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Model Differences

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TxSkyBolt

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I am casually thinking of moving into an S1 and just had a few questions. Thought I needed an S, but there are a couple of Cs in my state currently for sale. One is built on an S fuselage with O360 and the other a stock C with 0320. Other than the flat bottom wings, no upper aileron and the one with the smaller engine, what are some of the other differences between the C and S. Given the smaller engine on the C, would I be satisfied with the performance? I clock in at about 200lbs.

What might the roll rate differences be between the 2 and 4 aileron wings?

thanks in advance for any insight.
 

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