Nominal horse power

Nominal horse power
Horse power Horse" pow`er 1. The power which a horse exerts. [1913 Webster]

2. (Mach.) A unit of power, used in stating the power required to drive machinery, and in estimating the capabilities of animals or steam engines and other prime movers for doing work. It is the power required for the performance of work at the rate of 33,000 English units of work per minute; hence, it is the power that must be exerted in lifting 33,000 pounds at the rate of one foot per minute, or 550 pounds at the rate of one foot per second, or 55 pounds at the rate of ten feet per second, etc. [1913 Webster]

Note: The power of a draught horse, of average strength, working eight hours per day, is about four fifths of a standard horse power. [1913 Webster]

{Brake horse power}, the net effective power of a prime mover, as a steam engine, water wheel, etc., in horse powers, as shown by a friction brake. See {Friction brake}, under {Friction}.

{Indicated horse power}, the power exerted in the cylinder of an engine, stated in horse powers, estimated from the diameter and speed of the piston, and the mean effective pressure upon it as shown by an indicator. See {Indicator}.

{Nominal horse power} (Steam Engine), a term still sometimes used in England to express certain proportions of cylinder, but having no value as a standard of measurement. [1913 Webster]

3. A machine worked by a horse, for driving other machinery; a horse motor. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Nominal Horse Power — (deutsch: nominale Pferdestärke) abgekürzt nhp, manchmal auch NHP oder deutsch PSnom, ist eine ehemalige Einheit zur Leistungsbenennung von Dampfmaschinen, später auch von anderen Kraftmaschinen. Inhaltsverzeichnis 1 Einzelheiten 2 Umrechnungen 3 …   Deutsch Wikipedia

  • Horse power — Horse pow er 1. The power which a horse exerts. [1913 Webster] 2. (Mach.) A unit of power, used in stating the power required to drive machinery, and in estimating the capabilities of animals or steam engines and other prime movers for doing work …   The Collaborative International Dictionary of English

  • Brake horse power — Horse power Horse pow er 1. The power which a horse exerts. [1913 Webster] 2. (Mach.) A unit of power, used in stating the power required to drive machinery, and in estimating the capabilities of animals or steam engines and other prime movers… …   The Collaborative International Dictionary of English

  • Indicated horse power — Horse power Horse pow er 1. The power which a horse exerts. [1913 Webster] 2. (Mach.) A unit of power, used in stating the power required to drive machinery, and in estimating the capabilities of animals or steam engines and other prime movers… …   The Collaborative International Dictionary of English

  • Australian Light Horse — were mounted troops with characteristics of both cavalry and mounted infantry. They served during the Second Boer War and World War I. The Australian 4th Light Horse Brigade at the Battle of Beersheba in 1917 made what is reputedly the last… …   Wikipedia

  • Traction engine — A traction engine is a self propelled steam engine used to move heavy loads on roads, plough ground or to provide power at a chosen location. The name derives from the Latin tractus , meaning drawn , since the prime function of any traction… …   Wikipedia

  • Pferdestärke — Einheit Norm Alte Maße und Gewichte Einheitenname Pferdestärke Beschriebene Größe(n) Leistung Größensymbol(e) P In SI Einheiten 1 PS = 735,498 75 W …   Deutsch Wikipedia

  • Compound engine — For compound steam locomotives, see Compound locomotive. Cutaway of triple expansion compound steam engine, 1888 …   Wikipedia

  • МОЩНОСТЬ НОМИНАЛЬНАЯ — (Nominal power) придается на машиностроительных заводах наименованиям выпускаемых из производства типов двигателей и служит вернее признаком различных типов, нежели целям характеристики истинной мощности двигателя. Номинальная лошадиная сила… …   Морской словарь

  • HMS Archer (D78) — For other ships of the same name, see HMS Archer. HMS Archer Career Name: MV Mor …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”