Fifty tests were conducted with two vehicles, an XM410E1, 8x8, 2-1/2-ton cargo truck and the MEXA 10x10, 2-1/2-ton, wheeled, articulated test bed. The vertical obstacle test course at WES, on which rigid, single or multiple obstacles of various heights and shapes can be tested, was used. The primary purpose of these tests was to obtain data to relate obstacle height, vehicle speed, and vertical acceleration (at selected locations on the vehicle) for use as input to the AMC-71 cross-country mobility prediction model. A secondary purpose was to provide data for use in verifying the vehicle dynamics prediction models using test data for the XM410E1 and MEXA 10x10. Results of the test are presented by curves relating, for a series of obstacle heights, the speed of the vehicle at contact with the obstacle versus peak accelerations at selected locations on the vehicle, and obstacle height versus speed for a vertical acceleration of 2.5 g's in the driver's compartment and vehicle center of gravity. Test data are compared with predicted results obtained from the dynamic response computer models for both vehicles.
Mobility Exercise A (MEXA) Field Test Program. Report 4. Performance of Selected MEXA and Military Vehicles in Vertical Obstacles
1974
68 pages
Report
Keine Angabe
Englisch
Results Derived from Soil-Vehicle Field Test Program of MEXA Design Vehicles
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