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Old 03-13-2003 | 02:25 AM
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4*60
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From: Shuswap, BC,
Default OS61FX four stroke equivalent
Quote:"The Y-S 91 is more powerful, heavy, and cost more than the other engines with the exception of the Saito 100"

Actually the YS91AC I had on my 4*60(decided I didn't need outta sight unlimited vertical) weighed the same as the TT.61 2 cycle and I needed no adjustment in balance to fly with the 61.
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