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Sorry to ask such a similar question as the last one, but I already marked that one as answered. My friend who works at the Endeavour exhibit in LA found this diagram left on the ground after a gentleman from Rocketdyne came in to look at their testbed SSME on display.

He insists that it does not exist in the public domain due to it being labeled Aerojet Rocketdyne proprietary. I'm pretty sure it's got to, as at least the engines are owned by NASA (even if the design isn't (?)). If is it not in the public domain, how and why? If so, where can I find it?

enter image description here

enter image description here enter image description here

Just for clarification, I'm all but sure this is simply a color version of the same diagram in the linked photo.

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It can be found in the wild. This isn't a quality image but goes to show that.

enter image description here

Source (twitter)

Buy it at auction here! (no affiliation)

As far as a document goes, more modern versions of the SSME System Engineer Handbook referenced in the answer to the linked question contain a color version of the drawing. They have titles like Space Shuttle Main Engine Flight Operations Handbook [Orbiter-name] [Mission-number] – for example, Endeavour STS-127 No document number though.

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  • $\begingroup$ Hmm. Any ideas where to start searching for the digital source? $\endgroup$ Commented Dec 15, 2021 at 0:12
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    $\begingroup$ @AntonHengst the more modern versions of the SSME Systems Engineer Handbook linked in the answer to the other question have the color version of the drawing. But I have not found one of those modern versions on the internet. Updated title is Space Shuttle Main Engine Flight Operations Handbook [Orbiter-name] [Mission-number] $\endgroup$ Commented Dec 15, 2021 at 14:27
  • $\begingroup$ @AntonHengst ok! Please report back if you obtain one. $\endgroup$ Commented Dec 15, 2021 at 15:10
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So ... @AntonHengst I have ALL kinds of versions on color and non-color SSME diagrams. Request from you, can you pass the Space Shuttle link to your LA Endeavour Docent friend? I have tried to send this to them to no avail: https://gandalf.azureedge.net/shuttle.html

The design and diagrams were paid for by Tax dollars so they are not copyright. I used to work on the MPS / SSME subsystem on the shuttle at KSC. The diagrams were referenced extensively by engineering and the Rocketdyne techs for Shuttle processing. In the engine Shop the diagrams were mounted all over the place. See: https://gandalfddi.z19.web.core.windows.net/Shuttle/SSME_MPS_Info/Shuttle_MPS_SSME_Tech_Meeting/wp_000114.jpg enter image description here

I think a better version for you would be any of the following: https://gandalfddi.z19.web.core.windows.net/Shuttle/SSME_MPS_Info/ssme_block1.jpg https://gandalfddi.z19.web.core.windows.net/Shuttle/SSME_MPS_Info/ssme_block1_2.jpg https://gandalfddi.z19.web.core.windows.net/Shuttle/SSME_MPS_Info/SSME_Block1_3.jpg

enter image description here

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