Today's Message Index:
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1. 03:20 AM - Re: Re:float plans (Malcolmbru@aol.com)
2. 06:25 AM - Re: float plans (planecrazzzy)
3. 06:27 AM - Re: Mk 3 steel main gear legs (Denny Rowe)
4. 09:02 AM - Landing Gear (Marshall)
5. 11:29 AM - Re: Landing Gear (Richard Pike)
6. 12:02 PM - Re: Landing Gear (n27sb@aol.com)
7. 12:30 PM - heat (russ kinne)
8. 12:37 PM - Re: Landing Gear (Jack B. Hart)
9. 12:41 PM - Re: Landing Gear (John Hauck)
10. 12:46 PM - Re: heat (Dana Hague)
11. 12:58 PM - Re: heat (Larry Bourne)
12. 01:09 PM - Re: heat (John Hauck)
13. 01:11 PM - Re: Landing Gear (Dana Hague)
14. 01:44 PM - Re: Landing Gear (Eugene Zimmerman)
15. 02:16 PM - Re: Landing Gear (Dana Hague)
16. 02:30 PM - Re: Landing Gear (John Hauck)
17. 03:00 PM - Re: Landing Gear (Bob Noyer)
18. 03:38 PM - Re: Re: float plans (Malcolmbru@AOL.COM)
19. 04:32 PM - Re: float plans (planecrazzzy)
20. 07:01 PM - Re: Landing Gear (R. Hankins)
Message 1
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any body want a set of float plans??? they are not that expensive to build
andthey are less than $500 each you can pay as you go . malcolm. michigan.
old kolb flyer
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Hi,
What is the material used to build the floats ? Weight ?
Gotta Fly...
Mike & "Jaz" in MN
.
.
.
.
[quote="Malcolmbru(at)aol.com"]any body want a set of float plans??? they are
not that expensive to build andthey are less than $500 each you can pay as you
go . malcolm. michigan. old kolb flyer
> [b]
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Do Not Archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=92569#92569
Message 3
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| Subject: | Re: Mk 3 steel main gear legs |
Richard,
E-mail me off list so I have your address and phone #, I am leaning
toward buying your gear legs for spares but have to talk it over with my
partner Jay first.
Denny
----- Original Message -----
From: Richard Girard
To: kolb-list@matronics.com
Sent: Friday, February 02, 2007 11:04 PM
Subject: Re: Kolb-List: Mk 3 steel main gear legs
Had to dig out my receipt to get the answer to this one. Yes, I really
don't like Azusa brakes, although that's what's on my plane now.
Rick
On 2/2/07, Denny Rowe <rowedenny@windstream.net> wrote:
Are these set up for Matco brakes?
Denny Rowe
----- Original Message -----
From: Richard Girard
To: kolb-list@matronics.com
Sent: Friday, February 02, 2007 7:36 PM
Subject: Re: Kolb-List: Mk 3 steel main gear legs
Colder than a well digger's knee caps here, I woosed out last
night, but got a picture today. Still in TNK tape and factory insert up
to here lines.
Rick
On 2/1/07, Denny Rowe <rowedenny@windstream.net> wrote:
Are "these"
----- Original Message -----
From: Denny Rowe
To: kolb-list@matronics.com
Sent: Thursday, February 01, 2007 2:50 PM
Subject: Re: Kolb-List: Mk 3 steel main gear legs
Are this legs for a Mk-3 Classic?
Do you still have them?
Pic?
Denny Rowe
rowedenny@windstream.net
----- Original Message -----
From: Richard Girard
To: kolb-list@matronics.com
Sent: Saturday, January 27, 2007 11:44 AM
Subject: Kolb-List: Mk 3 steel main gear legs
When I was in the midst of main gear straightening caused by
my horrible landing technique, I thought the way out was TNK's steel
gear legs. Now that I am pretty happy with my landings, I know I'm not
going to install them. $350 for the pair, plus shipping.
Rick
--
Rick Girard
"Ya'll drop on in"
takes on a whole new meaning
when you live at the airport.
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Date: 1/26/2007 11:11 AM
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Date: 1/31/2007 3:16 PM
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Rick Girard
"Ya'll drop on in"
takes on a whole new meaning
when you live at the airport.
