Quote:
Originally Posted by glend
Wow that is a big tube. Re the three sections, how do you give it the necessary stiffness to carry a 508mm mirror (which is going to be a heavy). Tube rings, dovetail, etc all the components are going to have to be custom made or do you have that sorted already?
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Tube rings, Mirror cell, radius blocks, end cap, all made by Gary.
Mirror is a Tech type front and rear 5/8th " supported by piers and a 100mm hole in the base and an estimated weight of below 20kg I'll have exact weight in a couple of days.
My estimated total including focuser, filter wheel, camera, guide scope, 2 x dovetails, cables, spider with 112mm Antares secondary under 40KG.
cheers, Phil.