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Old 06-11-2003 | 06:46 PM
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IFlyEm35
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Default OS 120 engine for a SIG 4*60
I have had 4* 60s with everything from OS 91, YS 91AC and a YS 1.20 NC. With the YS 120 it flew great. But throttle management MUST be used. I got a little fast and the ailerons fluttered stripping out both servos. An OS 120 should be comparable to the YS 91AC. Just remember the throttle stick.
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