G/box

by Robert Musgrave in 912 / 914 Technical Questions 12 years ago

Could someone enlighten me on what material the plastic looking thrust washer in the propellor gearbox on 912's is made of, and why is it so darn expensive?? :(

Regards Robert

Re: G/box

by MARK JACKSON » 12 years ago

MARK JACKSON

12 332 11

Hi Robert

I know what you mean, mine has just failed. I had a few bad starts and decided to check my friction torque which was way down.

I stripped the gear box and found it had broken in half. One half was in the box, the other half had vanished.

As well as a new washer, it costs an oil change and filter.

Mark.

Thank you said by: Robert Musgrave

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Re: G/box

by Roger Lee » 12 years ago

Roger Lee

128 5.27k 4.95k

Hi Robert,
I believe it is Delrin, but don't quote me on that. Your right the plastic doesn't cost that much. I used to use a lot of it in my Mfg.

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell

Thank you said by: Robert Musgrave

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G/box

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