tractive force

British  

noun

1. the force measured in the drawbar of a locomotive or tractor

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Example Sentences

Q.--What is the amount of tractive force requisite to draw carriages on railways?

From A Catechism of the Steam Engine by Bourne, John, C.E.

The boiler pressure is 140 lb., and the tractive force per lb. of steam in the cylinder 102 lb.

From Scientific American Supplement, No. 458, October 11, 1884 by Various

For a test load of 120 tons the tractive force is 70 lb per ton, which is sufficient for acceleration, and maintaining speed against wind pressure.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" by Various

This is an enormous tractive force, as it would require but a mean effective pressure of 102½ lb. per square inch on the pistons to exert a pull of 10 tons.

From Scientific American Supplement, No. 384, May 12, 1883 by Various

The boiler pressure is 140 lb., and the tractive force per pound of mean cylinder pressure 106 lb.; the total wheel base is 14 ft.

From Scientific American Supplement, No. 458, October 11, 1884 by Various