 |
|||
|
|
|||
| ||||||||||
|
|  MIL-T-62491C
air. The factors to be used in predicting truck ability (see 3.3.1.1) are established as follows for
the corresponding SAE Truck Ability Prediction Tables:
Table 1
- Tire Factor. This factor must relate to the size of tires furnished
by the contractor in accordance with this specification.
Table 2
- Altitude Factor. 1.00
Table 3
- Rolling Factor. 1.613
Table 4
- Area Factor. 0.173
Table 5
- Velocity Factor. 250.0
Table 6
- Altitude Factor. 1.00
Table 7
- Chassis Friction Horsepower. Use applicable power unit GVW
(to nearest, higher, 454 kg (1,000 pounds)) and the engine rpm
(to nearest 100 revolutions) which is required for 80 km/h
(50 mph) geared speed. For GVW and engine speed beyond the
range of this table, factors shall be extrapolated.
Table 8
- Grade Factor. 0.75
Table 8A
- Correction Factor. Not required.
Table 9
- Road Factor. 0.0.
6.4 Change in classification. The initial issue of this document covered only hydraulic
wreckers, as follows:
Previous (initial) class
Current class, type I
A
10
B
28
C
32
D
39.5
E
50
Mechanical wreckers were formerly covered by specifications KKK-T-2107 through 2111, as
follows:
Previous coverage, type V in
Coverage in this document:
KKK-T-2107, class D
Type II, class 21, model 4x2
KKK-T-2108, class A
Type II, class 24, model 4x2
KKK-T-2108, class C
Type II, class 32, model 4x2
KKK-T-2109, class A
Type II, class 34.5, model 6x4
KKK-T-2109, class C
Type II, class 44.5, model 6x4
KKK-T-2110, class C
Type II, class 24, model 4x4
KKK-T-2111, class A
Type II, class 36, model 6x4
KKK-T-2111, class B
Type II, class 44, model 6x6
48
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals