Panchronia

John Stapp's rocket sled

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1954 · Holloman Air Force Base, New Mexico · Americas · Science

A doctor hit 1,000 km/h and stopped in about a second

John Stapp's rocket sled
US Air Force · Public domain · Wikimedia Commons

Air Force doctor John Stapp tested on himself how much deceleration a human can take. On 10 December 1954 a rocket sled took him to 1,017 km/h and stopped him in 1.4 seconds; he survived 46 g, and his work fed into car seat belts.

State: United States of America

Did you know

In 1954 'the fastest man on Earth' was a doctor. On a rocket sled John Stapp reached 1,017 km/h and stopped in 1.4 seconds. The 46 g left him briefly blind, but he lived and went on to campaign for car seat belts. Share →

Murphy's law was born in John Stapp's tests. At Edwards Air Force Base in 1949 engineer Edward Murphy found every sensor wired backwards, and Stapp later repeated his grumble to the press: if anything can go wrong, it will. Share →

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