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Unread 28-02-2011, 09:40
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Re: Arm swings when turning, how to brace it?

We managed to strengthen a bit of our cbase from twisting the way you mention by fitting in some 1010 8020 (1" x 1" extruded aluminum) into the channels and bolting it down. Maybe you can try that with some square tubing. We also used the 8020 in the cbase for mounting purposes but for just strengthening i'm sure just square tubing will work alright.
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