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08-06-2007 02:48 PM  10 years agoPost 1
heli3000

rrNovice

Germany

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Hi guys,
I have a YS 91ST at the moment ready for installing in my Airskipper.
What gear ratio do you recommend for the Airskipper? I've heard the engine likes 8.45, but the standard ratio is 8.0

Where do you guys get the other gear ratio?

Cheers!

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08-06-2007 04:31 PM  10 years agoPost 2
oldboldpilot

rrKey Veteran

Southern California

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heli3000,

8.0 gear ratio would be for F3C maneuvers (with the YS engine), 8.45 would be for 3D.

You can buy a main gear/pinion gear combo to provide 8.45..

Helis are Man's Defiance of the Laws of Nature - OCHC

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