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Originally Posted by s_forbes
We are planning on bolting together pieces of c-channel with brackets on top and bottom to secure every joint.. This should be sturdy enough, but we shall see...
We are just a rookie team, so we have no idea how well this will work.
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We have used fiberglass square tube in our last two robots,(2" for out first and 1" and 1.5" on our last) our source is the one listed further up in the post. What we learned is 1" square is a lot stronger than it looks. Put a small section of square steel tube or solid plastic in the ends where you need to drill through and you won't have to worry about crushing the places where you bolt things together. The kit parts make good items to use for corners, or just an L of aluminium covering the joint with through bolts. Run a vacuum when cutting and just use a fine toothed hand powered hack saw, Power saws work but spread the dust all over the place. The tubes also come is sizes that will slide inside each other, both in round and square. Hope this helps