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HelicopterEngines Plugs Mufflers Fuel › YS 80 or YS 91
12-16-2003 08:40 PM  14 years agoPost 1
Airbuzzer

rrNovice

Germany

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Hi !

Which ob these two engines would you suggest for a Fury Extreme ? Are there many differences ?

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12-16-2003 08:58 PM  14 years agoPost 2
greger

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Mesa, AZ

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YS 80 has been discontinued... go with the 91.

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12-17-2003 09:11 AM  14 years agoPost 3
Alistair

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no where land

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if you're going to get a big block, then get a big block

91

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12-17-2003 11:43 AM  14 years agoPost 4
Tom Carne

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Western Australia

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The YS 90 is probably the way to go. I have to 80 engines and although they are great and produce more power than I can make use of it does appear that they are near the end of the run with the 80. The 90 has a bit more torque, so you could go with the low gear ratio and reduce the noise. Some nice 720 blades as well.

No rain on flying days:)

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HelicopterEngines Plugs Mufflers Fuel › YS 80 or YS 91
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