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SAE J245 1971 Edition, April 1, 1971
ENGINE RATING CODE-SPARK IGNITION
Description / Abstract:
This code specifies the conditions of testing and engine configuration which must be satisfied in order to qualify for the designation "SAE net" horsepower or "SAE gross" horsepower or in any way to indicate power capability conforming to SAE standards or requirements. It is applicable to all types of spark ignition engines except turbocharged spark ignition engines for which definitive power correction data are lacking. This code is not intended as a complete laboratory test manual or for derating engines for altitude.
This code is composed of the following sections:
Definitions of Terminology
Test Equipment Requirements
Test Procedures
Computation
Presentation of Results
Purpose
The purpose of this code is to provide a standard for documenting the rated performance of an engine and a standard procedure for determining this performance in an engine dynamometer laboratory.
This code is composed of the following sections:
Definitions of Terminology
Test Equipment Requirements
Test Procedures
Computation
Presentation of Results
Purpose
The purpose of this code is to provide a standard for documenting the rated performance of an engine and a standard procedure for determining this performance in an engine dynamometer laboratory.
SAE J245 1971 Edition, April 1, 1971
ENGINE RATING CODE-SPARK IGNITION