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HelicopterThunder TigerOther › converted Raptor 60 to a 91
06-02-2004 08:51 AM  13 years agoPost 1
Jet-hobby2639

rrNovice

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Need to have memory refreshed on the teeth ratio for main gear and pinion gear. would appreciate any help. Had totally forgotten if a difference occurs.

thanks

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06-02-2004 11:26 AM  13 years agoPost 2
Darksider

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Derby United Kingdom

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depends on what engine your using, if it's an os i'd recommend either 7.92, 95t main gear and 12t pinion, though u need to elongate the holes in the frame a bit for this to work, or 8.27, 91t main gear and 11 tooth pinion, if it's a YS91 you should probably use the 8.45 ratio 93t main gear and 11t pinion.

Gareth

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HelicopterThunder TigerOther › converted Raptor 60 to a 91
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