File:Apollo CSM Main SPS Engine Valve Package.jpg
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Summary[edit]
| Description |
English: Apollo CSM Main SPS Engine Valve Package: The heroic engine that brought Apollo back from the moon, well except for Apollo 13. Assembled and tested in Q2, 1969.
With only one combustion chamber and expansion nozzle in space, engineers designed a simple SPS 20,500-pound thrust engine to perform flawlessly each time. Instead of mechanical pumps with moving parts, helium forced fuel and oxidizer into the combustion chamber. With no throttle, the engine either burned wide open or was off. To simplify the ignition system, the SPS engine’s fuel and oxidizer ignited on contact with each other (hypergolic fuels requiring no igntion system). The SPS engine was the Aerojet AJ10-137, which used Aerozine 50 as fuel and nitrogen tetroxide (N2O4) as oxidizer to produce 20,500 lbf (91 kN) of thrust. An artifact in the Future Ventures’ 🚀 Space Collection. |
| Date | |
| Source | https://www.flickr.com/photos/jurvetson/51825475058/ |
| Author | Steve Jurvetson |
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This image was originally posted to Flickr by jurvetson at https://flickr.com/photos/44124348109@N01/51825475058. It was reviewed on 17 January 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:41, 17 January 2022 | | 4,553 × 3,003 (2.16 MB) | Sv1xv (talk | contribs) | Uploaded a work by Steve Jurvetson from https://www.flickr.com/photos/jurvetson/51825475058/ with UploadWizard |
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