EV3 Lifter by Ted Bricks
This powerful Lego Mindstorms EV3 Lifter/Flipper was designed by Ted Bricks. It uses gear reduction to increase torque on the front lift arms. Mount the lifter on the front of your EV3 robot, and you can lift quite a bit of weight. Torque is increased by a factor of 120 (12z-->36z gears, and 1z worm gear--?40z gear on liftarm = 3x40= 120). See Sariel's excellent Gear Ratio Calculator <a href="http://gears.sariel.pl/" rel="nofollow">gears.sariel.pl/</a> to see how this is calculated.
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