![]() Les Eason of his troubles when he began to experience tunnel vision and passed out. “When I hit the water brake,” Beeding recalled in a recent interview, “It felt like Ted Williams had hit me on the back, about lumbar five, with a baseball bat.” Beeding had barely informed flight surgeon Capt. The Daisy shot down the track, reached a top speed around 35 mph, and came to a screeching halt in less than a tenth of a second. Participants rode the “Daisy Sled” (so-called because it was originally designed to be air, and not a rocket, powered) at various speeds and in many different positions - even head first - in an attempt to learn more about the g-force limits of the human body. In 1958, a series of experiments using a miniature rocket sled began at Holloman AFB under the supervision of Colonel John Stapp and Captain Beeding. Air Force captain and rocket test subject. ![]() World Record 83 G Deceleration Peak on Rocket Sled (1967) USAFĮli Lackland Beeding Jr. Sensors showed Beeding took a momentary peak of 82.6 g while sustaining an average of 40.4 gs for 0.04 seconds. In the second event, on May 16, 1958, Eli Beeding, facing backward, was accelerated to 35 mph, then stopped in less than 1/10 second (over a distance of 1 foot). First, on December 10, 1954, John Paul Stapp, facing forward, was accelerated to a speed of 632 mph, breaking the land speed record and making him “the fastest man on earth.” The sled was then slowed by water, and Stapp took 46.2 g for 1.1 seconds.
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