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... needs a pro re-write and perhaps more info. It should be a dress rehearsal for the later Apollo articles! 68Kustom ( talk) 08:52, 25 February 2008 (UTC)
What is the source of the statement that Apollo 10 is going to Oklahoma in 2010? I have not heard anything of this, and how can you be so sure? —Preceding
unsigned comment added by
160.111.254.11 (
talk)
18:03, 13 March 2009 (UTC)
....within nine miles of the lunar surface. Except for that final stretch, the mission went exactly ... ????
The last topic probably explains what I just saw, namely that Snoopy's closest approach given as 15.4 or 15.6 km is wrong. Just recently I was perusing some NASA reports and I saw the precise number in the 40,000's of feet, so I know that was too big. Maybe we got the number from Mark Wade(?), who quotes a number in that range but gives Chariots for Apollo as his source. When I go there and actually read the Apollo 10 chapter, I find the number was given as 14,447 meters (metres?), which is only 14.4 km. I used this to fix the error in the Lunar Module article and plan to find the Apollo 10 number I saw and fix it here.
You also have to bear in mind that NASA often quoted "nominal" numbers for these mission parameters, which actually varied from specific mission to mission. The powered-descent initiation point would be quoted as "9 nautical miles" or "50,000 feet". You have to dig up the NASA technical reports for specific missions (some are available on line) to get accurate mission numbers. JustinTime55 ( talk) 18:38, 3 March 2010 (UTC)
User:Calixte recently added the Apollo 10 article to the Category:Derelict satellites in heliocentric orbit, with the edit comment "added Apollo 10 Lunar Ascent stage to derelict heliocentic orbit".
I don't believe that is quite right, for several reasons.
There's been quite a few stories about the escaped turds floating about during the Apollo 10 mission, is it notable enough to mention, I think it is.
http://www.dailymail.co.uk/sciencetech/article-2306405/Give-napkin-quick-Theres-turd-floating-air-Transcript-reveals-toilet-tribulations-Apollo-astronauts.html — Preceding unsigned comment added by 83.100.158.141 ( talk) 18:04, 18 January 2014 (UTC)
I recall at least one full-color one of Snoopy dancing while Charlie Brown, in a spacesuit, cheers, "We're back!"can anyone find scans?), and at least one regular strip related to the mission, where Charlie Brown consoles Snoopy about how the spacecraft named after him was left in lunar orbit. (Source: "All We Did Was Fly to the Moon," reference data below. Specifically described images found in it, but I don't have a scanner.)
If the article needs scans of the Snoopy and Charlie Brown paintings that flew to the Moon, I have the original works from the Apollo X crew. I have scans that can be placed in the article. There is a story about the paintings located at this link; http://www.spaceartifactsarchive.com/2014/06/charlie-brown-snoopy-and-the-other-crewmen-of-apollo-x.html
NOTE: There are several articles concerning Apollo X at the blog site. One on a music tape they listened to on the way to the Moon as well as the cue card that caused the gyrations while in lunar orbit. Wikipedia is welcome to link to those articles if they so choose. — Preceding unsigned comment added by 72.74.138.113 ( talk) 21:56, 8 December 2014 (UTC)
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The Hardware disposition section does not mention what happened several major components. I'll use the Apollo 10 Timeline to note the times of various events here.
