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PEAK STROKING/FAILLRE LOAD COMPARISON OF TROOP SEAT ENER6Y ABSORBERS

PEAK STROKING/FAILLRE LOAD COMPARISON OF TROOP SEAT ENER6Y ABSORBERS

Source publication
TABLE 3 . ARA CREW SEAT ENERGY ABSORBERS
TABLE 4 . SIMULA/NORTON CREW SEAT ENERGY ABSORBERS
TABLE 6 . AVERAGE STROKING LOADS OF TROOP SEAT ENERGY ABSORBERS
TABLE 8 . PEAK STROKING/FAILLRE LOAD COMPARISON OF TROOP SEAT ENER6Y...
+8 TABLE 9 (CONTO). ARA CREW SEAT ENERGY ABSORBER TEST RESULTS SUI4ARY...
Operational Effects on Crashworthy Seat Attenuators
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  • Mar 1990
Energy absorbers were removed from crashworthy crew and troop seats aboard UH-60A Black Hawk helicopters which had been in service for up to nine years. The fielded energy absorbers were tested both statistically and dynamically and the load-deflection characteristics were compared to new energy absorbers to determine the operational effects. There...
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Context 1
... Inspection of the failed energy absorbers determined that all wire fractures were due to overstress. Table 8 Since the peak load of the failed attenuators is approximately the same as the successful attenuators, it is concluded that the overstress was not caused by overload. The calculated direct tensile failure load of the attenuator is over 4000 lb, well above the loads experienced during these tests. ...
Context 2
... seats were modeled, as shown in Table 18. The energy absorber load- deflection characteristics are shown in Figure 44. ...