Hi all
thansk for the many and varied responses...

For the record, I'm not making wind chimes, but something you have to
manually strike to make a sound. I like the idea of Alu Mast poles .. but
Andy Dingley's bike tubing sounds even better. If I hadn't scrapped my Bob
Jackson Super Tourist a while ago...

Will update you as the thing progresses...

Cheers
J^n