Common Ratchet Gear Uses

Dyani Robarge
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Ratchet Mechanism Simulation

Dyani Robarge

Note: Click on 'Youtube' icon in bottom right corner to see more ratchet simulation videos.

Simple Ratchet Design

Dyani Robarge
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ratchet_simple.dxf

For this ratchet design, you will need:

  • 1/8" plywood, 150 mm x 300 mm
  • 1/4" dowel rod, 45 mm long
  • Four bolts, 3 mm x 20 mm
  • Two wood screws, #4 x 1/2"
  • Four nuts, 3 mm
  • Small spring (this example uses a click pen's spring, 3/16" diameter)
  • Wood glue
  • Small clamps
  • Small screwdriver

Free Wheel

Saeed Arida
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https://www.missionbicycle.com/how-do-freewheels-work