Nov 14

Space Rocket History #278 – Apollo 13 – Leaving the Moon – Part 1

Lovell’s disappointment with Kranz’s decision to not run another star check was quickly becoming academic since the time to conduct it was running out anyway.

Apollo 13 Saturn IVB upper stage impact point

Apollo 13’s view from Aquarius as it rounds the Moon

Leaving the Moon

Nov 08

Space Rocket History #277 – Apollo 13 – Approaching the Moon

“They’re all coming out,” Swigert said, straining for a glimpse through Lovell’s window. 

“You said it,” Lovell said. “There’s Nunki, there’s Antares. We may have enough here for that confidence check.” 

Gimbal Lock

Oblique view of lunar far side, photographed from Apollo 13

View of the lunar far side showing crater Tsiolkovsky taken from Apollo 13

Oct 17

Space Rocket History #274 – Apollo 13 – Minimizing Power – Part 1

Electricity was in short supply. A fully functioning, up-and running LEM required about 55 amps of current to operate.

Ken Mattingly, Joe Kerwin

Tom Kelly Grumman Engineer

Kraft, McDivitt, Gilruth

Aug 16

Space Rocket History #266 – Apollo 13 – “Houston, we’ve had a problem.” – Part 1

Swigert: I believe we’ve had a problem here!

CapComm: This is Houston. Say again, please.

Lovell: Houston, we’ve had a problem.

Section of Apollo CM main panel. H2 and O2 fan switches circled.

Section of Apollo CM Control panel. Main Bus A and B Undervolt lights circled.

Section of Apollo CM Control Panel. Cryogenic Tank Level indicators circled.