Today's Message Index:
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1. 05:41 AM - Re: Re: First Flights Completed! (william sullivan)
2. 07:46 AM - Re: Twinstar MKII (George Helton)
3. 09:08 AM - Re: First Flights Completed! (RoHam)
4. 09:16 AM - Re: First Flights Completed! (gear leg question) (RoHam)
5. 09:21 AM - Re: Re: First Flights Completed! (Charlie England)
6. 10:18 AM - Re: Re: First Flights Completed! (John Hauck)
7. 10:36 AM - Re: Re: First Flights Completed! (gear leg question) (Bill Berle)
8. 10:47 AM - Re: Re: First Flights Completed! (Bill Berle)
9. 12:16 PM - Rotax 503 GHT probe Question (RoHam)
10. 06:38 PM - Re: Rotax 503 GHT probe Question (woody)
11. 07:20 PM - Re: Rotax 503 GHT probe Question (Richard Pike)
12. 11:09 PM - Re: First Flights Completed! (Mcabbage)
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Subject: | Re: First Flights Completed! |
When I bought my Firestar, it came with a couple of new legs. The ones that were
on it were a little bent, so I put the new ones on. About 1/2 an hour of taxiing
on grass, and they both bent like the second one in the photo. The previous
owner had made them of 6061 (If I remember).
Bill Sullivan
Windsor Locks, Ct.
--------------------------------------------
Pike" <thegreybaron@charter.net>
Attached is my collection of old
Firestar/FSII gear legs. The top set is from the original
Firestar from which we built the FF clone, and I would
consider them un-straightenable. The next 3 down all have
slight bends and could easily be fixed with a press in just
a few minutes. The bottom one is unbent.
Attachments:
http://forums.matronics.com//files/p1060418_medium_140.jpg
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Subject: | Re: Twinstar MKII |
Mark, I originally built my Twinstar MK II (TS215) back in 1989 I believe.
In those day they came with 1=9D diameter 6061 T6 aluminum struts .
They
didn=99t hold up very well. Homer (Kolb)then went to providing 1 1/8
=9D
diameter aluminum struts which is the standard to this day. I think? You
had to pull an aluminum sleeve out of the cage assembly to install them.
They hold up very well and are very forgiving to the airframe if you happen
to slam a landing. I have a set installed on my 1986 Firestar and they
=99ve
worked fine for 28 years. They=99re beginning to sag a little now so
I plan
on replacing them this winter with new ones that I bought from Kolb along
with the new spindles. One other thing that can cause bent landing gear
struts also is a lack of positive ( toe in.)chamber at your wheel spindles.
No or negative chamber (toe out) try=99s to stretch the landing gear
apart.
This seems to be over looked a lot.
The best advice I can offer is to learn to land. I=99m a believer in
practice, practice, practice. Ex- flight instructor, sorry. Power on,
wheels landings at first until some degree of perfection is reached. Then
move on to power on , crosswind wheels on landings , crab approach to cross
control touchdown. Then power off gliding landings. You will be called on
to perform this someday if you fly a 2 stroke engine long enough. And then
to 3 point. Blowing 3 point landings are not only hard on landing gear legs
but also tailwheel struts and boom tubes. Keep your airspeed up on approach
and fly it to the ground slowing just at touchdown. Remember, Kolbs scrub
speed off quickly, just like most ultralight types. And lastly I leave you
with some words of advice from the late Homer Kolb.
=9CKeep thy airspeed up, lest thee smite the ground.=9D
Thanks for your genius, Homer.
Congrats on your MK II! Enjoy it and be safe out there. George H.
George Helton
Firestar =9C0riginal=9D 1986, FS100
14GDH
Mesick, Michigan
gdhelton@gmail.com
On Sun, Oct 29, 2017 at 5:18 PM Mark K <seanote@echoes.net> wrote:
>
> Good afternoon Kolbers. I have a Twinstar MKII that I am redoing and
> looking for some pointers on the aft cage tubing bending and fastening. I
> have scoured the build manual and plans and photo build manual and don't
> find any details on the shape to bend the tubing to. Riveting and gusseti
ng
> is described but nothing on shaping. Any and all input will be greatly
> appreciated. Thanks in advance.
