pic: PBL-104: Planetary Ballshifter

[asid61]

Originally Posted by MStump

Looks cool! Where would you plan to get your 5" wheels from? The standard ones from Andymark and VEXPro are normally 3.5, 4, 6, or 8. I would definitely be interested to see a solid 5" COTS wheel because that opens up the world to a lot more possible ratios.

You can get 5" colsons from robotmarketplace, or banebots as stated above.
Because this doesn't direct drive a wheel from the main shaft (although theoretically you could adapt it to do so) you can place the gearbox in a remote area on one side of your chassis and run 3" or 2.5" wheels.