Browse Standards ARP2C
Current STABILIZED 2018-08-09

Horsepower Correction Formulae(STABILIZED Aug 2018) ARP2C

This document discusses formulae considered applicable to aircraft engines having integral supercharging without aftercooling, and using gasoline introduced at the entrance to the supercharger or directly into the cylinders. Such engines are normally designated as single and two speed engines. Correction formulae for engines having two stage or exhaust turbo supercharging will not be discussed. Corrections for engines having a high degree of integral supercharging will be discussed in general terms only and no specific formulae will be presented.
The correction formulae and methods listed are empirical and subject to error due to conditions beyond the scope of known corrections. Usage has indicated, however, that the correction formulae listed will provide a satisfactory approximation of power output under standard conditions.
ARP2C
2018-08-09
Latest
Stabilized
ARP2B
2012-11-02
Historical
Reaffirmed
ARP2A
2011-08-10
Historical
Reaffirmed
ARP2
1943-01-01
Historical
Issued

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