotta go out and do a little on Vamoose now, before
it starts raining again.
Lar. Do not Archive.
Larry Bourne
Palm Springs, CA
Building Kolb Mk III
N78LB Vamoose
www.gogittum.com
Message 11
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| Subject: | Re: Landing Gear Legs |
--> Kolb-List message posted by: ray anderson <rsanoa@yahoo.com>
John,
There was a time long ago when Mohammed Ali was known as Cassius Clay
and when he gave interviews he said something like this about his success in the
ring, " I dance like a butterfly". From what I read here mostly, you can keep
your aluminum landing gear legs, you just need to learn to land "like a butterfly".
Since John H. can certainly land like a butterfly, he probably built
his steel legs just to kill time between adventures.
Do Not Archive
John Jung <jrjungjr@yahoo.com> wrote:
--> Kolb-List message posted by: John Jung
John H. and Group,
I like the attitude working together to solve the
landing gear problem. And I do think it is a problem.
Not a big one, but still a problem. But in this case,
the problem is already solved. John Hauck solved it
years ago and has done an extreme amount of testing to
prove it. It would be nice if TNK offered a steel
gear upgrade, but I'm giving up on waiting for that.
It's time for me to add some of that well tested Hauck
design to my Firestar.
So, I know what steel to order and to get it heat
treated to RC48, but how do I attached the axles and
get them at the right angle?
John Jung
Firestar II
Surprise, AZ
__________________________________
http://birthday.yahoo.com/netrospective/
---------------------------------
Message 12
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| Subject: | Re: Landing Gear Legs |
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
Since John H. can certainly land like a butterfly, he probably built
his steel legs just to kill time between adventures.
Ray Anderson
Ray A/Gang:
You said all the above, not me.
For those that know me, they know I readily admit my aviating
mistakes. I have bent aluminum and steel legs on my aircraft.
However, never bent an aluminum gear leg on factory or private owners
Kolbs I have had the privilege to fly.
Have you had the opportunity to fly with Kolb aluminum gear legs?
john h
Message 13
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--> Kolb-List message posted by: russ kinne <kinnepix@earthlink.net>
In re the landing-gear discussion; I freely admit I have almost no
experience in a Kolb; but please remember that in any dynamic system
there will be a 'weak link' that will fail first. With a standard
Kolb aircraft, that will be the landing gear leg. If you make that a
lot stronger, then it will be the leg socket and cage assembly. Much
better to have a fairly cheap and easy-to-replace gear leg fail, than
to have the cage itself require repairs.
I handled Brian's new and improved gear leg at the Kolb factory, and it
seemed to me to be too strong but as I mentioned, I'm not
qualified to judge.
Just please remember that SOMETHING has to give, always; and you'll be
a lot happier if it's something fairly cheap & easy to replace.
Message 14
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| Subject: | Re: Landing Gear Legs |
--> Kolb-List message posted by: "Kirk Smith" <snuffy@usol.com>
This discussion on gear legs reminds me of the harmonics issue we discussed
quite some time ago. One of the discussion points was about two power
sources on a Kolb. It was mentioned that two power sources in an improper
phase relationship can be very destructive to the airframe by amplifying a
second or third order harmonic. I guess this kind of applies?..snuf
Do not archive
Message 15
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| Subject: | Re: Landing Gear Legs |
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
| the problem is already solved. John Hauck solved it
| years ago and has done an extreme amount of testing to
| prove it.
]| So, I know what steel to order and to get it heat
| treated to RC48, but how do I attached the axles and
| get them at the right angle?
|
| John Jung
Hi John J/Gang:
I haven't solved the landing gear problem. All I did, with the help
of Brother Jim Hauck, was design, fabricate, and experiment with 4130
gear legs to satisfy my requirements for my style of flying, which is
probably a bit more agressive than the average Kolb flyer. I enjoy
landing out, in many places, most isolated, and need the comfort of
knowing if I screw up a landing I can still get back home. I screwed
up a landing in Muncho Lake, BC, 1 July 2000, that stranded me a long
way from Alabama. Since that time, Brother Jim and I agreed on a fix
that has gotten me back to Alaska twice, surviving some awfully
screwed up landings that would have failed lesser landing gear. Might
add, it was a big learning curve trying to learn how to land at 9,927
feet above sea level. I beat the poor old MKIII to death landing and
taking off at Leadville, CO.
I don't do anything to my airplane to try and change Kolb or others,
but throughout my experience flying, breaking, and experimenting with
Kolbs, some of it has worn off on production Kolbs. Many of those
changes were incorporated when Bro Jim went up to old Kolb for a three
month period to help Homer, who had lost all his welders due to
accident and illness. During that time period I spent a month helping
Homer in the day time and at night Jim and I built the fuselage for
the MKIII. What we did the night before, Homer would look at the next
morning when he came in. Homer has blessed everything Jim and I have
done to his aircraft. I could not have done any of this without Bro
Jim. I come up with the requirement and Jim comes up with the
solution, then produces it for me. I am a lucky man to have a brother
like Jim.
The failure at Muncho Lake, BC, was not a gear leg problem, but a gear
leg socket failure. In February 1991, when Jim was fabricating the
MKIII gear at Kolb, he wanted to weld the axle socket to the gear leg,
rather than use the system Kolb used, which was the gear leg/axle
socket. Kolb's system worked easiest to align the main gear, and the
reason I wanted to go that route. Jim knew which system was most
durable, but gave into my wishes. Hind sight says I wish I had gone
with Jim's idea instead of mine. The fix after Muncho Lake was welded
axle socket to gear leg, align, drill, then heat treat. Those gear
legs have been thoroughly tested, used and abused in the roughest
environment available between here and Point Barrow. I pulled them
off the MKIII prior to my last flight to Alaska to press the bend out
of them. They are still working well.
