A decade later, this thread comes up when I search on the same question!

Any progress?

I am also working on a custom project -- a three-person pedal-car with 48-inch tall tires (penny-farthing wheels). The vehicle belongs to a friend and it used to have bicycle wheels, but I lucked into two of the penny-farthing wheels and want to use them to give the vehicle a steam-punky style.

So, I need to install some form of low-friction freewheeling mechanisms in the hubs of the penny-farthing wheels (which are replicas by Rideable Bicycle Replicas in Alameda, Northern California).
And I am looking at one-way bearings such as this:

https://www.vxb.com/CSK25PP-One-way-p/kit10971.htm

This one is good for 68 N.m, which appears to equal 50 pound/feet.

I have build a few large pedal-vehicles for Kinetic Sculpture Racing, but I always incorporated BMX freewheels further upstream in the drivetrain. Trouble with that, is the friction of chains and bearings downstream of the freewheel when the vehicle is coasting.

Yes, I can attach BMX freewheels to the penny-farthing hubs. But this is all about doing something "cool" and "neat". So, I am thinking about these industrial one-way bearings.

In the snapshot below, the new wheels are only loosely mocked up in position.

Thoughts? Facts? Good-natured ridicule?
Thanks!