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#1
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West London Tram (and others)
Richard J. wrote:
But at least they could divert, which trams and trolley buses would not be able to do. The trolleybus faction usually advocate hybrids, with auxilliary diesel engines, both for diversionary and route extension purposes. |
#2
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West London Tram (and others)
On Thu, 22 Dec 2005 14:47:15 -0800, Chippy wrote:
Richard J. wrote: But at least they could divert, which trams and trolley buses would not be able to do. The trolleybus faction usually advocate hybrids, with auxilliary diesel engines, both for diversionary and route extension purposes. Or battery. I've seen both - in regular use, running on their traction batteries or diesel auxillary engines. Often now the poles no longer have ropes, if the bus de-wires, they drive on auxillary power still they get to the next re-wire point. I would be extremely surprised to find a modern ETB that didn't have some capability to run independently of the wires. The traction battery option is not new. I was told at Carlton Colville museum last year that the old London ETB's had traction batteries and could run quite a few miles with out the wires. Was told 'this was quite handy in the war as they could work past damaged sections of overhead'. In the end what a ETB buys you is the pollution is made some where else - at the power station. They are also quiet to operate. |
#3
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West London Tram (and others)
Matthew Geier wrote: I would be extremely surprised to find a modern ETB that didn't have some capability to run independently of the wires. B prepared to be extremely surprised, then - Wellington's new prototype TBs (I don't think there's such a thing as a non-E TB) don't have that capability. Mike |
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