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  Apollo LM RCS coupling: flight spare or GSE?

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Author Topic:   Apollo LM RCS coupling: flight spare or GSE?
RangeZero
Member

Posts: 30
From: Indiana, USA
Registered: Jun 2006

posted 11-20-2022 10:28 AM     Click Here to See the Profile for RangeZero     Edit/Delete Message   Reply w/Quote
I recently acquired a helium test point coupling for the Apollo lunar module's RCS (reaction control system).

I’m pretty sure it is a flight spare but not certain that it's not GSE (ground service equipment). Any opinions or more information would be greatly appreciated.

space1
Member

Posts: 921
From: Danville, Ohio
Registered: Dec 2002

posted 11-21-2022 04:06 AM     Click Here to See the Profile for space1   Click Here to Email space1     Edit/Delete Message   Reply w/Quote
I think I had originally sold this from items I had gotten from the Charles Bell estate auctions of 2000. (Bell was a NASA engineer at KSC who had acquired literally acres of surplus from KSC.)

The flight coupling is -1. This -2 coupling is the ground side.

GT76
Member

Posts: 68
From: New Orleans, La. USA
Registered: Jun 2015

posted 11-21-2022 06:29 PM     Click Here to See the Profile for GT76   Click Here to Email GT76     Edit/Delete Message   Reply w/Quote
If you search the NASA Technical Reports Server (NTRS.NASA.GOV) search for Command Module/Service Module Reaction Control Subsystem Assessment document. Although not specifically about the Lunar Module, this test point coupling is identical. It is a 600 plus page document, but you can find a lot of info on this part, including drawings of the airborne and ground halves.

RangeZero
Member

Posts: 30
From: Indiana, USA
Registered: Jun 2006

posted 12-05-2022 09:24 PM     Click Here to See the Profile for RangeZero     Edit/Delete Message   Reply w/Quote
That’s exactly the information I was looking for. I’m disappointed it’s not flight hardware but it’s good to know how exactly this piece was used on the LM as GSE. Thanks so much for your input.

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