iPhone 12 Pro Max
ƒ/1.6
5.1 mm
1/120
64
Flight spare from one of the later cancelled missions. Very rare; perhaps only two exist outside the flown spacecraft. And, I was told, there is no good video of their operation. So I took one to demonstrate unlatching.
Apollo ran on low pressure 100% oxygen. The thin-wall LM has an open vent in its top hatch during launch to transition from 1 atm to 0 pressure. After docking to the CM, the pressure equalization valve in the CM forward hatch was opened to allow oxygen to fill the LM through the similar valve in its hatch that was left open at launch.
From the detail photos below, the various subcomponents have date stamps from May 1968 to April 1969.
An artifact from the Future Ventures’ 🚀 Space Collection.
NASA diagram:
Vance Brand practicing for the big moment for the Apollo-Soyuz Test Project in 1975…
I wonder if that is my hatch on the left, as I heard there were only two spare hatch units.
Other side: V36-326629 5/1/68
Handle Assembly V36-553731 Date: 4/15/69
Latches: V36-553761 Date:5/31/68
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