"Graeme Wall" wrote in message
...
In message
(Andrew Robert Breen) wrote:
Why would you imagine that: consider that the typical weight of a family
car has close on doubled over the last 35 years - almost all due to
crash
protection (with some down to NVH supression and some to a/c and
such). The weight growth of trains looks very modest by comparison.
NVH?
Noise, Vibration, Harshness; as Andy hasn't replied...
Paul