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Unread 20-10-2011, 15:25
Peter Matteson's Avatar
Peter Matteson Peter Matteson is offline
Ambitious but rubbish!
FRC #0177 (Bobcat Robotics)
Team Role: Engineer
 
Join Date: Sep 2003
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Re: Alternatives to Pinion and Spur Gears

Here is a shot of our prototype from this year that was made from less than $200 total materials including transmissions, polycord belting (fused with a grill lighter), spockets, #25 chain, and Al hex, plate, and round stock.

http://www.chiefdelphi.com/media/photos/37060

We made 5 iterations out of Rought $200 worth of raw materials including the final one shown here:

http://www.chiefdelphi.com/media/photos/37063

The powertrain is banbots RS-545s through banebots planetery transmissions, then a 1:1 driving the rear rollers and the polybelting driving the front rollers.

This is a simple design that looks fancy only because of the machining. We had a wood prototype week 1 of build to test out the dimensions for claw before cutting metal.
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2011 Championship Finalists/Archimedes Division Championships w/ 2016 & 781
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2009 Newton Division Champions w/ 1507 & 121
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2007 Championship Winners/Newton Division Champions w/190, 987 & 177 The Wall of Maroon
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www.bobcatrobotics.org
"If you can't do it with brains, it won't be done with hours." - Clarence "Kelly" Johnson
 


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