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Colin McKenzie · December 1st 08, 10:20 PM posted to uk.transport.london

wrote:
In article ,
(Adrian) wrote:

An RM is about 7.5t ULW.
A Citaro bendy is about 18t ULW.

Actually, an RML (nearer in capacity to a bendy and not appreciably
different from a modern double-decker) is 8.25 tons ULW. You only get a
64-seater RM for 7.5 tons.

Difference between tonne and ton? RMLs were always labelled as 7t15cwt -
so your figure is high unless the replacement engines were half a ton
heavier than the originals. RMs were 7t5wt.

And the RM is as rigid a bus as has ever been produced.

I suspect a big part of the reason why modern buses are so heavy is that
the low floor requirement means you have to put in more metal to get the
same rigidity (because it can't be in the most weight-efficient places).

A front engine, front entrance (behind the front wheel) Borismaster
might be able to be lighter than any existing low-floor bus, especially
if it didn't have a driveshaft to the back wheels.

Colin McKenzie

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