ORIGINAL: TimC
rcjon, when I was assembling my Twist, I took a chance and installed my four-stroke right at the 4.25" mark. When I finally checked the c.g., it came out right at 5". It doesn't seem too tail heavy at 5". If yours is at 5", I'd go for it. And if you wreck it, I'll buy you a new one..................................just wait down by the mailbox for it.
After putting the 51 at the end of the beams and adding 2oz of removable weights in the nose, I got CG just ahead of the 5" mark. I hope to maiden on Saturday.
Another question, if I can state it clearly. The wing is symmetrical in profile (looking at the end) narrowing toward the trailing edge, but the aileron has a flat top and a flat bottom. When trimming the ailerons, do you match the top of the aileron with the slope of the top of the wing, the bottom of the aileron with the slope of the bottom of the wing, or just split the difference? It looks wrong in all three configurations.
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Move the stick to the right to bank to the right, move the stick to the left to bank to the left, except when it's the other way around.