Re: Trolley Poles and Pantographs
Author: Dr Zarkoff
Date: 10-13-2015 - 23:49
>Trolley pole operation does not require wire switches at track switches if the pole has a wheel rather than a shoe.
Not true. With no wire frogs, a pole will dewire regardless of whether it has a wheel or shoe.
There are differences between wire frogs designed for shoes and those designed for wheels. As I recall, you can use a wheel in a shoe frog, but not a shoe in a wheel frog.