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I got a few ideas on what materials to use in the telescope construction so far. I'm a plumber by trade so I have a fair idea on what certain material expansion rates are and what resists heat best. I'm particualrly interested in ABS pipe and fittings as it is very light and extremely strong with a low expansion rate. Any of you guys familiar with ABS ?
Last edited by XR8beast; 21-02-2005 at 09:44 PM.
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