>
> --------
> Mark
> Twinstar MKII
> Great Bend, PA
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=473945#473945
>
>
===========
===========
===========
===========
===========
>
>
> --
Have a great day!
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Subject: | Re: First Flights Completed! |
Thanks for the response,
As far as moving my brake petals,that's not a priority to me. I learned the hard
way where my heels belong and comfortable taking off or landing without being
in position for braking. Only feel I need them for taxiing. I will try to straighten
gear when it seems to get worse. Mine is between Richards #3 & 4 pictures.
I'll see how it goes. Just hoping to get more flying in before the winter
sets in, then I'll make repairs / improvements.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=473971#473971
Attachments:
http://forums.matronics.com//files/first_landing_623.png
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Subject: | Re: First Flights Completed! (gear leg question) |
A buddy of mine is trying this setup for off airport operation. Too much fabrication
for me, but I like it. ...Bob
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=473972#473972
Attachments:
http://forums.matronics.com//files/20170910_143822_972.jpg
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Subject: | Re: First Flights Completed! |
Yet another reason to fly off grass until comfortable in the a/c. :-)
On Mon, Oct 30, 2017 at 11:07 AM, RoHam <RoHam903@gmail.com> wrote:
>
> Thanks for the response,
> As far as moving my brake petals,that's not a priority to me. I learned
> the hard way where my heels belong and comfortable taking off or landing
> without being in position for braking. Only feel I need them for taxiing. I
> will try to straighten gear when it seems to get worse. Mine is between
> Richards #3 & 4 pictures. I'll see how it goes. Just hoping to get more
> flying in before the winter sets in, then I'll make repairs / improvements.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=473971#473971
>
>
> Attachments:
>
> http://forums.matronics.com//files/first_landing_623.png
>
>
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Subject: | Re: First Flights Completed! |
If you haven't put a Kolb on its nose "yet", you ain't flying.
January 1991, Brother Jim and I were beginning the build on my MKIII at the
Kolb Factory. Homer put us up in the house and treated us like family. H
e always treated Jim and I like family. We were all hanging out up at his
airstrip while he flew kids in the Factory MKIII. Jim and I had been talki
ng about what we were going to do with the stock landing gear. Homer came
in, landed, turned the tail into the wind and promptly put the MKIII on its
nose. Jim and I looked at each other and agreed the main gear needed to c
ome forward. After we finished welding up the fuselage the main gear was 8
" forward of the original location attached to a .75" 4130 square tube brid
ge, now an integral part of the fuselage.
What did this accomplish:
-Never came close to nosing over in over 3400.0 hours.
-Raised the nose to a good 3 point stance which improved short field take o
ffs and landings.
-The 1.125" diameter X .120 wall gear legs heat treated to 48 RC provided a
dequate suspension when combined with the low pressure 800X6 Air Tracs. 48
RC will allow the spring steel legs to bend prior to breaking. This I prov
ed through actual crashes. ;-) The axle sockets are either .90 or .120 an
d welded to the end of the gear leg. Originally, I went with the bolt on a
xle socket, against Brother Jim's recommendation, he wanted to weld them, b
ut I over ruled. Their failure at Rocky Mountain Lodge, 1 July 2000, on Mu
cho Lake, in Northern British Columbia, is what caused my crash and test of
gear legs to failure. Not a good day. 17 years ago. All was not for nau
ght. The day after the crash I got to meet Ernest Borgnine, a real class a
ct and friend halibut fisherman. Some of you old timers probably remember
that day. I was on my way, I thought, to Point Barrow, Alaska. We did mak
e it the next year on Brother Jim's gear legs. ;-)
Don't try and fly a Kolb with 4130 legs that have not been heat treated. T
hey are not springs until they have been in the oven. Yes, and have it don
e by a professional heat treating facility.
