Spacelog Apollo 8

Apollo 8, Houston. Over.

Apollo 8, Houston. Over.

Apollo 8, Houston. Over.

Apollo 8, Houston. Over.

Apollo 8, Houston. Over.

Apollo 8, Houston. Over.

Go ahead, Houston. This is Apollo 8. Burn complete. Our orbit 160.9 by 60.5; 169.1 by 60.5.

Apollo 8, this is Houston. Roger. 169.1 by 60.5. Good to hear your voice.

Apollo 8, this is Houston. Verify your evaporator water control in AUTOMATIC. Over.

Apollo 8, Houston. Over.

Apollo 8, Houston. Over.

Apollo 8, Apollo 8, this is Houston, Houston. Over.

Roger, Houston. We read you loud and clear. How do you read us?

Apollo 8, this is Houston. Reading you loud and clear now. And verify your evaporator water control panel switch to the AUTO position. Over.

Roger. I am sure it is in AUTO.

Roger.

Burn status report as follows: burn on time, burn time 4 minutes 6-1/2 seconds, VG_X minus 1.4, attitude is nominal, no trim, VG_Y was zero, VG_Z was plus 0.2, DELTA-V_C was minus 20.2, orbit 169.1 by 60.5.

Apollo 8, Houston. Roger. The burn on time, burn time of 4:06.5, VG_X is minus 1.4.

Apollo 8, Houston. Verify your EVAP water control on panel 382 is AUTO. Your EVAP OUT temperature is high. Over.

Houston, Apollo 8. Roger. Primary EVAP is AUTO, H₂ flow AUTO. Do you recommend activating the secondary water boiler?

Roger. Copy. Stand by.

Apollo 8, this is Houston. Reverify manual valve on panel 382, evaporator water control AUTOMATIC. Over.

Roger. Verified.

Apollo 8, this is Houston. Recommend you activate your secondary water evaporator.

Secondary EVAP coming on line.

Roger.

Apollo 8, Houston. Turn off your DSE, and we will go to high bit rate. Over.

Roger.

Apollo 8, this is Houston. And I will continue my readback of the burn status report. Copied VG_X zero, VG_Y zero, VG_Z 1.2, DELTA-V Charlie minus 20.2. Over.

Stand by; he's getting the chart out again.

DELTA-VG_Z was 0.2.

Roger. Understand; 0.2 on VG_Z.

Houston, this is Apollo 8. We are on malfunction 1 of 6, going through step 1 to step 2. Over.

Apollo 8, Houston. Roger. Copy.

Correction. That is to step 4.

Roger. Copy; to step 4.

Now to step 13.

Roger. Step 13.

Now to step 14.

Houston. Roger.

Looks like the boiler dried out somewhere along the line.

Roger, Bill.

Houston, this is Apollo 8. I would like to confirm that burn status report. VG_X was minus 1.4, VG_Y 0. VG_Z 0.2, minus 0.2 that is. DELTA-V_C was minus 20.2 -

Apollo 8, —

— apogee 169.1, perigee 60.5.

Apollo 8, this is Houston. Roger. I will read back again. The burn was on time, 4 minutes and 6-1/2 seconds, VG_X minus 1.4, trim nominal, VG_Y zero, VG_Z minus 0.2, DELTA-V Charlie minus 20.2. Over.

That's Roger.

Roger. And we copy your apogee and perigee.