Chuck,I didn't say I could feel the difference in the Sailaire. It is just bad engineering to put unnecessary weight in outboard wing panels, especially in RES models. Another thing I don't do on my original designs is put wing servos aft of the spar. Bad engineering. I once even had to add weight at the leading edge of the wing near the tip to alleviate a violent wing flutter problem on my cross country sailplane. Another thing I do on my original designs is to design the spoilers to avoid pitch problems when spoilers are deployed. Been doing this for 30 years too. My RES models can be flown with any three channel radio. No mixing required. The Ava and Bubble Dander both are my idea of what an RES model should be except for the spoiler and modern computer radios can take care of that problem.
You are a better flier than I am to feel that difference in of all things a Sailaire, when I watch guys put in 5 pound blocks for ballast and say they fly no different, I cannot imagine that two wing servos would make much of a difference. If set up correctly you get crisper action, more adjustability, and more accurate throws. I am not saying use 2 ounce servos, how about .5 ounce ones with good tight pushrod set ups and that will more than do the job. I will never make another spoiler ship with out this set up, my Skybench Aerotech Legionaire will be next, I will use JR217's to drive them.
Marc
Chuck Anderson
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