Quote:
Originally Posted by 340x4xLife
Half right. No where does it say they have to be Tetrix wheels.
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You can use as many wheels as you want, but if you don't use tetrix wheels you have to make them out of the allowable materials....(listed below)
A. TETRIX components that are not in violation of any other rules,
B. no more than two motors (PN W739083/W739023) and an unlimited number of Tetrix servos),
C. no more than one 12V rechargeable NiMH battery pack identical to those supplied in the FTC kit of parts (PN W739057),
D. No more than one HiTechnic DC motor controllers,
E. No more than one NXT controller with the Bluetooth functionality disabled,
F. Polycarbonate,
G. Polycarbonate glue,
H. Raw aluminum sheet, 90° angle, u-channel, tube, bar, that is not sold in pre-perforated or pre-punched form.
I. rivets,
J. non-metallic rope or cord,
K. wire nuts,
L. cable ties,
M. limit switches,
N. no more than two common household light switches,
O. electrical hookup wire,
P. non-slip pad,
Q. PVC or CPVC pipe,
R. PVC cement or cleaner,
S. Mechanical fasteners (e.g. screws, bolts, etc),
T. Loctite or similar thread-locking product,
U. Rubber bands,
V. Surgical tubing,
W. Electrical tape and shrink tubing,
X. PWM extension cables,
Y. Universal security clips to hold the PWM connectors together,
Z. Hook and loop fastener (may not be used as tape),
AA. Magnets, and
BB. NXT compatible sensors and related connectors/cables.