34
34 years ago, on July 22nd 1978, Andre Chapelon, French locomotive designer died. (b. 1892)
On the CFV3V ( Chemin de Fer à Vapeur des 3 Vallées -Belgium)
NE 61 "André Chapelon"(C) Marc Petit on Steam Tube.
Andre Chapelon was a foremost railway locomotive designer and engineer.
Some of his locomotives exceeded 12% efficiency, which for a steam locomotive was exceptional. With greater efficiency, Chapelon could achieve greater power in a smaller locomotive that burned less coal, rather than simply enlarging a locomotive for more power.
The Kylchap exhaust was a Kylälä / Chapelon innovation later favoured by Sir Nigel Gresley in 4 A4's..and in the Peppercorn A1 Tornado.
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