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Date: 2/1/2007 2:28 PM
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Rick Girard
"Ya'll drop on in"
takes on a whole new meaning
when you live at the airport.
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2/2/2007 11:39 PM
Message 4
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Hi Kolbers,
Even thought I am working on a Firefly and trying to keep it legal, I think that the Grove aircraft landing gear system is worth a look for most aircraft applications. http://www.groveaircraft.com/index.html
http://www.groveaircraft.com/landing_gear.html
Also take a look at the http://www.zenithair.com/stolch701/7-design-gear.html spring landing drop test curiosity of http://www.zenithair.com/ (a great aircraft and design).
Thank you, Marshall Watkins
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=92611#92611
Message 5
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| Subject: | Re: Landing Gear |
I had the pleasure of being at Oshkosh and watching when Zenair first
introduced the CH 701, it was making short field takeoffs and landings, and
they did a max performance short field landing - the main gear spring attach
brackets broke and the main gear leaf spring ripped loose and folded back,
dumping the tail on the ground, and leaving the airplane sitting in the
middle of the runway looking very forlorn. A bunch of Zenair guys promptly
ran onto the field, picked it up and hustled it into immediate repairs
before too many potential customers got a look at it. They had it flying
again that afternoon, but the short field/quick stop landings were a lot
less aggressive. So if you put a leaf spring gear on your Firefly, don't use
just any old Zenair brackets you might have lying around...
Richard Pike
MKIII N420P (420ldPoops)
do not archive
PS - I have an old Zenair CH 701 radiator out in the hangar. Anyone wants it
can have it for the cost of shipping. Beware - it is BRASS and weighs a ton.
----- Original Message -----
From: "Marshall" <fireflyaircraft@att.net>
Sent: Saturday, February 03, 2007 12:01 PM
Subject: Kolb-List: Landing Gear
>
> Hi Kolbers,
>
> Even thought I am working on a Firefly and trying to keep it legal, I
> think that the Grove aircraft landing gear system is worth a look for most
> aircraft applications. http://www.groveaircraft.com/index.html
> http://www.groveaircraft.com/landing_gear.html
>
> Also take a look at the
> http://www.zenithair.com/stolch701/7-design-gear.html spring landing
> drop test curiosity of http://www.zenithair.com/ (a great aircraft
> and design).
>
> Thank you, Marshall Watkins
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=92611#92611
>
>
>
Message 6
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| Subject: | Re: Landing Gear |
A really nice wheel and brake system for the Firefly and other Kolbs is available from www.flyfbi.com
It is an overlooked option that is better than anything I have seen. I don't need
wheels or brakes so I have not tried it.
Steve
FF 007 on floats
-----Original Message-----
From: fireflyaircraft@att.net
Sent: Sat, 3 Feb 2007 12:01 PM
Subject: Kolb-List: Landing Gear
Hi Kolbers,
Even thought I am working on a Firefly and trying to keep it legal, I think that
the Grove aircraft landing gear system is worth a look for most aircraft
applications. http://www.groveaircraft.com/index.html
http://www.groveaircraft.com/landing_gear.html
Also take a look at the http://www.zenithair.com/stolch701/7-design-gear.html
spring landing drop test curiosity of http://www.zenithair.com/ (a great
aircraft and design).
Thank you, Marshall Watkins
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=92611#92611
________________________________________________________________________
Message 7
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Kolbers
I saw some recent posts about taking lumbar supports from car seats &
installing them in a Kolb -- great idea for long flights. But I got
to thinking -- many car seats now are HEATED by a 12-volt system. Now
that's either luxurious, pampering, overkill, sensible, whatever --
but it would be easy to do & would feel SO good on a cold morning or
night flight. There are tons of Subaru's around, & most any junkyard
should have one or two. Others, like Volvo';s, may be harder to find.
I can't see any dangers here.
Worth a try?
Russ Kinne
Message 8
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| Subject: | Re: Landing Gear |
At 09:01 AM 2/3/07 -0800, you wrote:
>Even thought I am working on a Firefly and trying to keep it legal, I think that the Grove aircraft landing gear system is worth a look for most aircraft applications. http://www.groveaircraft.com/index.html
> http://www.groveaircraft.com/landing_gear.html
>
Marshall,
If you are trying to save some weight, stay with the Kolb aluminum legs. I
weighed one and it came out to 2 pounds 6.6 ounces.
