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Unread 20-02-2008, 15:17
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Madison Madison is offline
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FRC #0488 (Xbot)
Team Role: Engineer
 
Join Date: Jun 2001
Rookie Year: 1999
Location: Seattle, WA
Posts: 5,243
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Re: FRC488 - team xbot presents X8: The Ocho

Quote:
Originally Posted by blakcheez View Post
What's the overall length of your robot? We apparently made our base too long to implement an arm correctly.

Otherwise, awesome job! Good luck at your competition.
The robot is about 78" long with the forks and inclinator in their lowest position.

Quote:
Originally Posted by MasterChief 573 View Post
GIVE IT UP FOR DELRIN!!! Thats the material we used to build our cams that manipulate our fork while being lifted.
A significant percentage of our robot is plastic, with much of that being delrin.
  • Our omniwheels are largely delrin, as are all three encoder mounts.
  • Bearing blocks in the drivetrain are a mixture of delrin and polyethylene.
  • Pulleys on the inclinator are each a combination of delrin, ABS and polycarbonate, while the winch drum is made from polycarbonate, delrin and polyethylene.
  • Ball manipulator gussets are all polycarbonate, while it has polycarbonate ball stops and polyethylene skids.
  • Electronics are mounted to ABS
  • Dewalt XRP pinion is mounted to CIM shaft with delrin
  • Spacers everywhere are delrin
  • Linear slides on inclinator are polyethylene, rollers are nylon.
  • Pneumatics are mounted polycarbonate, tubing take up reel is polycarbonate, ABS and delrin.
  • IR board is delrin and acrylic.

...that's off the top of my head. There're probably many other things I'm forgetting. We love plastic.
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