What's needed though is sources/citations for the components listed above. Ideally, we would show the disposition of all major components in the stack. -- Marc Kupper| talk 23:15, 11 February 2018 (UTC)
I remember reading about how some in NASA were worried that Apollo 10 would actually try to land on the moon so they specifically put less fuel in the LM so they would not attempt to do so. I know it was probably just to save money on the launch, as the extra fuel in the LM would require more fuel in the Saturn IV and thus more money. —Preceding unsigned comment added by 65.33.138.221 ( talk) 02:33, 31 May 2010 (UTC)
(footnote) NASA official history makes it plain that there was never a chance for "Snoopy" to land and take off again. "There had been some speculation about whether or not the crew might have landed, having gotten so close. They might have wanted to, but it was impossible for that lunar module to land. It was an early design that was too heavy for a lunar landing, or, to be more precise, too heavy to be able to complete the ascent back to the command module. It was a test module, for the dress rehearsal only, and that was the way it was used. Besides, the discipline on the Apollo program was such that no crew would have made such a decision on its own in any event."</ref> In his own memoir, Cernan wrote "Our lander, LM-4...was still too heavy to guarantee safe margins for a moon landing." [1]
The first quote is from George Mueller, who despite his high managerial position, was trained as an electrical engineer and not an aerospace engineer. His comment was, while maybe technically true, not really accurate. There was no change in the "design" between LM-4 and LM-5, and while the dry weight of the ascent stage (not appreciably different from LM-5) was "too heavy" for the amount of fuel loaded, that's a funny way to say it; the fact remains that only half the amount of ascent fuel was loaded. If this is to be put back, it must be appropriately cited to Mueller (not "NASA") and placed in proper context. Collins, though an astronaut and presumably more knowledgable about the hardware status than Mueller, was not on Apollo 10 and presumably not as familiar with LM-4 as Cernan was.
Actually, though I don't like to think about NASA in conspiracy theory-terms, a possible explanation for this "story" (based on a grain of truth that the LM design faced a continuing battle to shave excess weight off the structure) as purveyed by Mueller, Cernan, and Collins occurs to me: it might have been a deliberate cover of what might have been considered publicly embarassing: the implication that NASA thought in terms of possibly endangering the astronauts' lives by not giving them enough fuel for ascent, which would have stranded them on the Moon had they attempted what was forbidden. JustinTime55 ( talk) 18:44, 18 July 2018 (UTC)
References
What should we do with the differing accounts of the staging mishap? Cernan says one thing, Stafford another. Cernan gets the only voice in the article. This video however...
https://www.youtube.com/watch?v=uw1Wq-0TPCY
...seems to indicate that things were not as crazy as Cernan says and that Stafford may have good points. It certainly doesn't show multiple revolutions of the craft.
So, what do we do about this? J-Star ( talk) 12:28, 25 October 2015 (UTC)
The article should reflect the records generated at the time of the flight, rather than Cernan's recollection decades later. The transcript of the crew debrief, on page 9-31 shows that at the time, Cernan stated "We could have maneuvered 30 degrees or we could have maneuvered 90 degrees." https://history.nasa.gov/afj/ap10fj/pdf/a10-tech-crew-debrief.pdf
This video, with audio from the onboard tape recorder, and synced to telemetry of the switch settings, offers a clear view of the event. It supports a maneuver of around 90 degrees...certainly no full rotations. https://history.nasa.gov/afj/ap10fj/video/staging-with-audio.mp4 Jimm58 ( talk) 05:37, 14 May 2019 (UTC)
Article says "Upon descent stage separation and ascent engine ignition"... but the transcripts from the flight make clear that the ascent stage burn commenced 10 minutes after staging. So I am going to edit this. Jimm58 ( talk) 04:01, 15 May 2019 (UTC)
This statement "several revolutions from being unrecoverable" is misleading. It the context it seems to suggest that that Cernan's dramatic 8-spin maneuver (which does not appear to be an accurate memory) somehow would have resulted in a crash if it had spun a few more times. In fact, if you listen carefully to the source video, he is referring to the fact that the orbit was unstable, and would have decayed, and they would have eventually crashed into the surface, absent any other forces. (Orbital instability around the moon was observed on other missions as well. When Apollo 15 went into lunar orbit, the crew went to sleep with a 58.8 by 9.5 nautical mile orbit, and woke up the next morning at a low of 7.6 miles. See the note at 093:32:50 in this transcript from Apollo 15.) It does not seem likely that the small thrusts of the Reaction Control System during staging would have contributed so dramatically to orbital decay. Any any case they fired up the ascent engine 10 minutes later to begin their docking sequence, so there was never any danger for hitting the surface. If the ascent engine had malfunctioned, John Young in the CSM was prepared to come after them as part of a contingency docking plan. Jimm58 ( talk) 04:01, 15 May 2019 (UTC)