BTW: My tail wheel strut is .120 wall 4130 heat treated to 48RC.
Weight is about the same as the alum 7075 legs.
Please pardon my rambling. I tend to do this as I age. ;-)
john h
mkIII
Titus, Alabama
From: owner-kolb-list-server@matronics.com [mailto:owner-kolb-list-server@m
atronics.com] On Behalf Of Charlie England
Sent: Monday, October 30, 2017 11:20 AM
Subject: Re: Kolb-List: Re: First Flights Completed!
Yet another reason to fly off grass until comfortable in the a/c. :-)
On Mon, Oct 30, 2017 at 11:07 AM, RoHam <RoHam903@gmail.com> wrote:
Thanks for the response,
As far as moving my brake petals,that's not a priority to me. I learned the
hard way where my heels belong and comfortable taking off or landing with
out being in position for braking. Only feel I need them for taxiing. I wil
l try to straighten gear when it seems to get worse. Mine is between Richar
ds #3 & 4 pictures. I'll see how it goes. Just hoping to get more flying in
before the winter sets in, then I'll make repairs / improvements.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=473971#473971
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http://forums.matronics.com//files/first_landing_623.png <http://forums.mat
ronics.com/files/first_landing_623.png>
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Subject: | Re: First Flights Completed! (gear leg question) |
" A buddy of mine is trying this setup for off airport operation. Too much fabrication
for me, but I like it. ...Bob"
Fabrication???? There's a month's worth of ENGINEERING that has to be done on that
setup long before the first piece of metal is cut :) !
I am 1000% in favor of innovation and tinkering, but in cases like this where primary
structure is involved the innovation has to be balanced with engineering
done by someone with training. The exotic setup in that photo MAY BE really
well done, and properly engineered. I have no idea if it is or not, and I am not
quaified to say if it is engineered well. But I can say that there either has
been, or has to be, a fair amount of analysis made on how those landing loads
are put into the fuselage structure, and whether the FORWARD fuselage attachment
can take those loads without bending the lower longerons or cross members.
The REAR mounting ties in with the standard Kolb socket tube, so it is LIKELY
OK.
I hope it works, and I hope that the Super Cub tyle bungee arrangement delivers
the result that is being pursued.
Reminds me, I owe the Kolb List a photo of two of my landing gear setup. I used
the extra long steel legs from a Kolb Slingshot, and mounted a set of Desser
21 inch LSA bush tires. John H was right, I'll need a ladder to get in the darn
thing ! I will actually have to make up some sort of step, or stirrup somewhere
to get in it.
But it will give me a very high ground angle for the shortest possibe takeoff.
Bill Berle
FireStar 2 / HKS 700E (now in the engine wiring stage)
Los Angeles, CA
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Subject: | Re: First Flights Completed! |
Darn right Ernest Borgnine was a class act ! I saw him give a talk to a group of
young people when our EAA chapter hosted the "Aluminum Overcast" B-17. He was
absolutely awe inspiring. World War 2 Navy veteran before he became an actor.
Bill Berle
www.ezflaphandle.com - safety & performance upgrade for light aircraft
www.grantstar.net - winning proposals for non-profit and for-profit entities
--------------------------------------------
On Mon, 10/30/17, John Hauck <jhauck@elmore.rr.com> wrote:
Subject: RE: Kolb-List: Re: First Flights Completed!
To: kolb-list@matronics.com
Date: Monday, October 30, 2017, 10:14 AM
If you haven't put a Kolb
on its nose "yet", you ain't
flying. January 1991, Brother Jim and I
were beginning the build on my MKIII at the Kolb Factory.
Homer put us up in the house and treated us like family.
