Quote:
Originally Posted by Sh1ine
Please forgive the poor Photoshop Job. I am looking for a bit of advice. Although we have not nailed our arm manipulator design yet we want to be able to get the fixed upright welded when the rest of the frame is in the shop. Currently I have it drawn with 1/16" wall tube. The two vertical pieces are 2x1 the rest are 1x1. Do you think that this system will be strong enough to support a arm that can reach to the top peg and weights around 30 or less lbs? Is it overkill? Thanks.
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On 330, we put our mast back a few inches to allow room for a big sprocket at the top.
http://www.chiefdelphi.com/media/photos/27675. We use 2x1 1/8" for the mast, which is probably overkill.