Resources & Other Cool Links:

neocities:   Free website hosting service; successor to Geocities.

Mectrol Timing Belts:   Good conveyor design guide on pg.24-34.

Gates Belt Guide:   Decent starting point for timing belt transmissions.

VBelt Guys:   Pretty easy to find online coupons. Great selection and OK tolerancing, most belts are from D & D Synchro.

How to Build Your Everything Really Really Fast:   Great guide from Equals Zero.

ReCalc:   Online FRC oriented Calc.

4322 DT Calc:   Online FRC DT Calc.

Origami Wheel   Paper by Lee Dae-Young et. al. Cool stuff.

daevii's LM DT   daevii's take on locking mecanum wheels.