We got the correct angle to weld up the gear leg/axle sockets by
blocking up the fuselage, measuring the angle from floor to gear leg,
then adding a few degrees for positive camber to allow for the gear
legs to take a set after they get broken in good. Don't know how many
time I can bend the kinks out of them. Will have to see how well I
can learn to "land like a butterfly"!!!
john h
PS: John J, if you need more help with the steel gear, let me know.
I'll do what I can to help you.
Message 16
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| Subject: | Re: Landing Gear Legs |
--> Kolb-List message posted by: John Jung <jrjungjr@yahoo.com>
Group,
Here is why I am interested in changing gear legs: For
me, they usually bend near the axle and change the
camber of the wheel, and sometimes the amount of toe
in/out. That doesn't make much difference on grass,
but I suspect that it does on pavement, which I now
fly from. I can't complain about the money I have
spent on gear legs in 9 years of flying Firestars, nor
the time it takes to change them. It is just one thing
that isn't as good as the rest of the plane. I would
be satisifed with aluminum gear, if the taper were
less or they were straight (no taper).
John Jung
Firestar II N6163J
Surprise, AZ
__________________________________
http://birthday.yahoo.com/netrospective/
Message 17
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| Subject: | Re: Landing Gear Legs |
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
| I would
| be satisifed with aluminum gear, if the taper were
| less or they were straight (no taper).
|
| John Jung
John J/Gang:
IIRC the Kolb gear legs are 1 1/8 7075 aluminum rod. I looked on
Aircraft Spruce online catalog, but not listed.
I have a catalog around here somewhere which I think list 7075 alum
rod. I see no reason why you can not get it cut the desired length.
You will have to change your gear leg/axle socket to accept the 1 1/8"
gear leg. Any decent welding shop can weld these up for you with a
TIG. You can cut the leg and axle sockets with your hacksaw. If the
taper is the weak point, I would surely take it out and try that.
It is more expensive to build 4130 gear legs because of the additional
step of heat treating.
john h
Message 18
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| Subject: | Re: Landing Gear Legs |
--> Kolb-List message posted by: "Rick Pearce" <rap@isp.com>
I just recieved my new steel gear legs 3 weeks ago. TNK is delivering new
heat treated steel gear legs on all the new Kolbs.
----- Original Message -----
From: "John Jung" <jrjungjr@yahoo.com>
Subject: Re: Kolb-List: Landing Gear Legs
> --> Kolb-List message posted by: John Jung <jrjungjr@yahoo.com>
>
> John H. and Group,
>
> I like the attitude working together to solve the
> landing gear problem. And I do think it is a problem.
> Not a big one, but still a problem. But in this case,
> the problem is already solved. John Hauck solved it
> years ago and has done an extreme amount of testing to
> prove it. It would be nice if TNK offered a steel
> gear upgrade, but I'm giving up on waiting for that.
> It's time for me to add some of that well tested Hauck
> design to my Firestar.
>
> So, I know what steel to order and to get it heat
> treated to RC48, but how do I attached the axles and
> get them at the right angle?
>
> John Jung
> Firestar II
> Surprise, AZ
>
>
> __________________________________
> http://birthday.yahoo.com/netrospective/
>
>
Message 19
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| Subject: | Re: Higher, farther, faster |
--> Kolb-List message posted by: GeoR38@aol.com
In a message dated 2/23/2005 9:13:39 AM Eastern Standard Time,
Cavuontop@aol.com writes:
>
> I'm sure I'll be back someday, guys. Kolb flying is just too much fun
> to give up altogether, but at the moment I gotta do what I gotta do. I'd
> like
> to thank all of the contributors to this list for the help they have
> offered
> me over the years; in particular the Good Reverend Pike and John Hauck;
> they
> are an inspiration; and Bruce Chestnut who is doing a helluva job with the
> company in a tough business climate.
>
> Good luck guys, be safe.
>
> Mark R. Sellers
> _http://hometown.aol.com/cavuontop/viking.html_
> (http://hometown.aol.com/cavuontop/viking.html)
>
>
hate to see you go, Cavuontop, you have always been an inspiration to me from
the legal world, and I counted on your opinions as being reflective of the
times. But your story is totally understandable and I appreciate your
conclusions. Enjoy your new life, friend.
Yours in Aviation
George Randolph
Firestar Driver from The Villages, Fl
ps....mebbe when you get the chance you might elaborate on why the loved one
has such fear in the Kolb but not the other.....too much visibility mebe?
hmmmmm, interesting.....
do not archive
Message 20
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--> Kolb-List message posted by: WADE LAWICKI <wlawicki@yahoo.com>
john,group,
how about some closeup shots of those strong,sexy legs! I mean the landing
gear:)
wade fs #1030
do not archive
---------------------------------
Message 21
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| Subject: | firestar 2 speeds |
--> Kolb-List message posted by: WADE LAWICKI <wlawicki@yahoo.com>
group,
could someone forward me or post factory flight speeds for a fs 2 (best
climb,glide,stall) i have a dc/di 503. just ball park # i will fine tune them
per my plane.
thanks,
wade fs #1030
do not archive
---------------------------------
Message 22
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--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
| how about some closeup shots of those strong,sexy legs! I
mean the landing gear:)
|
| wade fs #1030
Wade/Gang:
Too late tonight to get some good shots of the MKIII gear legs. This
url has a bunch of shots of the MKIII. Gear legs are shown in most of
the pics.
I have some shots of the gear legs on my old Firestar. Will have to
dig them out later.
http://home.elmore.rr.com/jhauck/Knik%20River%20Alaska/
john h
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