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Old 01-04-2009, 07:54 PM
stuntflyr's Avatar
Join Date: Oct 2007
Location: Tucson, Arizona
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Default RE: Sterling Spitfire

Hi Dick,
I didn't realize that the zero lift angle was so low on the 23000 series airfoil. I guess these guys knew what they were doing. The stab angle should be a little bit more than the wing, I guess? 2 degrees will get it?

If this is the case, what, if any benefit could I derive from setting the wing to +1 and the stab to +3 or even +2? I'm thinking better inside to outside balance, better slow roll coordination and more predictable slow speed, high speed trimming.

Whadda' you think? Stock, or lower them a bit? I'm planning on balancing it at about 28 to 30% MAC. Good, too far forward?