Lego Motor Lifts 100kg

Lego PF Medium Motor with gears and pulleys lifts a hefty 102.2 kg. Gear ratio 15:1 and tackle velocity ratio 8:1. Only lego parts were used, except for the string. Enjoy! :) Development videos: Part 1 pulleys: Part 2 gears: Part 3 gears and pulleys: List of parts: 1.5 meters of string Stabilit Vielzweckschnur auf Polyamid 1.3 mm, max 25 kg (bought from Bauhaus) 1x Power Functions M-Motor (8883) 1x Power Functions Battery Box (8881) 1x Power Functions Control Switch (8869) 2x Plate 2 x 16 (4282) 2x Plate 2 x 4 (3020) 12x Technic, Brick 1 x 16 with Holes (3703) 2x Technic, Brick 1 x 6 with Holes (3894) 6x Technic, Brick 1 x 4 with Holes (3701) 1x Technic, Liftarm 1 x 2 Thick (43857) 1x Technic, Liftarm 1 x 2 Thin (41677) 2x Technic, Pin 3L with Friction Ridges Lengthwise (6558) 2x Technic, Pin with Friction Ridges L