blastpipe

Definitions

A pipe forming part of the exhaust system of a steam locomotive that discharges exhaust steam from the cylinders up into the smokebox beneath the chimney in order to increase the draught through the firebox; this speeds up the release of smoke through the chimney.

Equivalents

Examples

“[W]ith this arrangement the cylinders are cast⟳ separately from the saddle, and bolted to the frames on each side with a fabricated stiffener between the frames. This stiffener is carried up to form⟳ the saddle for the smokebox, and within it is fitted the exhaust⟳ pipes from the cylinders to the blast pipe.”

“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.”

CEFR level