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230_RIS_04.qxd 10/9/02 5:55 PM Page 125
Robot 4 • MINDSTORMS F1 Racer
Connecting Chassis Step 4
Add in this brick,
and the chassis is done.
Note that your chassis frame
is beginning to look like the
underside of an automobile.
The Driving Motor
This next series of steps will create the differential drive motor. This motor is what will drive the
car. The assembly consists of a TECHNIC 9V motor and a small gear train used to change direction
and transfer the power to the differential.
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