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Jack Swigert (CMP)
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Okay. After verifying the MAIN BUS voltage connecting the LM POWER to CSM I want to pull MAIN B BAT BUS B, or MAIN B to BAT BUS B, open.
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Joe Kerwin (CAPCOM)
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That's correct. And then on panel 250, circuit breaker BAT B POWER ENTRY/POSTLANDING to open, and verify MAIN BUS B voltage.
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Jack Swigert (CMP)
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Okay. Panel 250 BAT B POWER ENTRY/POSTLANDING, open, and then verify the MAIN BUS voltage.
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Joe Kerwin (CAPCOM)
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Okay. That's correct. The last steps are to get the LM back on descent batteries. The first step is BATs 1, 2, 3, and 4, HI VOLTAGE, ON. Over.
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Joe Kerwin (CAPCOM)
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That's correct. That should configure you. Note that circuit-breaker protection on that circuit limits the available current to 15 amps. We think we can do quite a bit with it though. And the LM/CSM umbilical will be hot and MAIN BUS voltage may be monitored by selecting MAIN B on the gage. Over.
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Fred Haise (LMP)
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Okay. While Jack was on COMM, I was looking out the docking window here, and I could see another good shower of particles coming out of the service module. And the position this time appears to be on the other side. Before, we'd always seen them out of window 1, and where I'm looking at it from here, it looks like it'd be down below window 6 somewhere in the service module. Jack's going upstairs to see what it looks like up there.
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Joe Kerwin (CAPCOM)
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Okay. Good deal. We copy that, Fred. And to show you how relaxed we are about the entry, Ken is looking at—giving you guys a chance to—prior to going into entry, PREP to snap a few pictures of the service module.
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Fred Haise (LMP)
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Oh, I thought maybe you'd want me to do a PLSS EVA to go shoot pictures or something.
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Fred Haise (LMP)
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You're right; we got a lot of pictures.
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Fred Haise (LMP)
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I guess I agree it surely would be nice to document it someway if we can, but it doesn't look like …
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Fred Haise (LMP)
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Brings up another possibility. Now that we've got all of that stowed into the bags and the condensate can, we could probably blow all of that through the PLSS …, I wonder how the sublimator would work on waste water.
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Joe Kerwin (CAPCOM)
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It might work if we had to do it, Fred. Right now we're looking at a comfortable excess of water through the sublimator. We were talking among ourselves this morning about having you try out the PLSS to ascent tank water-transfer situation and we decided not to do it, not to recommend it, because we figure it'd take us 30 hours to empty one of the ascent tanks, which you have to do in order to get PLSS water to it, and we'd rather use the descent water and we don't think we've gotten any sweat. Over.
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Fred Haise (LMP)
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Okay, Joe. I don't think there's any question about it from the plumbing standpoint that we could do that if we had to.
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Fred Haise (LMP)
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I think our PTC wobble is growing worse. The Earth now is really up to the top of the window. I have to get way down almost to the floorboards to view it. Conversely, the Moon is way down at the bottom of the window.
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Joe Kerwin (CAPCOM)
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Okay. Copied that, Fred. And our thermal people will be looking at it. One of the things we're talking about relative to the midcourse correction is we'd like not to do it before the SHe tank goes, if it's going to go, just so it won't give us a problem reestablishing PTC. And right now our people think that the burst disk will pop around 106 hours.
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Joe Kerwin (CAPCOM)
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Okay, Fred. Since you went ahead and used the PLSS condensate container, we got the procedure in for using it. I'm not going to read it up to you except that it cautions a little bit about shaking it too much or about filling it too full, because they feel that if you do that the vent valve might unseat and the bag might leak a little bit. Over.
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Fred Haise (LMP)
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Okay. We haven't removed it from its stowage spot. We just left it right in place, and just—he mated the tank at the end of the cable and hooked right into that.
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Joe Kerwin (CAPCOM)
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Understand. That's satisfactory and recommended that you leave it in the stowage spot. That should help the situation.
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Fred Haise (LMP)
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We got a—we got another flow shower going on outside. Particles, seeing them vented against the service module. Jack thinks it may be an H2 vent. …
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Joe Kerwin (CAPCOM)
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The docking window. Roger that. Somebody just handed me your latest consumables status report, and you're using between 11 to 12 amps an hour real steady, and it looks real good.
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Joe Kerwin (CAPCOM)
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I think you wanted the GET, Jack, and the present GET is 96 hours 21 minutes. Over.
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Joe Kerwin (CAPCOM)
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And Jack, Houston. For your information, FIDO tells me that we are in the Earth's sphere of influence and we're starting to accelerate.
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Jack Swigert (CMP)
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There's something that puzzles me, Joe. Vance mentioned yesterday that the planned entry is a CMC-guided entry, so I'm kind of curious as how are we going to get the alinement.
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Joe Kerwin (CAPCOM)
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Okay. We got a number of interesting ideas on that and the latest one I've heard is to power up the LM platform and aline it, and aline the CM platform to it.
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Joe Kerwin (CAPCOM)
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Okay. We are taking our final look at the mid-course procedures and we have a question as to the present position of one of the switches. The switch is the AGS STATUS switch on panel 6. We'd just like to know where it's at.
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Unidentified crew member
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Okay, Vance. I just heard a little thump, sounded like down in the descent stage, and I saw a new shower of snow flakes come up that looked like they were emitted from down that way. We've already decided though—I wonder what the SUPERCRIT pressure looked like now.
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Vance Brand (CAPCOM)
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Okay. Understand you saw a thump in the descent stage and a few snow flakes. We'll take a look down here, see if we see anything.
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Vance Brand (CAPCOM)
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Fred, we don't see anything wrong. For example, your SHe appears to be okay as far as we can see. The thing we don't have data on, is the … tank down there.
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Vance Brand (CAPCOM)
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While you're on the horn, be advised our calculations show you might be running out of potable water in the CSM pretty soon. Also, that you might start to have hydrogen tank venting in the CSM and a question. Next time Jack looks through the sextant and telescope, we'd like him to see how it looks. Do you have anything on the optics, any specks or anything?
Spoken on April 15, 1970, 6:37 p.m. UTC (54 years, 7 months ago). Link to this transcript range is: Tweet
