[techtiger1]

Sporno what your saying is all right for the most part. However relating to the AndyMark/FIRST application gearboxes the mass is so light that even lighting a gear by say a lb which is tough to do in a well designed gearbox, won't make a huge diffrence. Also when considering F=M*A and initial power you have to look at what your motors can do in comparison to the force they can put out and the object they are moving. Run some numbers on that theory with the CIMS and tell me if your still worried about them spinning anything less then 2lbs. Lighting the gear does make a diffrence by putting less load on the motor but in this application it is only a slight diffrence and generally a bigger worry is weight more so then power. My advice would be to test it if you really think it's worht the time and effort.

-Drew