Emp.
I learned some things on the emp. When I put together
the HS, I noticed a bit of deflection around the rivets in the skin.
I thought the problem was that I used to much force in the rivet gun.
I later learned that I was under Dimpling. The fix: get some good quality
Spring back dimple dies. (Clevland). You are going to need tank dies for your fuel tanks. Dont waist time, buy them now and use them to dimple the ribs and any structure below the skin. These make a slightly larger dimple and allow the skin to nest better. Don't be shy with a firm wack of the hammer. Don't use a rubber mallet and be sure it's on a firm surface.
You made a smart purchase with the P. squeezer. Next,
Buy a Tungsten bucking bar!! It's all I use in my build. Those two tools
Are essential in my opinion. With a 3 x gun, I find 30-35 lbs works well.
My horizontal Stab is ok, but I know could have been better.