SAE J643_202308 PDF

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Hydrodynamic Drive Test Code (Stabilized: Aug 2023)

SAE International , 08/01/2023

File Format: PDF

Category: SAE

Description

Description

Standard By:SAE International , 08/01/2023

Published:08/01/2023

File Size:1 file , 280 KB

Language:English

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SAE J643_202308 PDF

The range of test conditions on the dynamometer shall be sufficient to determine the primary operating characteristics corresponding to the full range of vehicle operations.

The characteristics to be determined are:

Torque ratio versus speed ratio and output speed
Input speed versus speed ratio and output speed
Efficiency versus speed ratio and output speed
Capacity factor versus speed ratio and output speed
Input torque versus input speed

NOTE: For more information about these characteristics and the design of hydrodynamic drives, refer to “Design Practices: Passenger Car Automatic Transmissions,” SAE Advances in Engineering, AE-18 (Third Ed.) or AE-29 (Fourth Ed.).