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Auburn, California
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Does anyone know of a source for robot chassis like the ones at VEXROBOTICS.COM
but for a lot less money?
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Go to Home Depot, buy some aluminum sheet, drill holes in it, and have fun.

More seriously, the cheapest chassis is the one you build yourself from raw materials: HDPE is nice, as is extruded PVC sheet and various other low-cost plastics (polycarbonate is nice in that most woodworking tools will work on it, but it's a pain to cut without some sort of power tool).
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Auburn, California
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I did find extruded ABS at interstateplastics. It comes in various sheet sizes
and makes a sturdy base and is lightweight.
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California
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Cheapo swap meet RC cars work if you know what you're doing.  I didn't, but at least I knew where to come to ask for help. smiley

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Phoenix, Arizona USA
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Cheapo swap meet RC cars work if you know what you're doing.  I didn't, but at least I knew where to come to ask for help. smiley

THIS ^^^^

Though I prefer to pick mine up at Goodwill and other thrift stores - I never spend more than $10.00 each (most of the time $5.00); go on half-price Saturday @ Goodwill, and really have a ball! My best, two, three best R/C finds have been a WowWee Roboquad ($5.00), an MGA QUADTRAX "Tarantula" ($25.00 - wasn't half-price day, and it was just too cool to not buy), and some kind of large R/C tank ($10.00).

I don't understand why more people building robots -don't- shop at Goodwill (or other places) for these toys...

smiley
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California
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Speak of the devil; anybody want to guess who helped me get my robot moving?

Thanks again cr0sh!
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Canton, Connecticut, United States, Planet Earth, SOL Galaxy, 3rd star on the left.
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I built from the VEX platform, when Radio$hack started clearing out their inventory. I'm more than sure you can find similar parts on EBay, or even (if you're of the sacraligious type) find a tagsale or even on EBAY and find someone selling an old Erector set, which the VEX framework was a direct steal.

I'm still trying to get a tank frame I put together long ago, when VEX still supported the version 1 programming kit. I've since stripped it of the VEX controller, and I'm now trying to build it on the Duemilinova. (if it requires more I/O, I have a MEGA-2560 waiting.)  Main problem, is finding time to do the project.. Too many other things going on in normal life, and too many headaches when I go to try something new in the programming, and it doesn't work.


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