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Apollo Discussions => The Reality of Apollo => Topic started by: Mag40 on August 29, 2014, 08:43:25 AM

Title: What went wrong by mission
Post by: Mag40 on August 29, 2014, 08:43:25 AM
HBs always go on about how NASA managed to send 6 faultless missions to the Moon. But obviously this ignores all the numerous things that went wrong. I thought a good idea to put all the problems encountered, into one thread(unless you guys have done this before ;D).

So to get the ball rolling -

Apollo 11, the two alarms 1201 and 1202 caused by the radar overloading(?), the switch breaking off needing an improvised pen.

Apollo 12 lightning strike - SCE to aux.

Apollo 13 well documented.

Apollo 14 Docking Probe Capture Latch Engagement problem.

Title: Re: What went wrong by mission
Post by: smartcooky on August 29, 2014, 08:58:04 AM
I seem to recall a battery overheating problems with the Lunar rover on Apollo 16?
Title: Re: What went wrong by mission
Post by: Miss Vocalcord on August 29, 2014, 09:35:56 AM
There was also an incident with Apollo 10 which started flipping due to (I thought) an incorrect switch setting (besides that 'other' incident on Apollo 10):
http://books.google.nl/books?id=y_16I8NzSjEC&pg=PA381&lpg=PA381&dq=apollo+10+flip++Cernan&source=bl&ots=lJEvuUR4QG&sig=I5a9cchoxYIMb3hS-3NOGgXXL5s&hl=en&sa=X&ei=sIAAVKbpLMex0AWk_4CgCg&ved=0CHMQ6AEwDQ#v=onepage&q=apollo%2010%20flip%20%20Cernan&f=false
Title: Re: What went wrong by mission
Post by: Andromeda on August 29, 2014, 09:42:38 AM
It's worth including Mercury and Gemini as well - most HBs seem unaware of those programs.

Gemini 8 - Agena's attitude control problem, which led to the mission being aborted and could have killed the astronauts.
Title: Re: What went wrong by mission
Post by: Miss Vocalcord on August 29, 2014, 09:49:03 AM
And I guess Apollo 1 shouldn't be left out either.
Is there a way to put this all in the opening post?
Title: Re: What went wrong by mission
Post by: Bob B. on August 29, 2014, 09:51:56 AM
Apollo 12  Failure of color TV camera.

Apollo 14  LM computer wrongly receiving abort signal, failure of LM landing radar to initially lock on.

Apollo 16  Failure in an SPS engine backup system that delayed lunar landing.

Apollo 17  Damaged LRV fender.
Title: Re: What went wrong by mission
Post by: Mag40 on August 29, 2014, 10:08:09 AM
Apollo 16:
https://www.hq.nasa.gov/alsj/a16/a16.landing.html

3 separate problems - 6hr delay to landing.
"Ken Mattingly felt his spacecraft begin to shake when he checked the backup servo-mechanical system associated with the yaw axis."
Title: Re: What went wrong by mission
Post by: Bob B. on August 29, 2014, 10:08:43 AM
If we include crew health issues,

Apollo 7  Head colds by all crewmembers.

Apollo 8  Frank Borman's nausea and diarrhea.

Apollo 9  Rusty Schweickart's nausea, which nearly curtailed the mission.

Apollo 15  Jim Irwin's dangerously elevated heart rate
Title: Re: What went wrong by mission
Post by: Chew on August 29, 2014, 10:27:53 AM
Apollo 13's second stage premature center engine cut off.  :)
Title: Re: What went wrong by mission
Post by: Bob B. on August 29, 2014, 11:24:03 AM
Didn't John Young disable a science experiment by accidently tearing a cable with his foot?
Title: Re: What went wrong by mission
Post by: Luke Pemberton on August 29, 2014, 11:47:43 AM
Apollo 13's second stage premature center engine cut off.  :)

I'm entering into the conspiracy mindset, a journey into the Twilight Zone (https://www.youtube.com/watch?v=XVSRm80WzZk)

'Yeah, but they had to tell story so it did not look perfect, and this is an obvious anomaly in their story because if the centre engine cut off they would not have managed to make LEO.

Leaving the twilight zone now. In some of the examples it might be worth posting a rebuttal too. Some of them are obviously not worth a rebuttal, such as breaking experiments and TV cameras not working (IMHO), but some might be worth explaining as we might inadvertently offer further fuel to stoke the fire.
Title: Re: What went wrong by mission
Post by: Luke Pemberton on August 29, 2014, 12:00:51 PM
Didn't John Young disable a science experiment by accidently tearing a cable with his foot?

Yes, he did. I remember having this discussion with someone and thinking how must the poor Cdr Young felt. He broke a cable to a heat flow sensor and ruined a lunar experiment. I feel sorry for the scientist involved, as reported here (http://news.bbc.co.uk/dna/place-lancashire/plain/A481277).
Title: Re: What went wrong by mission
Post by: Zakalwe on August 29, 2014, 12:47:20 PM

I'm entering into the conspiracy mindset, a journey into the Twilight Zone (https://www.youtube.com/watch?v=XVSRm80WzZk)

'Yeah, but they had to tell story so it did not look perfect, and this is an obvious anomaly in their story because if the centre engine cut off they would not have managed to make LEO.


Even that they get incorrect. One engine cutting off early is no issue...you just burn the other engines for longer.
Title: Re: What went wrong by mission
Post by: raven on August 29, 2014, 01:42:55 PM
Didn't John Young disable a science experiment by accidently tearing a cable with his foot?

