Aerospike engine | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-07-04

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Aerospike_engine


00:01:09 1 Principles
00:04:48 1.1 Variations
00:05:47 2 Performance
00:10:33 3 Implementations
00:10:42 3.1 Firefly Aerospace
00:12:03 3.2 ARCA Space
00:13:22 3.3 KSF Space and Interstellar Space
00:13:48 3.4 Rocketstar
00:14:07 4 See also



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SUMMARY
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The aerospike engine is a type of rocket engine that maintains its aerodynamic efficiency across a wide range of altitudes. It belongs to the class of altitude compensating nozzle engines. A vehicle with an aerospike engine uses 25–30% less fuel at low altitudes, where most missions have the greatest need for thrust. Aerospike engines have been studied for a number of years and are the baseline engines for many single-stage-to-orbit (SSTO) designs and were also a strong contender for the Space Shuttle main engine. However, no such engine is in commercial production, although some large-scale aerospikes are in testing phases.The terminology in the literature surrounding this subject is somewhat confused—the term aerospike was originally used for a truncated plug nozzle with a very rough conical taper and some gas injection, forming an "air spike" to help make up for the absence of the plug tail. However, frequently, a full-length plug nozzle is now called an aerospike.