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    Critical yellow warning at IVT

    Yes I did! That could be the reason!
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    Critical yellow warning at IVT

    Thanks for your reports! Fantastic work you are doing and it is appreciated. No it was not a pre saved mission but Apollo 9 launch scenarios. The temperature in the CSM started to rise after I activated the cabin fans, thanks for the tip. Getting the suit temperature up and stabilized was more...
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    Critical yellow warning at IVT

    I think it's got to do with the suit and the cabin temperature in LM. They are only 40 F (the lowest) and I don't know how to increase the temperature. Have set the suit temperature to max in LM but it does not seem to increase the temperature visibly but the MFD now shows green OK. Any...
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    Critical yellow warning at IVT

    I started T +41h 50m Apollo 9 v8 “into LM” and the CMS O2 HOSES connected once both tunnel hatches were opened. At 42:00:00 I went into the LM to do all activation steps mentioned in the LM and I got immediately the LMP in CRITICAL conditions. So I have LMP in the suits in the LM without the LM...
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    Low cabin temp

    Yes, I understood that. I've read a bit about it on Discord and think I have a good handle on it now.
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    Low cabin temp

    Yes, the cabin fans raise the cabin temp. Thanks! But how is the suit temperature regulated?
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    Low cabin temp

    No but i have tried. Maybe not long enough. How long before I see any effect? Does the cabin temperature affect the suit indirectly? Or how is the suit temperature regulated? Which mode should the heat exchanger nomally be on, flow or? But I will try and see what happens with the cabin fans...
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    Low cabin temp

    temp
  9. S

    Low cabin temp

    Hi, I have low cabin temp (40 F) in CM that I can't get up. Apollo 9 v8, 40 hours into the mission. Suit temperature is ok but a little low (60 F). Is there any suggestion to raise the temperature? I have tried with both cabin fans on with no results. I have cabin temp on auto and max. Have also...
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    Apollo 9: P52 Opt 1 (Preferred) at T+5:10:00 Question

    Very good and instructive thread! It helped me a lot to understand P51 and P52 and why I do the Alignment Check. Impressed by your knowledge.
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    P51 alarm

    Just for information. This time everything worked as it should but I'm not quite sure why:). I think I don't fully understand what is going on under p51 and p52. And I'm not sure what happens with the different choices PREF, NOM and REFMMAT. Anyone able to explain or give me something to read...
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    P51 alarm

    Do again do right! Thank you for your invaluable help. I'll go back and redo. That is the advantage of many save:)
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    P51 alarm

    40E? I have skipped that and gone straight to 37E 00E. Is this what I have done wrong? REFSMMAT with a 40E?
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    P51 alarm

    Yes, there is something here that I don't understand. Please explain in detail what I am expected to do. Where exactly should the spaceship aim and how do I know where to aim it? As you can see, I am not fully aware of the procedure.
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    P51 alarm

    It is true but I have done a pitch up before doing P52 but still I get 405.
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    P51 alarm

    Hi rcflyinghokie and thanks for helping me! Yes, I'm doing the P51 after CMC/G&N powerup. No, I have not done a maneuver spacecraft to have a heads down/optics up attitude. Here I am very unsure of what I am expected to do. Please explain in detail what I am expected to do in relation to P51 and...
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    P51 alarm

    This is strange but I'm obviously doing something fundamentally wrong. I am using apollo 9 NASSP v8. I have done a P51 with no problems and am now going to do a P52 Preferred orientation 00001 and then always get program alarm 405. The telescope cannot find the proposed star and is pointing at...
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    P51 alarm

    I will check V05 N09. I didn't know you could get the alarm code
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    P51 alarm

    Yes I have NASSP v8 and it's PROG ALARM light on. I've been wondering if it might be necessary to zero the telescope with mod zero (and wait 15 seconds) between star 1 and 2?
  20. S

    P51 alarm

    For some reason I often get an alarm when I do Program 51. This happens when I have marked a star with V51. Despite this, it is fine to continue with the next star and V06N05 is still 00000. Why do I get the alarm? Is it the angle between the stars that affects whether I get the alarm or not? Or...
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