Today's Message Index:
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1. 03:26 PM - Landing Gear Transmission Question (Eric Ulmer)
2. 03:52 PM - Re: Landing Gear Transmission Question (Robert J. Mayer)
3. 04:01 PM - Re: Landing Gear Transmission Question (Eric Ulmer)
4. 06:02 PM - Re: Landing Gear Transmission Question (Randy L. Thwing)
Message 1
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| Subject: | Landing Gear Transmission Question |
--> Beech-List message posted by: Eric Ulmer <b35@bonanza.aviator.cc>
Hey guys,
My B35 landing gearbox has some play in it, and appears to need a rebuild.
When the gear is run to a midpoint and you push/pull the maingear the
mains also move and you can see the tube on the gearbox turn slightly.
Seems to be play inside the transmission there. Mechanic indicates
that down lock and up loads cant be adjusted to spec with that play in
there.
Anyone here have this done, and approx how much did it cost you to have
done?
Can the gears be replaced in the field, or best done by a specialist?
Did you/should a person have the electric motor rebuilt at the same time?
Tx,
--Eric
B35
Message 2
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| Subject: | Re: Landing Gear Transmission Question |
--> Beech-List message posted by: "Robert J. Mayer" <rjmayer1@adelphia.net>
Eric-
Hopefully my experience will be of some help.
I had a bent shaft in my gearbox, straight '35. The mechanic sent box for
repair at Cruiseair in Ramona, California, and for the measly sum (????) of
just $2,500 I had the box rebuilt. The mechanic did not rebuilt the motor at
the same time.
I was always of the opinion that this guy knew what he was doing, and the
box worked well after the repair.
Good luck,
Rob
Message 3
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| Subject: | Re: Landing Gear Transmission Question |
--> Beech-List message posted by: Eric Ulmer <b35@bonanza.aviator.cc>
Thanks for your info, Rob
Hey, how long did it take for them to turn it around?
On Sat, 14 Feb 2004, Robert J. Mayer wrote:
> --> Beech-List message posted by: "Robert J. Mayer" <rjmayer1@adelphia.net>
>
> Eric-
> Hopefully my experience will be of some help.
> I had a bent shaft in my gearbox, straight '35. The mechanic sent box for
> repair at Cruiseair in Ramona, California, and for the measly sum (????) of
> just $2,500 I had the box rebuilt. The mechanic did not rebuilt the motor at
> the same time.
> I was always of the opinion that this guy knew what he was doing, and the
> box worked well after the repair.
> Good luck,
> Rob
Message 4
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| Subject: | Re: Landing Gear Transmission Question |
--> Beech-List message posted by: "Randy L. Thwing" <n4546v@mindspring.com>
The transmission consists of worm and ring gear. Beech calls the ring gear
portion the "sector gear" which is driven by the worm gear, which has the
motor gear reduction box attached to one end and the manual crank attached
(or disengaged) from the other end. I don't have my books available here,
but it is important with ring and worm sets to limit the "end play" of the
worm gear, otherwise it will slide laterally back and forth in it's bore as
pressure is applied in a reverse direction from the ring gear and give the
appearance of worn gears. I don't recall how Beech addresses end play, but
it is worth checking. If you need an illustration of how worm gears work
look here:
http://auto.howstuffworks.com/gear-ratio4.htm
If I'm not describing this adequately, please respond and I will try to do
better.
Regards,
Randy L. Thwing, Las Vegas, Straight 35
Subject: Beech-List: Landing Gear Transmission Question
> My B35 landing gearbox has some play in it, and appears to need a rebuild.
> When the gear is run to a midpoint and you push/pull the maingear the
> mains also move and you can see the tube on the gearbox turn slightly.
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