Re: Locomotives and heat/cold

[Scott Martin <semartin@idx.com.au>]

Aus loco discussion mailing list

Steven
      Some incidental evidence is contained in the article on the NSW 49 
class in the Jul/Aug 1981 AMRM, in which some 49 class sported a silver 
painted roof as a means of passive thermal control for crew comfort (as 
opposed to active measures such as A/C). 
  The Silver City Comet also appears to have utilised the paintwork as a 
means of passive thermal control. The original paintwork consisted of an 
aluminium paste that had (supposed) reflective properties. 
  I realise it's not quite what you're looking to know, but 
crew/passenger comfort is probably as important as keeping the prime 
movers and equipment at an optimum temp.


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