Hybrid I and II Crash test dummy

two uninstrumented hybrid ii 50th percentile male dummies used ballast in low speed collision test.

general motors, had taken on impetus in developing reliable , durable dummy, found neither sierra model satisfied needs. gm engineers decided combine best features of vip series , sierra stan, , in 1971 hybrid born. hybrid known 50th percentile male dummy. say, modeled average male in height, mass, , proportion. in cooperation society of automotive engineers (sae), gm shared design, , subsequent 5th percentile female dummy, competitors.

since then, considerable work has gone creating more , more sophisticated dummies. hybrid ii introduced in 1972, improved shoulder, spine, , knee responses, , more rigorous documentation. hybrid ii became first dummy comply american federal motor vehicle safety standard (fmvss) testing of automotive lap , shoulder belts. in 1973, 50th percentile male dummy released, , national highway transportation safety administration (nhtsa) undertook agreement general motors produce model exceeding hybrid ii s performance in number of specific areas.

though great improvement on cadavers standardized testing purposes, hybrid , hybrid ii still crude, , use limited developing , testing seat belt designs. dummy needed allow researchers explore injury-reduction strategies. need pushed gm researchers develop current hybrid line, hybrid iii family of crash test dummies.