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frank-margie(at)worldnet.
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 Posted: Sat May 06, 2006 6:27 pm Post subject: Slipper Clutch |
 |
|
[REF:]
ASSUMED
| that it was a centrifugal clutch that would lock up at high RPMs.
Tell me
| more about how it works.
|
| Rick Neilsen
No sir. One of those slipper clutches is the last thing I would want
to fly with on an airplane. They worked ok on my oldest brother's
Cushman motor scooter back in the 40's, and on my chain saw and weed
eater today. But don't think I want to go whizzing around in the air
with one.
Prior to the slipper clutch, the anti-torsional vibration dampening
was accomplished through a "dog and ramp" system under a lot of
pressure exerted by a number of very large domed spring washers. The
valleys, between the ramps were very narrow.
The slipper clutch uses a similar system with a few changes.
1-Valleys between ramps are much wider.
2-A multi-disk clutch pack which is spring loaded, is added to the
system. This clutch actually slips a little when necessary to assist
in dampening torsional vibration. Not only on start up and lower
speeds, but throughout the rpm range of the engine.
The slipper clutch works great. It needs to be inspected
periodically, like 400 to 500 hours. I need to fly down to Ronnie
Smith's and let him reshim mine to bring it back to specs if it has
loosened up enough to require the adjustment. Probably have to wait
until after MV before I will have time to get down there.
Hope this explain the difference between the slipper and the
centrifugal clutches.
john h
hauck's holler, alabama
-----------------------------
John,
Who is the Mfg? Rotax? Does it fit INTO the gearbox (sounds that =
way, but--)? Cost? Will it fit the 503/B-box engines?
Tx,
Frank Clyma
do not archive
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
|
| Posted: Sun May 07, 2006 7:28 am Post subject: Slipper Clutch |
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|
Will it fit the 503/B-box engines?
|
| Tx,
| Frank Clyma
Frank/Gang:
The clutch is an integral part of the anti-torsional vibration system
for the 912 series only.
john h
mkIII
Mobile, Alabama
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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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