And if the book turns out anything like his web site, we'll all be the better for it.

Tom, you truely are indespensible to us here on this board. Thanks for sharing and helping so openly and freely. Now write the damn book and put some money in your pockets. And if imitation is in fact the greatest form of flattery, I'm ready to do the HDPE/Alum tubing thing. Set me up, write the book. Other than the plastic, all supplies are available to me three blocks away at Dyson (although George thinks I am a bit off, fiberglassing the nylon )
Gotta get my shop together so I can get started.
Scott