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  6 inch HiGrip FIRST Wheel (am-0940)



 
Price: $10.00

Stock Status: In Stock
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Description Files & Documents
 
Note: The 2013 wheels are white in color and 2012 versions are clear. The only difference between them is a pigment change in the treads. As of 1/18/13 we are shipping orders with the white version of the wheel to match the current kit of parts. 

Product Overview:
This is the wheel included in the 2013 FIRST Robotics Competition Kit of Parts. It is a 6 inch diameter wheel with a polycarbonate body and a TPU rubber "HiGrip" tread.

No bearings or hubs are included in this wheel.

Specifications:
  • Diameter: 6 inches
  • Body Material: Polycarbonate, black
  • Tread Material: TPU rubber, 77a durometer, natural color (clear)
  • Bore: 0.95 inch, with bearing pockets of 1.124 inch diameter x 0.25 inch deep on both sides
  • Weight: 0.5 pound
  • Bolt Pattern: six holes (0.17 inch diameter) on a 1.875 inch diameter bolt circle
  • Coefficient of friction: 0.95-1.0 static (on tight pile carpet)
Usage:
Use #10-24x3/4 thread forming screws to attach sprockets or hubs to this wheel.

With Axle and Hub:
  • If you wish to drive this wheel with an Axle and Hub, you can pick your hub by fitting any of the AndyMark hubs (not included) to this wheel. If this is your choice, then no bearing is needed. Use #10-24x3/4 thread forming screws to fasten a hub to this wheel.
With Sprocket:
  • If you wish to drive this wheel with a sprocket, then the sprocket needs to be attached to the side of the wheel, and two ball bearings need to be pressed into the wheel (one on each side). The ball bearing must have a 1.125" od. For a 1/2" id, use am-0181 or am-0029. For a 3/8" id, use am-0209. Use #10-24x3/4 thread forming screws to fasten the sprocket to the wheel.
With Bearings:
  • To press bearings into this wheel (for a free spinning wheel or for use with a sprocket), two ball bearings need to be pressed into the wheel (one on each side). The ball bearing must have a 1.125" od. For a 1/2" id, use am-0181 or am-0029. For a 3/8" id, use am-0209.


Average Customer Review: 4 of 5 | Total Reviews: 14                   Write your own review!

  0 of 0 people found the following review helpful:
 
Broke March 24, 2013
Reviewer: Tom Bray 3189 from Placerville, CA  
3 broke in one regional. Almost cost us a Regional Win. Would not suggest you use these if you are a contender.

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  0 of 0 people found the following review helpful:
 
Broken Wheel March 18, 2013
Reviewer: Steven and Sandy Beckett from Grosse Pointe  
We had a broken wheel in the semi-finals.  Cracked through two spokes and the rim.

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  0 of 0 people found the following review helpful:
 
Broken Wheels March 18, 2013
Reviewer: Dick Field Team 1413 from Clarksville, VA  
The wheels provided good traction but failed during Regional competition matches. Three adjacent spokes cracked and sheared on both drive wheels. Robot to robot interaction was frequent and running over disc was common. Not strong enough or there was a manufacturing flaw. We got 6 matches completed before failure.

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  0 of 0 people found the following review helpful:
 
Great Wheels February 27, 2013
Reviewer: Anonymous Person from Sydney, Australia  
Using these wheels for the 2nd year in a row (only two years) and haven't had any problems. Used them in Drive and Rebound Rumble robot's shooter.

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  0 of 0 people found the following review helpful:
 
6 in January 27, 2013
Reviewer: Joe Reel from Russiaville, IN United States  
..//

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