Uh... I think that this is a typo in the Builder's Manual for the Skybolt.
It looks like 1.25" works a heck of a lot better and fits just inside the axle.
Unless there is a reason that the axle should be hanging loose on the jigged tube.
It looks like 1.25" works a heck of a lot better and fits just inside the axle.
Unless there is a reason that the axle should be hanging loose on the jigged tube.