On Fri, 24 Aug 2012 08:06:56 -0700, Jeff Liebermann wrote:

2. Remove the bent pipe and drill holes in the short end to match the
pivot and locking bolts.

This seems the easiest. The angles will all change, and the Rocket is
heavy so it has to be strong enough. I probably have to screw it into one
of the cross-cut edges of the beams.