In article , (Roland
Perry) wrote:

In message .uk,
at 21:25:00 on Sat, 1 Mar 2008, Colin Rosenstiel
remarked:

http://www.railfaneurope.net/pix/ch/.../Geneve-04.jpg

That's the only one looking to be above what diesel technology could
deliver. I note that Geneva trolleybuses are all single deck, though.

A double-decker might foul the wires!

Yes, but not in London! How does the four axle jobbie's capacity compare
with London's Citaro bendies?

The only remaining modern double decker trolleybus may be this one
in
Hong Kong (a trial, apparently now discontinued):

http://www.trolleybus.net/hk.htm

It's not clear how much bigger than a standard diesel double that is,

About the same size as the larger ones (as used secondhand as tour
buses in London).

So, like as ERM maybe (80 seats)?

let alone whether it would be able to work in the UK.

I don't know why it wouldn't, if the wires were a suitable height.

Construction and Use Regulations. They and their predecessors have done
more to hold back London bus development in the past than technology.

--
Colin Rosenstiel