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Closeup of nozzle.

ACPS ENGINE

Convergent nozzle design for hydrogen-oxygen thruster (1974).

Image Credit: NASA/PAUL RIEDEL

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https://www.nasa.gov/image-detail/grc-1974-c-01503/

Image CreditNASA/PAUL RIEDEL

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Page Last Updated:

Jun 26, 2025
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Responsible NASA Official:

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