I have fabricated the bracket that attaches the Horizontal Stabilizer to the fuselage. I originally started with a flat piece of 0.040 plate, progressively bent it into a half circle with flanges at each long edge. It was very difficult to get the multiple bends square and ultimately it yeilded a substandard part. I then went to the auto parts store and bought the appropriately sized exhaust pipe, cut it slightly longer than in half, welded the brackets to it and then bent up the edges to create the flat flanges for attatching to the spar of the HS. The first try using the TIG welder ended poorly as I burned through each piece of metal and appliied too much heat, warping each part. I then turned to my flux core wire fed welder and had much better success. I was able to acheive full penetration and a very secure attachment of brackets and tabs. Heat was controlled and the part fit. I found some adjustments were necessary, but I have secure and free movement.