Page 33 - Yoshihito Isogawa - The LEGO MINDSTORMS EV3 Idea Book_ 181 Simple Machines and Clever Contraptions-No Starch Press (2014)
P. 33

#34












             3



               5                                           12:12  = 1:1




         #35













                                                             3


                                     12:20 = 3:5               5





         #36





                             12:12 = 1:1





                                                                                               ×2

                                                                                            3

                                                                                                ×2







         24

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