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Mizter T · October 10th 14, 11:46 AM posted to uk.transport.london

On 10/10/2014 11:36, Paul Corfield wrote:

On Fri, 10 Oct 2014 09:49:41 GMT, d wrote:

Well if they managed to produce stock that could run on all 3 lines in the
1950s I'm pretty sure they can manage it in the 21st century.

And that stock was accessible as were the platforms? All I am saying
is that a generic design will inevitably be compromised. No one has
said how many seats these trains will have, where the luggage space is
for the airport passengers on the Picc Line etc. Even more boring -
will the seats have any padding in them and will there be some
recognition that not everyone is as thin as a stick insect?

The concept of the air for the air cooling, not air conditioning,
being drawn from underneath the trains risks all sorts of issues.
Where is most heat created on a tube train? Yep from the motors and
other equipment hung under the train. I'm not saying it is impossible
to sort out but we cannot have a repeat on the tube of what has
happened with the NB4L. This nonsense of revealing snazzy "designs"
before you know if someone can deliver a working, reliable and
effectively engineered train is so reminiscent of the NB4L that it
worries me. There we have a bus that is fatally compromised - we
simply can't have a repeat with tube trains that will be in service
for up to 50 years.

Hear hear. It looks nice and pretty on an impressive video mock-up, but
that's really not the point. (I wonder to what extent this
'presentation' was driven by Team Boris?)