On Sun, 13 Mar 2005 13:29:02 +0000, Lurch
wrote:

Something along the lines of what I thought, but galv of up to 2"
diameter and painted. You may get away with using 28mm copper for ease
of availability as 2" galv would require someone to manufacture the
joints for you, a commercial heating engineer.

That's another good idea I hadn't come up with. You can hire dies for
putting threads on large diameter pipes can't you?


--
On-line canal route planner: http://www.canalplan.org.uk

(Waterways World site of the month, April 2001)