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Unread 24-12-2007, 11:43
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Re: Need pictures of chassis for 6WD

Quote:
Originally Posted by Billfred View Post
We also used JVN's drivetrain calculator to figure out the sprockets needed to give us the speeds we desired.
I second that endorsement.

A couple of naked photos show the chassis the best, for what they're worth.
We later replaces the mock-up skyways shown with AM performance wheels. We also ran all of our chain in the frame rails to keep it out of contact with other things and to provide a larger sepeartion of the bearings for the cantilevered axles. Cantilevered axles were chosen to simplify changing wheels out... we treat treating as a consumable item and swap twice a day or so. All of the axles were mounted in sliders so that the center wheel drop was adjustable and the corners adjusted the chain tension.

The only real suggestion that I have is if you don't have a solid idea for the chassis that you want to build within a couple of days of kickoff, you may want to punt to the kitbot and iinvest the time in you manipulator instead. Week 2 is not a good time to be trying to learn the spreadsheet Billfred mentioned.




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Unread 24-12-2007, 14:35
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Re: Need pictures of chassis for 6WD




Thats a picture of the 1902/1369 chassis from last year, waterjetted aluminum. Everything was riveted or bolted together. Integrated AM shifters
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Unread 24-12-2007, 14:51
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Re: Need pictures of chassis for 6WD

Here's some pictures of Team 228's 2007 drivetrain and chassis:

The main frame members were 0.125" aluminum fabricated on a CNC sheet metal turret/punch machine. We used Banebots (it wasn't until after we had our drive train powder-coated that we found out how horrible their quality was) direct drive onto the rear wheel. All axles were live, and the wheels were custom-machined out of blocks of aluminum to 5.5" in diameter.







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