Jack B. Hart FF004
Winchester, IN
Message 9
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| Subject: | Re: Landing Gear |
the Grove aircraft landing gear system is worth a look for most
aircraft applications. http://www.groveaircraft.com/index.html
Hi Marshall:
Looked at a lot of different gear legs for Kolbs since 1984. Spring
aluminum gear was one of them. However, there are cheaper and better
ways to go. Aluminum can only be hardened to 7075 (correct me if I am
wrong), ends up weighing a ton, and very expensive.
I use tubular 4130 heat treated to 48 RC. Have been flying with it
for 20 years and many thousand hours. Has been thoroughly proven
through many thousands of landings. A lot of them not too purty.
Some folks say aluminum is better because it will not tear up the
fuselage during a hard landing. I have been able to tear up fuselage
with aluminum as well as steel. If you hit hard enough you will
probably bend the cage with either.
Tubular steel is much lighter than the Grove gear. 25 to 35 lbs is
heavy. I think, IIRC, when we built the steel gear for my mkIII, it
was the same weight as the solid rod aluminum legs.
For what it is worth,
john h
mkIII
Message 10
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At 03:27 PM 2/3/2007, russ kinne wrote:
>...many car seats now are HEATED by a 12-volt system....it would be easy
>to do & would feel SO good on a cold morning or
>night flight....
How 'bout heated clothing (popular with the motorcycle crowd):
http://www.gerbing.com/
Or, for the do it yourselfer:
http://home.mebtel.net/~rbutterfield/Heat.html and
http://www.shadowriders.org/faq/electricvests.html
-Dana
--
--
Wernher von Braun settled for a V-2 instead of a V-8.
Message 11
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You'll want to do some careful measuring, Russ. When I was making that
choice for Vamoose, I HAD to have this really nice racing dune buggy seat,
with full suspension and the whole 9 yards. So I bought it - something like
$300.00 or more, brought it home.......and it was too big. Could NOT make
that thing fit, no matter what I did. And the seller didn't want to refund
my money. Had a heck of a time with him, but finally did work it out.
Lar. Do not Archive.
Larry Bourne
Santa Fe, NM
www.gogittum.com
----- Original Message -----
From: "russ kinne" <kinnepix@earthlink.net>
Sent: Saturday, February 03, 2007 12:27 PM
Subject: Kolb-List: heat
>
> Kolbers
> I saw some recent posts about taking lumbar supports from car seats &
> installing them in a Kolb -- great idea for long flights. But I got to
> thinking -- many car seats now are HEATED by a 12-volt system. Now that's
> either luxurious, pampering, overkill, sensible, whatever -- but it would
> be easy to do & would feel SO good on a cold morning or night flight.
> There are tons of Subaru's around, & most any junkyard should have one or
> two. Others, like Volvo';s, may be harder to find. I can't see any
> dangers here.
> Worth a try?
> Russ Kinne
>
>
>
Message 12
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|
| -Dana
|
Dana:
I have been using a Chilli Vest, 12VDC, digital electronic thermostat,
water proof, since 2000. Made 2.5 flight to the Arctic with it.
Works great on the 912ULS electrical system. Keeps me nice and warm
without all the bulky clothing I wore on previous Arctic trips.
Available at Sargeants Cycle Parts:
http://www.sargentcycle.com/chillivest.htm
john h
mkIII
Message 13
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| Subject: | Re: Landing Gear |
At 03:34 PM 2/3/2007, John Hauck wrote:
>
>...Aluminum can only be hardened to 7075 (correct me if I am
>wrong), ends up weighing a ton, and very expensive...
7075 isn't a hardness level, it's an alloy. The hardness spec is a dash
number, e.g. 7075-T6. I don't have the numbers handy but 7075 (at any heat
treat level) is quite strong, nearly as strong as unhardened 4130, but it's
susceptible to stress corrosion cracking (cracks start around holes in
stressed areas, or from scratches or nicks). Aluminum has a better
strength to weight ratio than steel, but it's more difficult to weld and
repair (some alloys can't be welded at all).
