From Surf Wiki (app.surf) — the open knowledge base
R-4D
The R-4D is a small hypergolic rocket engine, originally designed by the Marquardt Corporation for use as a reaction control system thruster on vehicles of the Apollo lunar landing program. Aerojet Rocketdyne manufactures and markets modern versions of the R-4D.
Rendering article…
Content sourced from manual.
This content may have been generated or modified by AI, and may be sourced from third parties. CloudSurf Software LLC makes no warranties as to its accuracy, completeness, or reliability, and accepts no liability for it. Always verify important information against primary sources.
Report