The LEGO Power Functions Idea Book, Volume 1: Machines and Mechanisms

The LEGO Power Functions Idea Book, Volume 1: Machines and Mechanisms — page 1
Mechanisms Basic 1 Contents Introduction 1 Part Transmitting rotation 4 Gearing down powering up 10 Gearing up speeding up 30 Changing the angle of rotation 42 Powering up with worm drives 52 Using turntables 66 Gear systems 76 Tilting the angle of the axle 84