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Thread: 2 or 4 cycle engine
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Old 09-28-2006 | 05:53 AM
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ilasa
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From: Madrid, SPAIN
Default 2 or 4 cycle engine
I've always flown my planes with 2 cycle engines but am considering buying a OS FS91 II Surpass. I have an OS 60 Fx and an OS 91FX and I'm not sure if a 4 cycle OS is as easy to tune and as reliable as the 2 cycle ones.

What 4 cycle OS would be comparable to the OS 60FX and to the OS 91FX for 3D flying?
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