Author Topic: Discovery at Edwards Images.  (Read 15599 times)

Offline Chris Bergin

RE: Discovery at Edwards Images.
« Reply #40 on: 08/21/2005 02:27 am »
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FransonUK - 21/8/2005  3:12 AM

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DrK - 20/8/2005  8:51 PM

:( Do see correctly that the left wingtip TPS is missing? Did it break off on landing?

Damn, good spot. I'm sure one of the USA guys will say if that's right or not on here.

FlightStar....any help on this - I don't see it.

Offline Flightstar

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RE: Discovery at Edwards Images.
« Reply #41 on: 08/21/2005 02:42 am »
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DrK - 20/8/2005  8:51 PM

:( Do see correctly that the left wingtip TPS is missing? Did it break off on landing?

I don't see it..can anyone be more specific?

I take it you don't mean the TPS tiles where there is a darker color on the tip leading to avions than the RCC leading edge - as that's how she's meant to be.

Offline DrK

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RE: Discovery at Edwards Images.
« Reply #42 on: 08/21/2005 06:05 am »
I did at the time, but after reviewing a few dozen pictures around the web I noted that the tiles on that segment still retained their emissivity wash color and in the shadow of the bright and contrasty sun out there, it looked like open metal structure on the tip. The curvature on the last leading edge panel was sharper than I remembered and lead me to think it was broken.  I jumped to that conclusion because that was the same place a returned shuttle had a hole through the wingtip (STS 52 or therabouts) and looked a little like some of these privately taken photos shown here.  The official NASA photos seemed not to show that tip and caused me more worry. Finally, I saw the pictures preparing it for the return flight to KSC and enough reflected light illuminated the tip and showed the small mosaic of tiles.  In my myopic view of the Shuttle, little attention was paid at the wingtip.  On the other hand, I know the ET and leading edge panels real well. (Columbia investigation)

Offline NASA_Twix_JSC

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RE: Discovery at Edwards Images.
« Reply #43 on: 08/21/2005 01:16 pm »
That may answer a question why Dryden didn't allow their site to have any images of Discovery during this section of post-landing.

Offline Chris Bergin

RE: Discovery at Edwards Images.
« Reply #44 on: 08/21/2005 01:19 pm »
Allow me to go back, take the large file picture from what was sent to me, and blow up the area in question for a better look if possible.

Offline Chris Bergin

RE: Discovery at Edwards Images.
« Reply #45 on: 08/21/2005 01:31 pm »
Correct me if this isn't the area that is being noted:


Offline NASA_Twix_JSC

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RE: Discovery at Edwards Images.
« Reply #46 on: 08/21/2005 05:08 pm »
I'm not a TPS guy. I don't see anything obvious, but as I said, I'm not a TPS guy.

Offline DrK

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RE: Discovery at Edwards Images.
« Reply #47 on: 08/22/2005 04:04 am »
Yes, Chris, that was the area.  Your cropping shows it better than I remember it when i jumped to my conclusion.  I reread my reply that said I was mistaken and realized it might be misinterpreted that I still found some fault on the tip. So, to be clear, I goofed.  I should never have brought it up without first researching the photos.   I was thrown by the lack of greying along the mosaic of tip tiles and airleron tiles.  This tells me these tiles did not see as high temperatures as they used to OR they are made from the newer, higher temperature and harder FRCI tile formulation.  
Gradual replacement of all HRSI tiles was planned, but I lost track of the timetable.  I don't remember the wing tips being squared-off as much as these pictures show and I wonder if the tip contour was slightly changed.  As I said before, the wingtip is not an area I know very well.

Offline Chris Bergin

RE: Discovery at Edwards Images.
« Reply #48 on: 08/22/2005 04:26 am »
Well that's better than there actually been an issue. I'll settle for that everytime.

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