MIL-DTL-11891G(AT)
APPENDIX C
e.
Hilly cross- country course (with a vehicle in tow). When towing a vehicle of
equal weight, the recommended course is the "Truck Hilly Course". This course is
2.2 miles long in one complete scenario. One mile of the course is in the form of
rolling hills with the second mile a number of steep but controllable hills. The
course consists of mostly gravel surfaces with the lower portion having sandy soil.
It is operated in both clockwise and counterclockwise directions. The turns allow for safe
operation when towing a vehicle of equal weight.
C.3.5.1 Operational mode summary. The vehicle shall perform to the requirements as
specified in table VIII. When towing, towed load shall be a vehicle of equal weight to the test
vehicle.
Table VIII. Road test.
Course
Mileage and speeds
Vehicle loading
Hard/gravel
240 miles at varying
Simulated combat payload
surface
speeds up to maximum.
towed load for 30% of
specified test mileage.
Level cross-
480 miles at varying
Simulated combat payload
country
speeds up to maximum.
towed load for 35% of
specified test mileage.
Hilly cross-
336 miles at varying
Simulated combat payload.
country
speeds up to maximum.
Hilly cross-
144 miles at varying
Simulated combat payload
country (with
speeds up to maximum.
and towed load.
a vehicle in
tow)
C.3.5.2 Climatological conditions. In order to expose the track test samples to the
maximum "hot" weather conditions, vehicle road testing shall be scheduled to start no earlier than
1 March and no later than 1 September of the same calendar year.
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