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Unread 04-01-2002, 11:05
Andy A. Andy A. is offline
Getting old
FRC #0095
Team Role: Coach
 
Join Date: Jun 2001
Rookie Year: 2001
Location: New Hampshire
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T95 used a 6 wheel drive, where the center wheels were slightly lower down then the fore and aft wheels. This ment that the bot would rock back and forth slightly on the middle wheels when unloaded. All 6 wheels were linked by chain, but when turning the fore and aft wheels would just scrub, since they had relativly little load and traction, while the middle set would hold and do most of the turning.

When going up the ramp the CG would shift and the back and middle sets would be engaged. When moving a goal, the CG would shift even further back and the bot would acutally do a bit of a wheelie on the aft wheels. With two goals carried, it again balenced on mainly the middle set, but the added wieght of the goals gave enough traction to get the job done.

*shrug* No one ever said you could only do 4 wheels or 2 treads. 6 wheels worked for us, but like treads, its more work and harder to maintain (popping chains were a chronic problem never fully fixed). It's all dictated by how you plan on playing the game really.

-Andy A.
 


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