[Land-speed] Homebrew hydroforming with a pressure washer

[Ed Weldon]

>From the Seattle Metalheads Yahoo group--
Looks like a low carbon steel header for a bike.  No indication of the
pressure.
http://www.youtube.com/watch?v=I_Z3AIFSd60
You could also do this with a hydraulic pump and oil.
Maybe possible with silver soldered copper or brass with several anneals or
soft welded aluminum like 3003-0 or 1100.
Ed Weldon