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Vex Mechanisms

Gonzalo and Lilah

Belt Drive

Differential

Simple gear train

  • constant;constant
  • angle shaft
  • Car differential
  • Purpose
  • Type of gears
  • Can opener
  • Increased; decreased
  • 1:2.5

Rack and Pinion

  • Steering wheel
  • Reversible flow?

Universal Joint

  • Drive Shaft
  • Constant;Constant
  • Speed ratio

Cam and Follower

Crank and Slider

Worm and Wheel

  • exhaust valve
  • 1 revolution= 1 time up
  • flow reversible?
  • Train gears
  • reciprocating
  • flow reversible?
  • Crankshaft
  • decreased; increased
  • 23:1

Chain Drive

Leadscrew

  • Bike gears
  • Increased;decreased
  • 1:2
  • Screw Jacks
  • Force
  • 5 revs to move 1 in.

Bevel gear assembly

  • Hand drill
  • constant; constant
  • 1:1

Simple gear train with idler

  • manual transmissions
  • constant;constant
  • 1:1
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