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Statistical Evaluation of Brake Safety Improvements for Passenger Cars
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English
Abstract
Statistical analyses were used to evaluate the safety effects of dual master cylinders, front disc brakes, and the brake modifications in passenger cars that were associated with the version of Federal Motor Vehicle Safety Standard 105 that took effect on January 1, 1976. Regression analyses of accident data associated substantial and statistically significant reductions in brake failure accidents with dual master cylinders. Similar analyses associated a modest but statistically significant reduction in brake failure accidents with front disc brakes, but no significant reduction in other types of accidents. Stopping tests with new and used cars showed modest reductions in stopping distance for 1978 cars (built after the 1/1/76 version of the brake standard took effect) relative to 1973 (pre-standard) cars.
This paper presents the views of the author and not necessarily those of the National Highway Traffic Safety Administration (NHTSA).
Citation
Kahane, C. and Ichter, K., "Statistical Evaluation of Brake Safety Improvements for Passenger Cars," SAE Technical Paper 841236, 1984, https://doi.org/10.4271/841236.Also In
References
- Kahane C.J. “A Preliminary Evaluation of Two Braking Improvements for Passenger Cars: Dual Master Cylinders and Front Disc Brakes.” National Technical Information Service Report No. DOT HS-806 359 1983
- Ichter K.D. “Evaluation of Hydraulic Brake System Tests of Used 1973 and 1978 Vehicles.” National Technical Information Service Report No. DOT HS 806-164 1982
- Treat J.R. et al. “Tri-Level Study of the Causes of Traffic Accidents: Final Report,” 1. National Technical Information Service Report No. DOT HS-805 085 1977
- Thomas T.H. “Disc Brakes Two Years After.” SAE Paper 670197 1967
- Stewart J.R. “Statistical Evaluation of Federal Motor Vehicle Safety Standard 105 (Passenger Car Hydraulic Brakes).” National Technical Information Service Report No. DOT HS-806 210 1982
- Federal Register 37 September 2 1973 17970
- Boyer R.C. Anderson R.L. Enserink E. “Vehicle Braking Systems Test Procedure - Hydraulic Brakes.” National Technical Information Service Report No. DOT HS-801 308 1974
- Gilchrist A. Enserink B. “Passenger Car Braking Performance.” National Technical Information Service Report No. DOT HS-802 017 1976
- “Component Degradation: Braking System.” National Technical Information Service Report No. DOT HS-801 250 1975