He always treated Jim and I like family. We were all
hanging out up at his airstrip while he flew kids in the
Factory MKIII. Jim and I had been talking about what we
were going to do with the stock landing gear. Homer came
in, landed, turned the tail into the wind and promptly put
the MKIII on its nose. Jim and I looked at each other and
agreed the main gear needed to come forward. After we
finished welding up the fuselage the main gear was 8"
forward of the original location attached to a .75"
4130 square tube bridge, now an integral part of the
fuselage. What did this
accomplish: -Never came close to nosing
over in over 3400.0 hours. -Raised the nose to a good 3
point stance which improved short field take offs and
landings. -The 1.125" diameter X
.120 wall gear legs heat treated to 48 RC provided adequate
suspension when combined with the low pressure 800X6 Air
Tracs. 48RC will allow the spring steel legs to bend prior
to breaking. This I proved through actual crashes. ;-)
The axle sockets are either .90 or .120 and welded to the
end of the gear leg. Originally, I went with the bolt on
axle socket, against Brother Jim's recommendation, he
wanted to weld them, but I over ruled. Their failure at
Rocky Mountain Lodge, 1 July 2000, on Mucho Lake, in
Northern British Columbia, is what caused my crash and test
of gear legs to failure. Not a good day. 17 years ago.
All was not for naught. The day after the crash I got to
meet Ernest Borgnine, a real class act and friend halibut
fisherman. Some of you old timers probably remember that
day. I was on my way, I thought, to Point Barrow,
Alaska. We did make it the next year on Brother Jim's
gear legs. ;-) Don't try and fly a Kolb
with 4130 legs that have not been heat treated. They are
not springs until they have been in the oven. Yes, and
have it done by a professional heat treating
facility. BTW: My tail wheel strut is
.120 wall 4130 heat treated to 48RC. Weight is about the same as the
alum 7075 legs. Please pardon my rambling. I
tend to do this as I age. ;-) john hmkIIITitus, Alabama From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf
Of Charlie England
Sent: Monday, October 30, 2017 11:20 AM
To: kolb-list@matronics.com
Subject: Re: Kolb-List: Re: First Flights
Completed! Yet another reason to fly off
grass until comfortable in the a/c. :-) On Mon, Oct 30, 2017 at 11:07
AM, RoHam <RoHam903@gmail.com>
wrote:--> Kolb-List message
posted by: "RoHam" <RoHam903@gmail.com>
Thanks for the response,
As far as moving my brake petals,that's not a priority
to me. I learned the hard way where my heels belong and
comfortable taking off or landing without being in
position for braking. Only feel I need them for taxiing. I
will try to straighten gear when it seems to get worse. Mine
is between Richards #3 & 4 pictures. I'll see how it
goes. Just hoping to get more flying in before the
winter sets in, then I'll make repairs /
improvements.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=473971#473971
Attachments:
http://forums.matronics.com//files/first_landing_623.png
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Subject: | Rotax 503 GHT probe Question |
Looking over my motor and found I had oil leaking around the plug with the cht
probe on it. Should the original plug gasket be with these probes or discarded?
Anyone ever use a different location for probes, such as a head bolt? wondering
how to remedy [Question]
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http://forums.matronics.com/viewtopic.php?p=473978#473978
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Subject: | Re: Rotax 503 GHT probe Question |
My 503 has similar leakage on the rear cyl. as well. To my knowledge, it has done
this since I brought it home, about 80 eng. hrs. ago. I get a film on the shroud
below the head on the Carb. side. It wipes right off...........
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=473988#473988
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Subject: | Re: Rotax 503 GHT probe Question |
Similar application, good ideas. http://inventions.aerocorsair.com/id77.htm
>From the Challenger page: http://challengers101.com/CHT_Sensor.html
--------
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
Forgiving is tough, being forgiven is wonderful, and Grace really is amazing.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=473990#473990
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Subject: | Re: First Flights Completed! |
Congratulations Bob!
--------
2007 Firestar 2 503 N203SD
Moster 185 Flattop PPG/Sky K2 Paraglider
Trike Buggy Soaring Trike & Northwing Stratus XP
Read this topic online here:
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