pic: Another Belt-In-Tube Drivetrain

[Mark Sheridan]

Originally Posted by Cothron Theiss

Hm, it would be nice to know whether an 18t HTD pulley will work with 15mm wide belts. I'm currently working on a WCD that would be using that setup, so I have a bit of a vested interest. For your purposes, since you're already machining your pulleys out of stock, couldn't you switch to GT3 belts and GT2 pulleys? there's not a huge difference, but it would give you some margin of safety for the the setups that are on the cusp of failure.

yeah we have broken HTD 15mm with 18 tooth. This year we made the pulleys almost the same diameter as our wheels to have a beefy safety factor with HTD.

Most likely, if we stick with belts, is to go with GT3/GT2 like 971.