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HelicopterKyosho Caliber/Quest Neo-Caliber series › question about caliber 5 with 4 stroke engine ?
03-20-2009 04:26 AM  8 years agoPost 1
WarLion

rrNovice

mexico

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i have the caliber 5 with a os 50h hyper , but i like to know if i can change the engine to 4 stroke engine im not sure if the heli chan handle this configuration any ideas or help will be apreciate.

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03-20-2009 12:32 PM  8 years agoPost 2
heli-cuzz

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Pittston, Pa. USA

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The problem with a four stroke in a heli is the engine rpm is to low for the gear ratio intended.
Unless you can get a four stroke to spin somewhere in the 17,000+ rpm range then you'd be able to use a four stroker.
I'd stick with the hyper50.

Fury 55 NIB Furion6 CGY750 fbl helicopter-Frenzy CGY750 fbl nitro-Frenzy fbl NOBAR90

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HelicopterKyosho Caliber/Quest Neo-Caliber series › question about caliber 5 with 4 stroke engine ?
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