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08-12-2007 07:52 PM  10 years agoPost 1
T 3d

rrApprentice

Boston Mass

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Whats the best engine for a fury extreme whith a 8.45 gear ratio 90 size heli and is 30% fuel the way to go

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08-13-2007 12:44 AM  10 years agoPost 2
Thomas L Erb

rrKey Veteran

Alliance ohio

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that is your choice to make as far as brand. 8.45 great for os but ratio change not hard or expensive. also what motor plate you have may help you with decision. get what you can get and what you can get help with if needed. Tom

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08-13-2007 01:34 AM  10 years agoPost 3
cdrking

rrElite Veteran

Seattle

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YS91

To hover is divine, the alternative is rather PLANE.

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08-13-2007 03:34 AM  10 years agoPost 4
tima001

rrNovice

russia, krasnogorsk

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YS 91

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08-13-2007 05:47 AM  10 years agoPost 5
T 3d

rrApprentice

Boston Mass

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ys

why a ys i had nothing but problems with my ys 91 st.

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08-13-2007 01:47 PM  10 years agoPost 6
jester4

rrKey Veteran

Brampton, Ontario

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8.45 gear ratio is good for YS 91ST.
I think the newer SR likes 8.2 (?)

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