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230_RIS_04.qxd  10/9/02  5:55 PM  Page 128




                                            Robot 4 • MINDSTORMS F1 Racer



                             Bricks & Chips…

                             Securing Motors
                             Most assemblies built to secure motors will need vertical bracing
                             beams so that the stress of the motor doesn’t rip the assembly apart.


            Driving Motor Step 4






































                                                Add in the gears and
                                                axles to complete the
                                                differential. Make sure
                                                the crown gear is facing
                                                the direction shown.







                   Designing & Planning…
                   Driving Motor Step 3

                   In this step, you could substitute the differential for a straight axle with a
                   24t gear on one side. This would make the back wheels drive at exactly
                   the same rates regardless of the road conditions.


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