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HomeAircraftHelicopterFuel-Helicopters New or Limited ActivityJS › 70 in frenzy 90???
05-15-2011 02:52 PM  7 years agoPost 1
3kidzheli

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columbia, ms usa

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[size=large[size=small]Can an os 70szh be put directly into a frenzy 90 or is it necessary to change the pinion gear or main gear, since the model comes only in 90 I wonder if different gearing is available. Please reply if any info is available! Thanks!

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

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05-15-2011 05:51 PM  7 years agoPost 2
steve9534

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yakima, wa.

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OS70
It will bolt right in but the gearing is numerically low for the motor. I don't think they have any gearing options although the Raptor 90 is similar and a Raptor pinion might fit??? Good luck. steve.

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05-15-2011 06:03 PM  7 years agoPost 3
3kidzheli

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columbia, ms usa

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Thanks, I will check out the eating similarities and see. I have an os 70 laying around.

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05-18-2011 02:03 AM  7 years agoPost 4
MartyH

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USA

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I converted a couple of my Raptor 60's to 90's but use 70 engines. I use the 60's gearing so as was mentioned, if you can use a Raptor pinion to adjust the gearing it will work and you'll burn less fuel.

Marty

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