The LEGO Power Functions Idea Book, Volume 1: Machines and Mechanisms
VOLUME 1 THE LEGO POWER FUNCTIONS IDEA BOOK MACHINES AND MECHANISMS Yoshihito isogawa
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
Changing the angle of the axle freely 90 Universal joints 96 Transmitting rotation with chains and treads 106 Transmitting rotation with rubber bands 110 Rack-and-pinion gears 114 Swinging mechanisms 124 Reciprocating mechanisms 134 Cam mechanisms 142 Gear systems with whole number ratios 154 Attaching a battery box 172 Attaching an infrared receiver 178 vi Contents