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230_RIS_03.qxd 10/9/02 8:45 AM Page 86
Robot 3 • Missile Turret
Firing Motor Casing Step 10
Attach the plates as shown.
Firing Motor Casing Step 11
Attach the two 1x4
TECHNIC bricks as
shown. The firing
motor assembly is
complete.
Design & Planning…
Why a Worm Gear?
Again, here we use the worm gear for lots of torque. You’ll see that this
is just barely enough power to cock the hammer and fire projectiles!
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