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DESIGN OF TEST ARTICLE
TEST PROCEDURES AND RESULTS
3 other sections not shown
80-percent deformation Absorbers After Drop acceleration pulse shape accelerometer aircraft was tested antirebound device approximately one-half Army aircraft Aviation Crash Injury Cable Slippage cept was practical Crash Injury Research cross frame Deceleration Deformation Curves deformation rate determined that forces Drop 16 Drop Carriage drop height drop tower efficiency cont'd energy absorber curves energy absorber deformation energy absorbing devices Experimental Seat experimental troop seat Figure 17 Flight Safety Foundation forces acting G force Hardman Mark high G triangular Left Side Cable load low G trapezoidal Mark III energy NASA number of absorbers oscillograph paper honeycomb pelvic G percent deformation plywood pounds reduced by approximately S. H. Robertson Report seat belt seat drop tests seat for Army series of tests shown in Figure Side Cable Failure side strap side support cable single energy absorber test 14 trapezoidal shape triangular shape upper strap bar USATRECOM Task 9R95-20 vertical View of Drop weight combinations