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Old 05-06-2017, 07:36 AM
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ChrisM
Sandy Ridge Observatory

ChrisM is offline
 
Join Date: Mar 2008
Location: Gippsland, VIC
Posts: 763
Pipe bending

Hi Bojan,

I had a 12 m length of 75 x 75 x 6 mm angle iron bent by Uneek Bending in Dandenong South. The resulting ring (3.6 m dia) was too large to trailer home in one piece, so was cut in half for transport then welded on site. From memory, supply and bending cost me <$300 albeit nearly 10 years ago. Uneek Bending are specialist benders used by heavy industry in the Latrobe Valley.

Also check out Rod Stubbings website: https://rodstubbingsobservatory.wordpress.com/dome/

I can't recall how he bent the pipe (your turntable design sounds identical to Rod's) but I'm sure that he'd be happy to advise you. There is a good picture on the home page. I think his dome is about 3.5 m dia and it turns like a dream.

Good luck, Chris
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