Here's the thread on the bike in the picture.
Yes exactly so :) I'm wondering how it would go driving the hub with a belt and pulley instead of a chain. Finding a v-belt and pulley narrow enough would be a challenge. I'm not sure about tooth belts/pulleys. My own experience with Gates PowerFlex 7 mm belts is that they tend to be...
motorbicycling.com
If I'm remembering it correctly Cannonball modified a the direct drive (2nd) causing the hub to no longer coast but act like a fixed gear in that it could go in either direction. Meaning you didn't have to cross over to the right side to drive the IGH; both sprockets could be put on the left side.
The Strumey Archer S3X is a fixed geared IGH. The 3rd gear is the direct drive. Therefore there's no need to go inside of the hub.
1) ⅝\1
2) ¾\1
3) 1\1
You can get a U bracket from Staton Inc. I can also show you a way to make this bracket twice as strong using unistrut.
U bracket 5" legs with three 17/64 holes and two 3/8" punched holes plus bracket plate with: 3 ea. 1/4-20 x 1-3/4" hex head bolts and 3 ea. 1/4-20 nylock nuts. This bracket is used on our Friction Drive kits and the Gear & Chain Drive kits.
www.staton-inc.com