|How can I attach motors to the NXT with the fewest number of pieces?
1. Two Motor Car:
i. 9-holed beams (3)
ii. 7-holed beams (2)
iii. NXT motors (2)
iv. Assortment of friction pins
Attach the back of the two motors together (above the wire input) using a 9-hole beam
Attach Motors on both sides at front to NXT using 7-holed beams
Attach Motors on both sides at back to NXT using 9-holed beams and extended pins
2. One Motor Car
i. 9-holed beams (2)
ii. NXT motor
iii. 8-stud axle
iv. 10-stud axle
v. 12-stud axle
vi. Short axle holders (2)
vii. Long axle holders (2)
viii. Assortment of friction pins and bushings
Attach one short axle holder in the middle hole on both sides of the base of the NXT at the front.
Place motor on bottom of NXT between axle holders and place 8 stud axle through the axle holder and the back hole of the motor.
Attach one long axle holder in the outside hole on both sides of the base of the NXT, place a 10 stud beam through the axle holder and the second hole in the motor, secure with small bushings
Attach 9-holed beams to both sides of NXT at back.
Put 12-stud axle through both beams and the middle hole in front of the motor and secure with bushings