http://forums.usfirst.org/showthread...ar#post 44890
GDC wrote:
Default Re: Minibot Materials & Modification
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2) R47-A allows modification of gear teeth on output shafts. We cannot comment on the general "other external components" clause.
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Other related information...
<R47> Motors and servos used on the ROBOT shall not be modified in any way, except as follows:
A. The mounting brackets and/or output shaft/interface of the motors may be modified to facilitate the physical connection of the motor to the ROBOT and actuated part.
boomergeek musing...
(Gearboxes are typically not considered by FIRST to be "integral" to a motor).