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72 votes
Accepted

Why was this Saturn rocket elevated for launch?

Your picture is not of a Saturn V, it's of a Saturn IB. The purpose of the elevated platform (known as the "milkstool") is to lift the rocket up so that it can be launched from Pad 39B using the same ...
Mark's user avatar
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67 votes
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Is the Skylab 4 mutiny just a myth?

Background I believe the astronomy.com article is essentially accurate. The story of the Skylab 4 "mutiny" or "strike" has been greatly exaggerated. The crew took a scheduled rest day instead of ...
Russell Borogove's user avatar
41 votes
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How was the Skylab Rescue mission supposed to return 5 astronauts?

Seats were installed in the lower equipment bay, instead of some of the usual storage lockers. A Skylab rescue mission would take a few days at most, so the usual luxuries for a 2-week Apollo mission (...
Russell Borogove's user avatar
30 votes

Why was this Saturn rocket elevated for launch?

Offered as a supplement, since no one has posted a direct size comparison: The height difference in the Saturn V and Saturn 1-B is clear in this image. Edit: SA-1 through -9 are Saturn 1s, SA-201 ...
Organic Marble's user avatar
28 votes
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How was Skylab's orbit inclination chosen?

Skylab's science experiments included Earth surface observations, and the higher inclination orbit allowed more surface to be viewed. Per Living and Working In Space: The NASA History of Skylab: The ...
Russell Borogove's user avatar
16 votes
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What happened to Skylab 1's Saturn instrumentation unit?

The Instrument Unit was retained after Skylab reached orbit, and was instrumental (sorry) in configuring the station for orbital operations. From Skylab: A Guidebook: Control of the Saturn V launch ...
Russell Borogove's user avatar
15 votes

Why was this Saturn rocket elevated for launch?

A little digging into KSC Launch Complex 39's Wikipedia page and I found this. A total of thirteen Saturn Vs were launched for Apollo, and the unmanned launch of the Skylab space station in 1973. ...
Kuldeep Barad's user avatar
14 votes

Is the Skylab 4 mutiny just a myth?

Things started badly, the astronauts tried to hide Astronaut Pogue’s vomiting. NASA had to figure it out on their own. If there is anything that smacks of mutiny, it’s this because it violates mission ...
Anthony Stevens's user avatar
13 votes
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Did NASA tell the Skylab astronauts to "Stop running around!"?

I think they did (page 120): The reference is a bit indirect, but the water storage was right next to the 'exercise ring' (storage lockers):
Hobbes's user avatar
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12 votes
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At what altitude did the Skylab space station disintegrate?

There's a detailed reconstruction in NASA Technical Memorandum 78308 Skylab Orbital Lifetime Prediction and Decay Analysis The assumed Skylab breakup scenario was as follows: The OWS SAS array (...
Organic Marble's user avatar
11 votes
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How was the Skylab 'parasol' deployed?

There's a great writeup on this in the NASA tech paper The Skylab Parasol. Big picture, the parasol was packed into an airtight box that attached to the inner door of one of the scientific airlocks. ...
Organic Marble's user avatar
9 votes
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How did Skylab's electrographic ultraviolet camera work?

Similarly to night vision devices, the light sensitive part is the photocathode, which releases electrons when hit by photons. The electrons at the photocathode are accelerated by the -25 kilovolt ...
szulat's user avatar
  • 773
9 votes

What would have been the absolute maximum LEO payload of a two-stage Saturn V?

The Silverbird calculator says about 107 tons payload plus the 11 ton payload shroud, for a total of 118 tons to 185km x 185km at 28.5 degrees. I've been refining a general rocket launch simulation ...
Russell Borogove's user avatar
6 votes
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Why did Skylab have a thick blue flexible cord running down its central axis?

It appears to have actually been a pole, not a cord. Handrails and handholds, colored blue for quick identification, were located throughout Skylab. A removable, collapsible "fireman's pole" ...
Organic Marble's user avatar
5 votes

How was the Skylab 'parasol' deployed?

This New York Times article about Jack Kinzler, the inventor of the Skylab parasol seems to answer that. The parasol was built out of telescoping fishing rods, spring loaded. Which means the structure ...
SE - stop firing the good guys's user avatar
4 votes

Would pole dancing cure microgravity health issues?

Nice try, but no go on your idea. For a bunch of reasons: The gravity field under normal Earth-bound conditions is uniform, head-to-foot. Centrifugal force increases in proportion to radius: zero at ...
Woody's user avatar
  • 22.4k
4 votes

Did Skylab report different results on impact of zero g on humans?

Short answer: No, for several reasons. Longer answer: the apparent gravity from centripetal acceleration was low, and the astronauts likely didn't have enough exposure to get any real benefit. I'm ...
GdD's user avatar
  • 20.3k
4 votes
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How did Skylab's "space shower" work?

Here is a schematic of the shower system. A description from here. This is an enclosure which uses continuous airflow as a gravity substitute to move the water over the crewman. A 6-pound ...
Organic Marble's user avatar
4 votes
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Did Skylab astronauts really "go outside" to look at comet Kohoutek? If so, why?

Yes, but the EVAs were to mount and unmount cameras, not to look at it with their own eyes There were 13 experiments during Skylab 4 to observe various characteristics of the comet Kohoutek. There ...
DrSheldon's user avatar
  • 48k
4 votes
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What did Skylab 1 carry in its nosecone?

According to this webpage, under the payload shroud were the airlock, the multiple docking adapter, and the Apollo telescope mount. The latter was folded in front of them but swung to the side on ...
GordonD's user avatar
  • 1,153
3 votes
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How were the Skylab solar panels stored and deployed?

(After 13 days, no one has answered this question, so I researched it myself.) According to Skylab: A Guidebook, Solar energy is the prime source of electric power on Skylab. Two systems of solar-...
DrSheldon's user avatar
  • 48k
3 votes
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Did Skylab report different results on impact of zero g on humans?

The Skylab crew exercised using a bicycle ergometer, not by running around the ring of storage lockers. Image credit - NASA Per the answer to this question Did NASA tell the Skylab astronauts to &...
Organic Marble's user avatar
3 votes
Accepted

Roughly what fractions of the time did Skylab spend in Earth-oriented and Sun-oriented attitudes?

Only 39 orbits were Earth-oriented. The overwhelming majority of the station's operating life was Sun-oriented. The final Earth resources experiment package pass for Skylab 3 ended, In all, 39 Earth-...
DrSheldon's user avatar
  • 48k
1 vote

How many times would two astronauts have to run around Skylab to turn it by 10 arc minutes?

tl;dr: I get good agreement with @JCRM's estimate! Moments of inertia found in NASA TM X-64746 Skylab Attitude Control and Angular Momentum Desaturation with One Double-Gimbaled Control Moment Gyro ...
uhoh's user avatar
  • 149k
1 vote
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Why Celestrak has Archived TLEs for most space stations from Russia and the US, but not Tiangong-1, Tiangong-2 or Skylab?

@RussellBorogove's comment is fairly conclusive. ...I note that Celestrak was established in 1985, at which point Salyut 7 was up, but Skylab was not. The Archived TLE data page says 1980-2004, but ...
uhoh's user avatar
  • 149k

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