@uncle_bob - I have been thinking about polycarbonate tubes for the arm lengths instead of aluminum. Higher temperature than PVC with less sagging and good strength, light weight. I think you could use polycarbonate with a moderately heated chamber?
[www.mcmaster.com]
Or let's go in on an X-Winder and make a few dozen carbon fiber arm tubes.. :) [www.xwinder.com]
[www.mcmaster.com]
Or let's go in on an X-Winder and make a few dozen carbon fiber arm tubes.. :) [www.xwinder.com]
