RunRyder - tail rotor and belt drive advice

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e-Mikado Logo 400 500 600 > tail rotor and belt drive advice

deepak kirpalan
Heliman
Location: Trinidad and Tobago

Hey folks,
Another issue I need some advice on.
On the tail rotor system. When I adjust the belt I pull it tight s there is very little play on the end of the tail boom. By this I mean I can hardly pinch any slack on the belt. I doing so I find that the belt sits on the drive pulley properly. By this I mean the belts teeth fit properly into the grooves of the pulley.
However when I fly it does not run true. In other words if you bring the heli into a hover at a close range you can see that the belt has a slight wobble on the drive pulley. In Other words the belt has shifted some and does not mesh the pulley anymore. Also while thumbing the tail rotor blades around the movement seems to bind somewhere in the revoloution before it runs free again.
What do you think is causing this. The belt to move in the pulley and the difference in thumbing feel?
Kindly let me know
Thanks
D

05-07-2008 11:52 PM

kogibankole
Senior Heliman
Location: albuquerque

what do you mean by some of it doesnt mesh with the pulley anymore?

if im not blade bogging youll find me pack puffing

05-08-2008 12:30 AM

deepak kirpalan
Heliman
Location: Trinidad and Tobago

mesh with pully

Does not sit right. it is some what off. not as it was when all teeth mesh in spaces in drive gear.
Dont know how to make it any clearer than that

05-08-2008 12:56 AM

OICU812
rrProfessor
Location: Resources Capitol, Canada

Are you 100% certain you have only (1) twist in the belt inside the boom?? Having more than one twist can create a bind feel as well throw the belt tracking off.

...Once upon a time there were Nitros, flybars and frequency pins...

05-08-2008 01:33 AM

deepak kirpalan
Heliman
Location: Trinidad and Tobago

no. of turns in belt

Hey Shawn,
Not 100% sure. Will check. Thanks
D

05-08-2008 01:36 AM

deepak kirpalan
Heliman
Location: Trinidad and Tobago

no . of turns in belt

Hey Shawn,
Yeah, I checked the tail rotor belt. I re installed it and now it feels like it should. Perhaps you were right and there was one to many turns in the belt. Will fly this evening and see how it works.
Thanks
D

05-09-2008 03:42 PM

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e-Mikado Logo 400 500 600 > tail rotor and belt drive advice

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