Thanks guys. I found the old one. Wasn't torn up like I thought. Might
reuse it, might not. Canvas treated with waterproofing sounds like an
idea. Rubber bike tire would work - just afraid it might wear out from
bending. But even if it wore out every few years - no big deal to replace.

Thanks.

"Chris Selwyn-Smith" wrote in message
. 254.254...
Harry Krause wrote in news:bkhkkl$1sq9r$1@ID-
21096.news.uni-berlin.de:




Might have been canvas treated with "waterproofing" agents...



how about using bicycle innertube cut to size

--
Chris Selwyn-Smith
(M0CGW)
www.chrisss.demon.co.uk