Small passenger car transmission test: Ford C4 transmission
The small passenger car transmission test was initiated to supply electric vehicle manufacturers with technical information regarding the performance of commercially available transmissions. This information would enable EV manufacturers to design a more energy efficient vehicle. With this information the manufacturers would be able to estimate vehicle driving range as well as speed and torque requirements for specific road load performance characteristics. This report covers the 1979 Ford C4 automatic transmission. This transmission was tested per a passenger car automatic transmission test code (SAE J651b) which required drive performance, coast performance, and no load test conditions. Under these test conditions the transmission attained maximum efficiencies in the mid-80% range for both drive performance tests and coast performance tests. The major results of this test are the torque speed and efficiency curves which are located in the data section of this report. These graphs map the complete performance characteristics for the Ford C4 transmission. This information will facilitate the vehicle manufacturer in the design of a more energy efficient vehicle.
- Research Organization:
- Eaton Corp., Southfield, MI (USA). Engineering and Research Center
- DOE Contract Number:
- AI01-77CS51044
- OSTI ID:
- 5105976
- Report Number(s):
- DOE/NASA/0124-2; NASA-CR-159881
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ELECTRIC-POWERED VEHICLES
MECHANICAL TRANSMISSIONS
HYBRID ELECTRIC-POWERED VEHICLES
PERFORMANCE TESTING
MACHINE PARTS
TESTING
VEHICLES
330300* - Advanced Propulsion Systems- Electric-Powered Systems
330400 - Advanced Propulsion Systems- Hybrid Systems
330602 - Vehicle Design Factors- Engine-Transmission Matching