Definition of aerospike
- Essentially an inside-out rocket nozzle, an aerospike gets rid of the traditional bell-shaped nozzle, using atmospheric pressure instead to shape the exhaust plume.
- —Jim Skeen, Daily News of Los Angeles, 26 Apr. 2004
- The aerospike obviates the need for multiple stages to achieve orbit: Unlike traditional engines, it adjusts to changing air pressure as it ascends, so it never needs to be jettisoned.
- —Erick Schonfeld, Fortune, 2 Feb. 1998