ROCKETSLED
Rocket sled
A rocket sled is a test platform that slides along a set of rails, propelled by rockets. As its name implies, a rocket sled does not use wheels. Instead, it has sliding pads, called "slippers", which are curved around the head of the rails to prevent the sled from flying off the track. The rail cross-section profile is that of a Vignoles rail, commonly used for railroads.The above text is a snippet from Wikipedia: Rocket sled
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rocket sled
Noun
- A rocket-propelled vehicle constrained to run on a rail used for experimental purposes.
The above text is a snippet from Wiktionary: rocket sled
and as such is available under the Creative Commons Attribution/Share-Alike License.