I had a difficult time finding pipe that would sleeve over my 1.25 axle for correct wheel spacing. As it turns out the only thing suitable is something called 'Schedule 80' which comes in a 1.257 inside diameter. There are several methods to properly space your wheel hubs away from your chassis, I'm using this method because it's the most robust in my experience.
Saturday, January 14, 2017
Here is my trusty cutoff saw. Usually at home at a construction site but perfectly cozy in my tiny workshop under the counter. It takes a patient steady hand to get through heavy pipe (like this one) without warping the disc from the heat. Be patient and take your time, and it will cleanly cut through.
After some cutting and filing, I cut a notch (using a cutoff wheel) for the keyway. One thing to note, I put the keyed hub (right side) opposite the drive sprocket (mounted on the left side of the axle) to allow the axle to twist. Im hoping a bit of axle twist will work in my favor. Without a cushion drive it's possible the hub bolts will shear off since they don't go all the way through. Frankly I'm curious to see what happens! My engine and chain setup let's the maximum torque of the engine and TAV2 spin the rear axle. Every last bit of damping may be neceasary.
Here is another view from underneath. Using this method keeps the wheels from drifting along the width of the axle and eliminates 2 additional locking collars.