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230_RIS_03.qxd  10/9/02  8:46 AM  Page 110




                                                        Robot 3 • Missile Turret

                   Final Assembly











































                   Finally, now that you have built both the firing mechanism and the stand, you can put them
                   together.
                       Find the stand you built. Mount the firing mechanism on the stand, and you’re all done!







                              Inventing…

                              Programming Ideas
                              Now that you have a working, rotating missile turret, test it out: Put a
                              small projectile into the top hole and watch it fire! Can you design a
                              program to cock the hammer fully and then wait and fire? How about
                              mounting a light sensor on the turret so that it will search for light and
                              then fire a projectile when it finds a strong enough light source?









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