The purpose of this study was to develop pertinent vehicle-lateral obstacle relations for three vehicle test beds (MEXA vehicles) and three conventional military vehicles all having approximately the same payload and to compare the performances of the MEXA vehicles with those of the conventional vehicles. An additional purpose was to develop a method of predicting the speed of a vehicle maneuvering in lateral obstacles. The vehicles were tested on a firm, level surface upon which was imposed a statistically designed array of obstacles at mean spacings of 14, 16, 18, and 20 ft. In 78 of the 118 tests conducted, continuous measurements were made of vehicle speed, drive-line torque, and steering angle. In all tests, measurements were made of time elapsed and distance traveled. The data collected permitted the development of useful relations between vehicle width and minimum obstacle spacing negotiable, vehicle speed and obstacle spacing, vehicle steering angle and obstacle spacing, and vehicle speed and obstacle clearance. These relations were used to develop a single method for relating the maximum speed a vehicle can develop to obstacle spacing that requires only a knowledge of the vehicle width and its speed-traction characteristics on a firm surface. (Author)
Mobility Exercise A (MEXA) Field Test Program. Report 3. Performance of MEXA and Three Military Vehicles in Lateral Obstacles
1970
90 pages
Report
Keine Angabe
Englisch
Road Transportation , Vehicles , Military transportation , Mobility , Performance(Engineering) , Terrain , Soil mechanics , Trafficability , Test methods , Tracked vehicles , Towed vehicles , Instrumentation , Cross country tests , Mexa vehicles , Mexa(Mobility exercise a) , Mobility exercise a , M-113 vehicles , M-35 trucks(2-1/2-ton) , M-410 trucks(2-1/2-ton)
Results Derived from Soil-Vehicle Field Test Program of MEXA Design Vehicles
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