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HomeAircraftHelicopterThunder TigerOther › R50V2 loose clutch bell, and notchy tail
03-29-2005 09:12 PM  13 years agoPost 1
concept1

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Youngstown, OH

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just noticed 2 things on my Rappy 50V2 that have me a bit concerned. 1 the clutch bell is loose, I can slide it up about 1/16 inch, I have not looked into it at all and it almost seems normal since their is only one way it can go in?? and also my tail is "notchy" i just noticed on spool down the tail will bobble up and down just a bit and it seems the belt is notchy, you can hear it in the tail housing,guess I just need to pull the tail apart to take a look, it only does it on spool down, doesn't seem to affect flight. can someone confirm the clutch bell? should or should not move at all?? the start shaft is tight their is no play in the hex coupling at all only the clutch bell moves up.

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03-29-2005 10:31 PM  13 years agoPost 2
pcliftonjr

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Phoenix, AZ

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I can slide it up about 1/16 inch...
You shouldn't have any play in the shaft. Make sure the Starter Coupling is completly engaged on the top bearing. You'll need to drop the engine and push up on the Start Shaft. The allen screws should be on the flats of the shaft
also my tail is "notchy"...
Check the pin in your Tail Rotor Shaft (Tail Pulley). If the allen screw is loose the pin has been known to slide out and hit the Tail Case.

Paul

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03-30-2005 12:56 AM  13 years agoPost 3
Flying Weasel

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Birmingham Al

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I agree with PC, sounds like the starter coupling is not seated properly.
Also, check the pin like he says.
On the tail belt, check and make sure the tension is correct also. If it's too loose, it will bind and be a little notchy. Sounds like it is too loose, when you spool up it tightens, when you spool down it loosens creating a bind.

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03-30-2005 01:39 AM  13 years agoPost 4
HeliKopter Ken

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Gray, LA

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just had the same problem pull the engine and tighten the starter shaft or it will cut the clutch bell in two, and destroy the clutch. I have a raptor 30 and on friday flew a tank, landed and clutch wouldn't grab. shut it down, checked it out and restarted when the clutch bell outter ring fell down and the clutch opened enough to catch on the frame. I would fix that starter shaft soon as possible.

Ken

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03-30-2005 12:55 PM  13 years agoPost 5
J3DI

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Oswestry, Shropshire. UK

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Just had the same problem, had to drop out engine and slacken off the 2 grub screws on the hex starter unit. Then you need to push up on the starter shaft from underneath (no play on clutch bell) while you re-tighten the two grub screws.

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03-30-2005 01:50 PM  13 years agoPost 6
concept1

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Youngstown, OH

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Thanks,
I will take a look tonight. it was to nice last night to pull it apart, had to go fly. flew it till dark, on the tail though it seems to be the belt, it was a bit loose.

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