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XRS-2200 Linear Aerospike Engine Test fire at NASA Stennis Space Center (SSC)
Barrel Roll

A short test firing of the XRS-2200 linear aerospike engine at NASA Stennis Space Center, which was designed for the cancelled X-33 VentureStar. The engine is shown at roughly 80 percent of max thrust.
Linked as the go-to footage of a linear aerospike engine actually running whenever aerospike nozzles come up.
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