This series of pulleys is made for 3/8-inch wide belts. They use the Fairloc® hub fastening system, which has radial and angular slots, making a transverse wedge attached to the solid portion of the hub on one side. The cantilevered clamping section allows a screw to be tightened and loosened repeatedly, without marring the shaft or affecting torque transmitting abilities. The pulleys come in double, single or no-flange styles, and are made to fit onto 3/16 to 3/8-inch diameter shafts. Grooves per pulley number between 10 and 72.
The “Space Kid,” 11, will be one of the first civilians to have his design manufactured in space by NASA, thanks to the City X Project, which inspires kids to think about new 3D-printed inventions that could be useful for humans living in space.
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