prony brake

\\ˈprōnē-\ noun
Usage: usually capitalized P
Etymology: after G. C. F. M. Riche, Baron de Prony died 1839 French engineer
: a friction brake or absorption dynamometer in which the pull on the flywheel friction blocks is measured by a spring balance or weighted lever — compare rope brake

* * *

/proh"nee/
a friction brake serving as a dynamometer for measuring torque.
[named after G.C.F.M. Riche, Baron de Prony (d. 1839), French engineer]

Useful english dictionary. 2012.

Look at other dictionaries:

  • prony brake — /proh nee/ a friction brake serving as a dynamometer for measuring torque. [named after G.C.F.M. Riche, Baron de Prony (d. 1839), French engineer] * * * …   Universalium

  • prony brake — A device using a friction brake to measure the horsepower output of an engine …   Dictionary of automotive terms

  • de Prony brake — dynamometers at a tractor contest in 1910 …   Wikipedia

  • De Prony brake — The de Prony Brake is a simple device invented by Gaspard de Prony to measure the torque produced by an engine. The term Brake horsepower is one measurement of torque obviously derived from the method of measurement.Essentially the measurement is …   Wikipedia

  • brake — [1] To slow down a vehicle. [2] The mechanism that converts motion (kinetic energy) into heat energy through friction. The most common instance is found in the wheels of cars where the brake shoes or disc pads are designed to press against the… …   Dictionary of automotive terms

  • Gaspard de Prony — Gaspard Clair François Marie Riche de Prony (July 22, 1755 July 29, 1839) was a French mathematician and engineer, who worked on hydraulics. He was born at Chamelet, Beaujolais, France.He was Engineer in Chief of the École Nationale des Ponts et… …   Wikipedia

  • Friction brake — Friction Fric tion, n. [L. frictio, fr. fricare, frictum,to rub: cf. F. friction. See {Fray} to rub, arid cf. {Dentifrice}.] 1. The act of rubbing the surface of one body against that of another; attrition; in hygiene, the act of rubbing the body …   The Collaborative International Dictionary of English

  • rope brake — noun : a band brake or absorption dynamometer in which the band is replaced by a rope compare prony brake …   Useful english dictionary

  • Dynamometer — For the dynamometer used in railroading, see dynamometer car .A dynamometer or dyno for short, is a machine used to measure torque and rotational speed (rpm) from which power produced by an engine, motor or other rotating can be calculated.A… …   Wikipedia

  • Horsepower — hp redirects here. For other uses, see HP (disambiguation). Horsepower (HP) is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.[1] Horsepower was originally defined to compare the… …   Wikipedia

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