Page 18 - Yoshihito Isogawa - The LEGO MINDSTORMS EV3 Idea Book_ 181 Simple Machines and Clever Contraptions-No Starch Press (2014)
P. 18

#10





                                                                                      ×2




                                                   ×2                     20:36 = 5:9

























         #11




                          20:24 = 5:6                                                                    ×2

































                                                                                                           9

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