EnglishEdit

 
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EtymologyEdit

blast +‎ pipe

NounEdit

blastpipe (plural blastpipes)

  1. (rail transport, mechanical engineering) Part of the exhaust system of a steam locomotive that discharges exhaust steam from the cylinders into the smokebox beneath the chimney in order to increase the draught through the fire.
    • 1963 September, Cecil J. Allen, “Locomotive Running Past and Present”, in Modern Railways, page 186:
      By this time the "King" had been fitted with four-row superheater, double blastpipe and chimney, and all the later modifications effected by Swindon in these engines, to which they responded so well with the poorer quality of fuel of their last years.