Yes, he did. I remember having this discussion with someone and thinking how must the poor Cdr Young felt. He broke a cable to a heat flow sensor and ruined a lunar experiment. I feel sorry for the scientist involved, as reported here (http://news.bbc.co.uk/dna/place-lancashire/plain/A481277).
You can hear in the audio he's pretty contrite. (http://www.youtube.com/watch?v=8GzRwWgcFQM)
Title: Re: What went wrong by mission
Post by: Luke Pemberton on August 29, 2014, 02:27:07 PM
You can hear in the audio he's pretty contrite. (http://www.youtube.com/watch?v=8GzRwWgcFQM)

That was painful listening, I felt really sorry for Young and the guys back on Earth. No one really knew what to say.
Title: Re: What went wrong by mission
Post by: raven on August 29, 2014, 03:26:03 PM
You can hear in the audio he's pretty contrite. (http://www.youtube.com/watch?v=8GzRwWgcFQM)

That was painful listening, I felt really sorry for Young and the guys back on Earth. No one really knew what to say.
Nope. You come over a quarter of a million miles to set up this millions of dollars, in then money, experiment and . . . you trip over one of cords, breaking it.  At least the  gold visor hides your face. :-[
Title: Re: What went wrong by mission
Post by: Andromeda on August 29, 2014, 03:48:01 PM
Sorry, correction - the Gemini 8 mission attitude problem was in the Gemini itself, not the Agena.
Title: Re: What went wrong by mission
Post by: Jason Thompson on August 29, 2014, 03:53:10 PM
Gemini 5's fuel cells did not perform as expected, resulting in a lot of things being turned off and making meeting the '8 days or bust goal' uncertain.

Gemini 6 had a launch failure when the Titan shut down prematurely. I believe that was due to a dust cover being left in an engine component.

Gemini 9's EVA was aborted when Cernan's overexertion caused the visor to fog up so he was blinded, and a thermal protection layer on his suit tore, leaving him sunburned on his lower back.
Title: Re: What went wrong by mission
Post by: BazBear on August 29, 2014, 06:24:09 PM

I'm entering into the conspiracy mindset, a journey into the Twilight Zone (https://www.youtube.com/watch?v=XVSRm80WzZk)

'Yeah, but they had to tell story so it did not look perfect, and this is an obvious anomaly in their story because if the centre engine cut off they would not have managed to make LEO.


Even that they get incorrect. One engine cutting off early is no issue...you just burn the other engines for longer.
Crap, Apollo 6 (the second unmanned Saturn V test) made it into orbit with two S-II engines out. A very near thing, and iirc the pogo issue would have forced an an abort on a manned mission, but it did stagger it's way into an ugly *** orbit.
Title: Re: What went wrong by mission
Post by: Mag40 on August 30, 2014, 03:39:56 PM
http://er.jsc.nasa.gov/seh/Ap10.html

Apollo 10:

Insulation in the docking tunnel had come loose earlier in the flight and clogged a vent; the incident had let the LM slip about 3.5° out of line with the CSM in its joined position.

A Guidance System Problem:

At the low point of the LM's second swing around the moon, Stafford and Cernan prepared for insertion into rendezvous orbit, a delicate maneuver using the LM's ascent engine, to bring them up for a rendezvous and docking with Young in the CSM. Before firing the ascent engine, the descent stage, with its power plant capable of a wide range of power settings controlled by the crew, had to be cast off. Just before the lower segment was cut loose, the LM gyrated. Stafford took manual control of the LM and restored the proper orientation. Then the descent stage was jettisoned, as planned, and the LM stabilized. The episode took some eight seconds.
Title: Re: What went wrong by mission
Post by: smartcooky on August 30, 2014, 04:27:49 PM
I seem to recall reading something about one of the astronauts losing a tool or some important piece of equipment on the moon. He thought he'd put it in a box (on the LRV?) but couldn't find it when he went to get it. Apparently they didn't want to spend too much precious time looking for it.

Anyone recall something like  that?
Title: Re: What went wrong by mission
Post by: LunarOrbit on August 30, 2014, 04:36:42 PM
I seem to recall reading something about one of the astronauts losing a tool or some important piece of equipment on the moon. He thought he'd put it in a box (on the LRV?) but couldn't find it when he went to get it. Apparently they didn't want to spend too much precious time looking for it.

Anyone recall something like  that?

Are you maybe thinking about the camera timer that Alan Bean and Pete Conrad brought to the Moon but couldn't find?
Title: Re: What went wrong by mission
Post by: smartcooky on August 30, 2014, 04:47:11 PM
I seem to recall reading something about one of the astronauts losing a tool or some important piece of equipment on the moon. He thought he'd put it in a box (on the LRV?) but couldn't find it when he went to get it. Apparently they didn't want to spend too much precious time looking for it.

Anyone recall something like  that?

Are you maybe thinking about the camera timer that Alan Bean and Pete Conrad brought to the Moon but couldn't find?

I think that is it, because it was Pete Conrad I was thinking of.
Title: Re: What went wrong by mission
Post by: RAF on September 01, 2014, 06:58:25 PM
I have a vague memory (damn, I hate getting old) of an internet page listing all the "anomalies" for all the Apollo missions...

I know I read it, but I don't know how to find it.

I keep thinking it was at the ALSJ, but can't find it there, either.
Title: Re: What went wrong by mission
Post by: JayUtah on September 01, 2014, 07:02:09 PM
Each of the Preliminary Mission Reports contains a section on hardware anomalies.
Title: Re: What went wrong by mission
Post by: RAF on September 01, 2014, 07:07:34 PM
Each of the Preliminary Mission Reports contains a section on hardware anomalies.

Although I seem to remember it being all on one page, it is likely that it is the Mission reports that I am remembering.