>Some folks say aluminum is better because it will not tear up the
>fuselage during a hard landing. I have been able to tear up fuselage
>with aluminum as well as steel. If you hit hard enough you will
>probably bend the cage with either.
Exactly. The ideal gear, I guess, is just slightly weaker than the
fuselage attachments.
One advantage (which could also be a disadvantage depending on the
situation) aluminum does have is that the modulus of elasticity is 1/3 that
of steel... which means that all other things being equal it'll flex
farther than steel of comparable strength before breaking (or staying bent).
-Dana
--
--
Wernher von Braun settled for a V-2 instead of a V-8.
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| Subject: | Re: Landing Gear |
Wouldn't "1/3 that of steel" mean exactly opposite of what you said?
The modulus of elasticity of steel is greater than aluminum?
,
On Feb 3, 2007, at 4:07 PM, Dana Hague wrote:
> One advantage (which could also be a disadvantage depending on the
> situation) aluminum does have is that the modulus of elasticity is
> 1/3 that of steel... which means that all other things being equal
> it'll flex farther than steel of comparable strength before
> breaking (or staying bent).
Message 15
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| Subject: | Re: Landing Gear |
That's what I said... aluminum's modulus is 1/3 that of steel; steel has 3X
the modulus of aluminum... thus steel takes 3X the force to bend the same
amount (until the elastic limit is reached)... or put the other way, for
the same force aluminum will bend 3X as much. If the breaking force is the
same, that means the aluminum will bend 3X as much before breaking.
-Dana
-Dana
At 04:43 PM 2/3/2007, Eugene Zimmerman wrote:
>Wouldn't "1/3 that of steel" mean exactly opposite of what you said?
>The modulus of elasticity of steel is greater than aluminum?
> ,
>On Feb 3, 2007, at 4:07 PM, Dana Hague wrote:
>
>>One advantage (which could also be a disadvantage depending on the
>>situation) aluminum does have is that the modulus of elasticity is
>>1/3 that of steel... which means that all other things being equal
>>it'll flex farther than steel of comparable strength before
>>breaking (or staying bent).
do not archive
--
--
Wernher von Braun settled for a V-2 instead of a V-8.
Message 16
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| Subject: | Re: Landing Gear |
steel has 3X
| the modulus of aluminum... |
| -Dana
Sorry.
You guys are way over my head. I don't know one modulus from the
other, but my gear works great. Been there and done that.
I do know that 4130 makes a hell of a better spring than 7075-T6. We
adjust the size, shape, and hardness to get the spring we want. I can
do that with 4130, but not 7075.
Steel springs are much more common than aluminum springs. Wonder how
come?
john h
mkIII
Message 17
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| Subject: | Re: Landing Gear |
There once was a modulus named Young
From whom all landing gear sprung.
But one bad day,
While alighting in hay,
The Kolb legs turned softly to dung.
regards,
Bob N. FireFly 070 Old Kolb
http://www.angelfire.com/rpg/ronoy/
DO NOT ARCHIVE
Message 18
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I have been building the Zenair 950 LB float the plans are not in
publication any longer. I got mine from a kit fix flyer in Texas it includes
550,750
950 and 1150 it is a nice float, all allouminom.I sent a set to another
kolber this week. he is a machinist and may start building a set of retracts
systems from the plans. if anyone want's to take a set of plans and clean them
up that would be great. they need a lot of work to bring them up to a
modern standerd most mesurments are in metric malcolm michigan
Message 19
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Hi,
So the plans aren't just Floats , their Amphibious right ?
Do you have to "snail mail" or can you e-mail ...?
I'd like to look at the plans....
Gotta Fly...
Mike & "Jaz" in MN
--------
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Do Not Archive
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http://forums.matronics.com/viewtopic.php?p=92722#92722
Message 20
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| Subject: | Re: Landing Gear |
Steve et al,
I have looked at the FBI Black Max brakes online, but haven't talked to anyone
who has used them or even seen them first hand. Have you got a chance to look
at them in person? They sound great and the price is right. I down-loaded their
installation manual and like the well thought out instructions and photos.
Has anyone on the list seen a set of these? AC Spruce is listing them on their
web site.
Brakeless in Oregon
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