A London Trolleybus Experience (IR672)
Product No.: IR672
Title: A London Trolleybus Experience
Author(s): Fairhurst, Doug
Publisher: Irwell Press
Dust Jacket: None
Edition: 1st Edition
Publication Year: 2014
Features: 76 Pages with Colour & Black/White Photos.
What is a Trolleybus? In essence it is a bus that runs on rubber tyres (as a normal road vehicle) but is powered by electricity collected from overhead wires by way of a pair of poles (correct term being booms). It is not like a tram where the power is collected by a single collector and the return of the current is through steel wheels running on steel rails laid into the roadway.
The trolleybus gives slightly more flexibility than a fixed tram route in that it can overtake or negotiate normal road vehicles but is still limited to the route of the overhead wiring. Of course, unless on a separate 'track', they cannot overtake each other - thus the old saying, another convoy on its way". London had one of the largest fleets of trolleybuses in the world and at its peak had about 1