This time I step drilled the hole in the flange first, by using a series of about 6 different standard type drill bits, until I got to the 1/4 inch mark. then I switched to the dreaded unibit and went very slowly to ensure I did not overdrill or distort the hole. It came out fine this time - tested hole clearance with one of the rod end bearings and it fits in there almost perfect. I decided I really do not like the unibit for precision drilling activities. I would much rather step drill the hole with normal drill bits.Unibits are OK if final hole size and postion is not too critical. I'll post pics tomorrow as it is getting late and I am tired.
Rudder frame and skins will get drilled, dimpled, and hopefully primed before the weekend is out - and maybe even some rivets...... :)
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