4 in. Performance Wheel with Nub Bore
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Description
Competition eligibility — read before buying
Legal for FIRST Robotics Competition (FRC). NOT legal for FIRST Tech Challenge (FTC) — do not build this part into an FTC robot. Eligibility is set by each season's game manual — check the current rules before you compete.
Product Overview
The 4" Performance Wheel is a virtually indestructible wheel made out of solid 6061 aluminum. This competition-proven design has been used on FIRST Robotics Competition robots for many years, and is now available in a version friendly to FIRST Tech Challenge robots. This new iteration of the wheel has been designed to keep costs down, as it is made from a custom extrusion instead of being fully machined from billet in past versions of this wheel. This wheel can take anything an FRC or FTC robot can throw at it, and much more.
This wheel is designed to be driven by an AndyMark Nub and a 6 mm D shaft, using the Nub Bore. It also allows for other motion hardware that utilizes a 1.875" 6-hole bolt circle found in many AndyMark and competition robotics products. To mount one of these to the rear (flat) side, use a 250 Sprocket and Pulley Spacer. To mount one to the front, use a 550 Sprocket Spacer. This wheel does not include tread material, which is available separately to tailor this wheel's performance to your application.
Competition eligibility
| FIRST Tech Challenge (FTC) | Not legal |
| FIRST Robotics Competition (FRC) | Legal |
Specifications
| Part number | zy-3612 |
| Bolt Circle | 4x #6-32 clearance on 16 mm bolt circle, 6 threaded holes for #10-32 screws on a 1.875 in. diameter bolt circle |
| Bore | Nub Bore |
| Diameter | 4 in. (with tread) |
| Material | 6061 Aluminum |
| Tread Width | 1 in. |
| Weight | 0.35 lbs |
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