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Originally Posted by Cory
We use 8020. We got a whole bunch of it for free last year from some guy who was clearing out a warehouse full of it. It works pretty nice, although it's *REALLY* heavy when you add up all the plates, bolts, and t-nuts. Our frame was 40 lbs or so before we took the plates off and welded it. Based on Inventor's weight calculations, it should be ~14-15lbs now, which makes it real nice 
[edit] Andy, it looks like they drilled and tapped quite a bit of it
Cory |
I thought that you could not weld 80/20 because of the alloy its made from. We wanted to last year, but would teacher said we couldn't becasue of the alloy.