On 2014-10-10 11:23:05 +0000, Roland Perry said:

I think I'm a bit behind the times. What's the problem with them?

The so-called air-conditioning isn't up to the job. (Hello, is that
you, First Great Western? )

I think a modification will be necessary pretty sharpish to solve the
issue if more are to be built. Opening windows would probably be the
easiest solution, though I guess these will add weight they could be
aluminium-framed to reduce this so far as possible.

Neil
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Neil Williams
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