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Unread 04-02-2007, 00:50
sanddrag sanddrag is offline
On to my 16th year in FRC
FRC #0696 (Circuit Breakers)
Team Role: Teacher
 
Join Date: Jul 2002
Rookie Year: 2002
Location: Glendale, CA
Posts: 8,515
sanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond reputesanddrag has a reputation beyond repute
Re: pic: 696 - Insane wheel

1. The wheels ride roughly centerline with the frame rail, which is 1x2 box tubing (sitting vertically). So, that would put our ground clearance under the frame rail at 1.5". But, we have some other stuff that is a little lower. Final ground clearance will be about 1".

2. We wanted a 5" wheel, for the optimal speed and torque for our robot and strategy. We wanted it lightweight. We wanted a 1/2" bore with a 1/8" keyway. We wanted to use incline conveyor belting tread. We didn't want it to be like every other wheel out there. Find me something that meets that criteria, and we'll buy it. We couldn't, so we made it. Wasn't too difficult for an experienced machinist. Wasn't at all costly either. ~<$15 per wheel in material. These are about 0.3 lb each, not including tread or hold down ring. Pretty light.
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Teacher/Engineer/Machinist - Team 696 Circuit Breakers, 2011 - Present
Mentor/Engineer/Machinist, Team 968 RAWC, 2007-2010
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Student Mechanical Leader and Driver, Team 696 Circuit Breakers, 2002-2004
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