Aluminum flat oval "H" plane, 2.75" x 4.375" x .100" Wall. J Bent 90°.

Aircraft ducting, 7.0" O.D. x .065" Wall on 47.0" C.L.R. x 98 degree of bend.

Too many cooks (experts) can put wrinkles in bending bar stock.

Left alone, Dave pulls a good 90° bend with upsets on both ends. Note hydraulic split die actuator.

Crucial bending of wave guide. Brass rectangular tubing 220 degrees. Note removable top plane on bend die.

Cable tray bending, steel channel .750" x 7.5", 90°