Richard Wrote:
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> As I understand it, the wheels on PCC cars have
> rubber tires on the wheels with metal rims around
> them for electrical contact with the rail. Is
> there some kind of electrical brush in contact
> with that rim to complete the circuit between the
> motors and the rails? Would anyone know of a good
> online photo that might illustrate whatever
> configuration is present? Thanks for your help!
This image is a link from TrolleyRide.org - the Minnetsota Streetcar Museum:
Note the bolts on the wheel. Lots of detail photos on the restoration of #322:
[
www.trolleyride.org]