why build a gear
box at all?
Use the side-plates of the treads as the side-plates of the transmissions. Then you would have everything in a nice compact package.
Quote:
Originally Posted by M. Krass
A robust tensioning device will allow you to more easily add or change belting and adjust the tension to prevent breaking the belts.
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Tensioners aren't really necessary if you use the correct spacing and steel reinforced belts. The other track-drive system currently posted on CD media, is a tried-and-true drivetrain that uses no tensioners.
By the way, those look like some pretty tight turns. We have a spare piece of berco-flex belting, and just from twisting it I doubt it will be able to bend that much.