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  #11  
Old 03-08-2010, 08:23 AM
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Here's Apollo 7 on the pad. It's shiny in the sun, but not quite like a mylar.

Drew
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  #12  
Old 03-08-2010, 08:24 AM
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Quote:
Originally Posted by dtomko
Gordon,

The SM body wasn't a bright chrome; it was more like regular silver. If you look at photos of the spacecraft in space you can see the difference between the SM and CM, which is covered in mylar and much shinier. Testor's silver from a rattle can is very close, if that helps.

Drew


OK, then metallic silver it is.

Any arguments?
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  #13  
Old 03-08-2010, 08:40 AM
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Here is another nice view, and I think it is correct. The CM is polished aluminum but the SM appears duller. I don't think it is just the lighting.

http://upload.wikimedia.org/wikiped...lunar_orbit.jpg
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  #14  
Old 03-08-2010, 08:48 AM
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Yes, that's correct. The CM was actually covered in strips of something that looked like mylar, very shiny, while the SM was aluminum, but not extremely bright. It's hard to tell in many photos because the surfaces reflect so much light.
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  #15  
Old 03-08-2010, 09:07 AM
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Quote:
Originally Posted by kurtschachner
Here is another nice view, and I think it is correct. The CM is polished aluminum but the SM appears duller. I don't think it is just the lighting.

http://upload.wikimedia.org/wikiped...lunar_orbit.jpg


That's not Apollo 13. The missing panel is in the wrong place and there's no damage inside. Apollo 13's damage was just to the right of the umbilical tunnel.

Which makes me ask, what is the open panel for? Was that a scientific payload compartment for telescopes, spectrometers, etc.? I've never noticed any photos with an open panel on the SM. I vaguely remember onboard science on the moon missions, but it is always overshadowed by the landings or ignored completely.

Apollo 13
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  #16  
Old 03-08-2010, 09:13 AM
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That's the SIM (Scientific Instrument Module) bay open on Apollos 15 through 17. Cameras and instruments were exposed.
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  #17  
Old 03-08-2010, 09:27 AM
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I would vote metallic silver as well.
Once available, I will take 3 sets.
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  #18  
Old 03-08-2010, 09:29 AM
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Quote:
Originally Posted by dtomko
That's the SIM (Scientific Instrument Module) bay open on Apollos 15 through 17. Cameras and instruments were exposed.


Cool. I guessed correctly.
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  #19  
Old 03-08-2010, 09:35 AM
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Quote:
Originally Posted by kurtschachner
Here is another nice view, and I think it is correct. The CM is polished aluminum but the SM appears duller. I don't think it is just the lighting.

http://upload.wikimedia.org/wikiped...lunar_orbit.jpg


I wonder if it was the maneuvering thruster exhaust or atmospheric heating that discolored and bubbled up the surface to the left and aft of the thruster? The umbilical tunnel is charred up pretty good so it may have been atmospheric heating. I don't think the solid motors that pulled the shield and LES off would have done that since they were way up near the nose.
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  #20  
Old 03-08-2010, 09:49 AM
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It's likely from the thruster because the forward firing one on that quadrant was very close to the umbilical - you can see that on the Apollo 13 SM photo.
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