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John Stapp, US aviation researcher
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John Stapp, US aviation researcher
John Paul Stapp (1910-1999), US aviation researcher, in a laboratory. Stapp pioneered the study of the effects of deceleration on humans. He gained a doctorate in biophysics and a degree in medicine before joining the US Air Force in 1944. From 1946 he worked on the deceleration project that was studying how pilots could survive crashes. The model seen here is of the human decelerator sled. This was mounted on rails and powered by rockets. 45 sets of powerful brakes supplied the deceleration forces required. The system began operating in 1947. By August 1948, several runs involving humans had been made. Dr Stapp was one of the most frequent volunteers. Forces of up to 45 G were achieved safely (1 G is the force of gravity at the Earths surface). This work led to the design of improved safety harnesses for aircraft pilots
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Media ID 6411672
© DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY
1900s Aviation Avionics California Deceleration Design Development Doctor Edwards Air Force Base Engineer Experiment Experimenting Forties North American Portraits Researcher Researching Scientist Testing Us A G Force Harnesses Laboratory Mono Chrome Safety Harness
EDITORS COMMENTS
This print captures the renowned US aviation researcher, John Paul Stapp, in his element within a laboratory. With an impressive background in biophysics and medicine, Stapp dedicated his career to pioneering the study of deceleration effects on humans. In 1944, he joined the US Air Force and embarked on a groundbreaking project focused on enhancing pilot survival rates during crashes. The centerpiece of this image is the human decelerator sled model that Stapp developed as part of his research. This ingenious contraption was mounted on rails and propelled by rockets while being equipped with an astounding 45 sets of powerful brakes to generate necessary deceleration forces. By August 1948, numerous successful runs involving human subjects had been conducted using this system, with Dr. Stapp himself frequently volunteering for these daring experiments. Remarkably, these tests achieved safe forces of up to 45 G (where 1 G represents Earth's gravity). The invaluable insights gained from Stapp's work led to significant advancements in aircraft safety harnesses for pilots worldwide. This historical photograph not only showcases Dr. John Paul Stapp's unwavering dedication but also highlights the remarkable technological advancements made in aviation research during the mid-20th century. It serves as a testament to his pioneering spirit and enduring legacy in ensuring safer skies for all aviators around the globe.
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