hey wild3dfunfly, read the posts! my rates are below the recommended low rates, and i have expo on them as well. There is no way to get even close to 3D rates or even high rates! My opinion is there was batch of bad wings produced and those of us with the problems have the bad wings. If you got a true straight wing, no problems. The snapping problems are all from airfoil variances or twisted panels or something along those lines, or maybe the wing is flexing in flight. I know after 5 or 6 flights my covering is stretched and i have to reshrink. This last time all the wrinkles, in the right hand panel only, were at a 45 degree to the leading edge all in the same direction. If I twisted the tip backwards, all of the wrinkles left, interesting, huh? I believe the structure is twisting in flight.