I was thinking the 2X minimum edge distance was okay. But knowing the HS 710 was critical to the horizontal stabilizer and reading that 2.5 was "Best" had me wondering. I don't mind doing the parts over but didn't want to proceed and then have all those rivets to drill out if a redo was in order. Th...

Don't let the name fool anyone. Aircraft Shop 487 is just what I wanted to call my shop. Aircraft construction is all new to me. I have started work on my rv 7a. My problem. When drilling the hs 405, hs 702, hs 404 and the hs 710 the hole came out in the hs 710 on the minimum edge distance (2X rivet...