Spacelog Apollo 13

Jack, read you loud and clear.

Okay. Fine.

We show minus 8-1/2 minutes.

Roger. Houston copies.

Close —

Is that too close, Vance, or can you make out the SPS engine panel now?

We can see your fuel and oxidizer gages and hydrogen/oxygen gages at the top of the picture and the PUGS, but it isn't coming in in focus too well. It's a little dim.

Yes. I think the problem is I'm about 2 feet and it doesn't go down but to 4.

Right. We understand that's the panel right in front of your face.

Okay. Vance, stand by for the main …

Okay. We're minus 7 minutes.

Roger.

Fred, the focus is good enough that we can see the position of your four ball valves at the top of the picture for the big SPS engine.

What would you like to watch, Vance?

Hopefully, you'll see the—or we'll see the two on the left here, set A, go on here directly —

Minus 6 minutes.

MAIN BUS TIES, two, ON, Fred. Okay. SPS HELIUM VALVE, two, AUTO and checked AUTO barber pole. TVC SERVO POWER is 1, AC1/MAIN A; 2, AC2/MAIN B.

AC1/MAIN A, AC2/MAIN B.

MAIN BUS TIES, ON.

Okay. ROTATIONAL POWER NORMAL no. 2, AC.

Number 2, AC.

DIRECT, two, OFF.

DIRECT, two, OFF.

BMAGs, three, ATT 1/RATE 2.

ATT 1/RATE 2.

SPACECRAFT CONTROL, SCS.

SCS.

And arm your hand controller.

RHC armed.

Okay. Let's do a primary TVC check.

Fred, are you ready to start primary?

Okay. Go ahead on primaries.

Okay. PITCH 1, START.

Good.

YAW 1, START.

That one's good.

Thumbwheel control. 0.96 plus 0.96 minus 0.23.

That's affirm. Check MTVC.

MTVC checked. Okay.

Okay.

THC —

… C —

— TRIM returns to NEUTRAL.

Clockwise on the translation controller.

Mine? No MTVC.

No MTVC. Okay.

Starting …

Okay.

Okay.

Good.

YAW 2, START.

Okay. Both good.

Good. Good trim control. Minus 0.96, plus 0.96, minus 0.23.

Good.

MTVC. TRANSLATION CONTROL, NEUTRAL. MAX trim up to zero.

Good. No MTVC.

No MTVC.

Okay.

BMAGs MODE, RATE 2.

ROTATIONAL HAND CONTROL POWER, two, NORMAL, AC/DC.

AC/DC.

RATE 2, MAIN A/MAIN B.

B.

Okay. BMAGs, you got three, RATE 2? Okay, we'll proceed for final trim.

MAG's where we are.

Okay. BMAG MODEs, three, ATT 1/RATE 2.

ATT 1/RATE 2.

… ENTER. Okay. We'll do the GIMBAL TEST OPTION.

Okay. PROCEED.

Proceeding.

Plus 2, minus 2, 0, plus 2, 2, 0.

Yes. We can hear and feel the engine gimbal as we do the test.

Roger. Good —

FDAI SCALE —

— … relay cut in and TRIM is set.

FDAI SCALE, 5/5?

5/5.

RATE, HIGH and update the DET.

Time?

Let's check it.

Okay. We're coming up on 3 minutes. I'll give you a Mark.

Fair enough.

MARK.

Three minutes. DET is good.

Okay. We're set.

AS 58, we want DELTA-V THRUST A to NORMAL.

Jim, Houston. You're looking good down here. GO for the burn.

Right, Vance.

Okay. Two minutes. DELTA-V thrust —

DELTA-V THRUST A to NORMAL.

NORMAL.

TRANSLATION HAND CONTROLLER armed. Arm your ROTATIONAL HAND CONTROLLER. I've already got mine armed. Okay, Fred. TAPE RECORDER, HIGH BIT RATE, RECORD, FORWARD, COMMAND RESET. Standing by for 59.

It's running.

Minus 1 minute.

Okay …

AVERAGE G.

EMS mode to NORMAL.

MODE NORMAL.