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SAE J643_202308 : 2023

Hydrodynamic Drive Test Code

Standard Details

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:aTorque ratio versus speed ratio and output speedbInput speed versus speed ratio and output speedcEfficiency versus speed ratio and output speeddCapacity factor versus speed ratio and output speedeInput torque versus input speedNOTE: 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.).

Cross Reference:

General Information

Status : Stabilized
Standard Type: Main
Document No: SAE J643_202308 : 2023
Document Year: 2023
Pages: 10

Life Cycle

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SAE J643_202308 : 2023
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