Lt. Col. John P. Stapp rides the rocket sled at Edwards Air Force Base
For rocket launches assisted by non-rocket powered guideways, see rocket sled launch.
A rocket sled is a test platform that slides along a track (e.g. set of rails), propelled by rockets.
Sonic Wind No 1. This rocket sled was ridden by John Paul Stapp in the 1950s.
A rocket sled differs from a rocket car in not using wheels; at high speeds wheels would spin to pieces due to the extreme centrifugal forces. Apart from rare examples running on snow or ice (such as Max Valier's RAK BOBs of the late 1920s[1]), most rocket sleds run on a track. Although some rocket sled tracks use single beams or magnetic levitation, most use railway track. Sliding pads, called "slippers", are curved around the head of the rails to prevent the sled from flying off the track.[2] The rail cross-section profile is generally that of a Vignoles rail, commonly used for railroads.
A rocket sled holds the land-based speed record for a vehicle, at Mach 8.5.
^"Ein schneller Schlitten". Deutsches Museum. 30 December 2013. Retrieved 2024-02-17.
^"The Fastest Rocket Sled On Earth". impactlab.com. 16 January 2006. Archived from the original on 2022-05-22. Retrieved 2008-03-18.
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