Probably the oldest story in the book. Cracked the canopy while riveting it to the frame this afternoon, but stop drilled it immediately. I will get some weld-on, but was wondering what to plug the hole with. I know RTV isn't a good choice, but wonder what everyone else has used, I was thinking about using a little DAP Alex caulk since it dries clear.
Pic below:

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RV-8 #81077 Super Slow Build
Dynon Skyview HDX, Titan IOX-370, Dual P-Mags, AFP FM200A FI, Whirlwind 200RV CS Prop
First Flight 11/20/2016
www.marksrv8.com