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Heli Wholesaler . 3D Heli Depot . JR-Spektrum

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Main Discussion > Clutch help
 
 
EChapkis
Veteran
Location: Tampa, FL

Today on my GPH I was doing a lot of idle-up 2 tumbling and when it came time to land, I switched to normal, started to land and as I brought the thottle down, my head speed didn't come down. It started to slow down some, and I was able to get it down and kill the engine.

What happed was the throttle arm off the OS 46SF actually broke, probably broke off completely when I killed the engine, so the throttle barrel was open at a certain point. I went to the LHS and bought a new arm and installed it. Went to test the throttle and the engine would not engage the clutch. At about 1/2 throttle the rotor would start to slowly move.

I pulled the clutch out. The shoe itself appears to be discolored on the sides but looks like the fit to the liner/bell housing is ok. So, is it the clutch shoe, the liner, or something else.

When I did restart the engine, the engine did have a higher pitch to the sound. I also noticed that the engine didn't seem to have a whole lot of compression anymore, although I do not know how much it had before for comparison. The engine is the ringed version of the OS 46SF.

Any help is appreciated.

Evan Chapkis Tampa, Florida
04-01-2002 Over year old.
 
 
Doug
Elite Veteran
Location: Naples Florida....

Not enough info to figure out what is going on. What broke the throttle arm? Vibration, broken loose motor mount? Is the liner "dry"? Pull the engine and pull the back plate off, look at the rear bearing. Does the engine turn smooth with the glow plug removed?
04-01-2002 Over year old.
 
 
oldfart
Elite Veteran
Location: Vancouver, Canada

problem

Check that the auto bearing is not slipping.
04-01-2002 Over year old.
 
 
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Main Discussion > Clutch help
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