The History of Crash Test Dummies and Airbag Saftey
The History of Crash test Dummies and Air bag safety Crash test dummies are very important in vehicle safety. Without them the death rate in car accidents would be higher. Dummies are used so human lives can be saved. Crash test dummies have been greatly developed over the years, they are put through many tests and these tests need to be done to help improve automobiles. First of all, the development of today's crash test dummies has required a lot of work. In 1949, the Sierra Sam was first made. It was a 95th percentile adult male dummy. It was used by the United States Air Force to test aircraft ejection seats. It had a humanlike exterior shape, body weight and some limb joints. The spine and neck designs had very little resemblance to humans. Mark I, created in 1952, was also a 95th percentile male. It was used by the U.S. and European Air Forces. This new design was similar to humans only in shape, size and total weight. The elbows, wrists, knees and ankles were one piece limbs which caused them to be too stiff to provide accurate data. As a result, only a few models were produced. Other dummy models, the F,B & P general purpose dummies, were produced in 1953 and was available in eight different sizes. It had a better des
So more tests of being done to make air bags safer for these people. In appearance they looked correct, but neither model was built to the right weight distribution. The Safety Test Instrumentation Standards Committee is one of the standards committees under the Vehicle Systems Group. In some dummies there are three accelerometers inside the head that measure the deceleration of the head in three different directions, when it hits the steering wheel. SID are currently the federal standard for ensuring for making sure that new cars meet the side impact crashworthiness regulations. A pregnant model dummy had been made to try and make a seat belt system that is safer for the expecting mother, because about 4000 pregnancies per year end because of automobile accidents. This threw off the accuracy of test results. Until this time, crash dummies were made to meet the standards of aircrafts. Hopefully, with more advancements of test dummies in the future, the amount of deaths due to automobiles will continue to decrease. Red chalk is put on the dummy's head and torso to mark the spot where the body hits the steering wheel during the impact. SAE J211 Recommended Practice "Instrumentation for Impact Tests" was established in October 1970, to help create more testing standards. This dummy had the most humanlike appearance to that date, she wore a realistic wig. The Hybrid III, 50th percentile male, weighs 172. Also in 1970, other Sierra models were created.
Common topics in this essay:
Administration NHTSA,
Dummy EUROSID,
VIP People,
Air Forces,
Hybrid III,
Dynamic Dan,
Dummies Air,
VIP3C VIP6C,
Hybrid II,
Air Force,
test dummies,
crash test,
crash test dummies,
50th percentile,
air bags,
percentile male,
dummy testing,
provide accurate,
seat belts,
model dummy,
male dummy,
50th percentile male,
adult male dummy,
5th percentile female,
percentile adult male,
|
Acceptance Essays
