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HelicopterJS Model TZ Shark, 3d Frenzy › OS 70szh in a frenzy 90...
09-01-2012 03:26 PM  5 years agoPost 1
3kidzheli

rrVeteran

columbia, ms usa

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Can someone tell me what it will take to run this motor in a 90? Would it just be a different pinion? If so what tooth would be recommended? I have this motor just lying around and want to put it in a frenzy just to have something else to fly. I know it won't be a power house but I'm ok with that.

There is no such thing as up, it's all out...

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09-06-2012 04:18 PM  5 years agoPost 2
MartyH

rrProfessor

USA

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You'd be looking for gearing at 9.3 to 1. The Raptor 60 uses a 10 tooth pinion and 93 tooth main gear. I would think you'd want to emulate that on the Frenzy 90. Even on a my tank of a Raptor 90 size heli with the 9.3:1 gearing and anything from 680mm-700mm blades, the OS70 is very nice. The Frenzy should be significantly lighter. If you plan hard core 3D nothing less than a 90 will do but otherwise, I loop, roll, fly around inverted, toss and tumble my OS70 powered Raptor 90.

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