Tag Archives: chopper trike frame

Frame Base

Photo 1 – Pieces cut for base frame

The pieces for the base frame are cut from 1x2x.090  wall rectangular steel tubing.  (Photo 1)






Photo 2 – frame notch

A bird’s beak notch is cut into the inside of each rail to make a bend in the  fame.   (Photo 2)






Photo 3 – Preparing to weld frame pieces

Side rails are bent at the notch (see arrows in photo)  and the perimeter pieces of the frame are aligned and clamped together for tack welding.  Note the plumb line used to insure the front, center and rear cross pieces are all on center.   (Photo 3)



Photo 4 – base frame welded

Final welds complete the frame base. (Photo 4)