DIYbanter - View Single Post - wheelshape to run on top of a circular rail?

wrote:
a pair of circular pipes exists, running in parallel.

I wish to use them as tracks for a small railcar.

where to buy wheels, whose "tread" surface is a semi-circle of the
right size to fit over the pipes? very low speeds in this cargo
application, friction-caused efficiencies should not be an issue.

Or must they be made up by a shop on a custom order?

Try doing a Google search for "concave rollers".

Here's one example:

http://www.intechpower.com/Power-Cor...er_Specs2.html

--
Jack Novak
Buffalo, NY - USA

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