49dimes, I fly electric so removing the canopy is a frequent occurrence. On a slipstream 30cc RV8 I removed the blind nuts for the canopy screws and glued in magnets to hold the canopy screws. Huge improvement for me.Neat idea but like others I have never had an issue using rubber washers underneath the steel washers. Even the canopy.
Speaking of canopy! Now here if you could engineer a quick release like a quarter turn device that would be awesome. I hate two canopy screws much less SIX!