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TEGA (Thermal Evolved Gas Analyzer), an apparent problem
Guest_Zvezdichko_*
post May 31 2008, 06:48 PM
Post #1





Guests
Hello,

According to the publication here:
http://www.space.com/missionlaunches/08053...ion-update.html


The glitch seems to be a short circuit in a filament in a part of the instrument that ionizes the vapors before they are sent to the detector...

Does that mean that it's directly related to the DSC oven?
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Sandro
post Jun 4 2008, 01:09 PM
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Hi together

I just had an short idea on a possible fix for the not fully open door. Although they can operate with the door not fully open (as far as I understood) I think it could be possible to open the door with help of the robot arm.

The doors are spring loaded and if they would move the arm slightly from left to the right (on this picture http://phoenix.lpl.arizona.edu/images.php?...2662&cID=40 ) over the not fully open door, we could press the door again down and hope that after the pass of the arm the springs will push the door fully open.

What are your thoughts about that option?

Regards,
Sandro
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nilstycho
post Jun 4 2008, 04:04 PM
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Whenever something gets stuck on a spacecraft, the two options available seem to be (1) jiggle it and (2) heat it. I'm imagining a spacecraft with lots of little peizoelectric-cum-resisting pads that can just vibrate and heat lots of things all over the spacecraft. This is an evolution from an earlier plan whereby each orbiter would have a micro helperbot that was equipped with (1) a hammer. rolleyes.gif
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Tom Tamlyn
post Jun 4 2008, 11:54 PM
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QUOTE (nilstycho @ Jun 4 2008, 12:04 PM) *
equipped with (1) a hammer. rolleyes.gif


What a relative of mine, an engineer, likes to refer to as "the instrument of persuasion."

TTT
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volcanopele
post Jun 6 2008, 08:30 AM
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QUOTE (Tom Tamlyn @ Jun 4 2008, 04:54 PM) *
What a relative of mine, an engineer, likes to refer to as "the instrument of persuasion."

Or as my old AP Physics teacher from high school would say, "If at first you don't succeed, use a hammer."


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&@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io
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SickNick
post Jun 8 2008, 02:43 AM
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QUOTE (volcanopele @ Jun 6 2008, 06:30 PM) *
Or as my old AP Physics teacher from high school would say, "If at first you don't succeed, use a hammer."


Don't FORCE it, just use a bigger hammer...


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then they laugh at you,
then they fight you,
then you win."
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dvandorn
post Jun 8 2008, 04:25 AM
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QUOTE (SickNick @ Jun 7 2008, 09:43 PM) *
Don't FORCE it, just use a bigger hammer...

But just remember -- when the only tool you have is a hammer, most everything begins looking like a nail...

smile.gif

-the other Doug


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“The trouble ain't that there is too many fools, but that the lightning ain't distributed right.” -Mark Twain
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Posts in this topic
- Zvezdichko   TEGA (Thermal Evolved Gas Analyzer)   May 31 2008, 06:48 PM
- - rlorenz   QUOTE (Zvezdichko @ May 31 2008, 02:48 PM...   Jun 1 2008, 03:33 PM
- - Skyrunner   As I understand it the part that has shorted out i...   Jun 2 2008, 02:03 PM
|- - rlorenz   QUOTE (Skyrunner @ Jun 2 2008, 09:03 AM) ...   Jun 2 2008, 04:07 PM
- - Skyrunner   Yeah, I should have known that. Next time I work w...   Jun 3 2008, 01:33 PM
- - climber   One TEGA image on sol 9 : http://phoenix.lpl.arizo...   Jun 3 2008, 09:19 PM
|- - mars loon   QUOTE (climber @ Jun 3 2008, 10:19 PM) On...   Jun 3 2008, 09:23 PM
- - BrianL   Are they planning to test all the doors to see if ...   Jun 3 2008, 11:22 PM
|- - Airbag   QUOTE (BrianL @ Jun 3 2008, 06:22 PM) Are...   Jun 4 2008, 12:24 AM
|- - rlorenz   QUOTE (Airbag @ Jun 3 2008, 08:24 PM) Whi...   Jun 4 2008, 01:16 AM
- - bgarlick   Do the doors need to also be able to close for pro...   Jun 4 2008, 12:05 AM
- - Sandro   Hi together I just had an short idea on a possibl...   Jun 4 2008, 01:09 PM
|- - MahFL   I think the safest thing to do is just use the ove...   Jun 4 2008, 02:38 PM
|- - nilstycho   Whenever something gets stuck on a spacecraft, the...   Jun 4 2008, 04:04 PM
|- - Tom Tamlyn   QUOTE (nilstycho @ Jun 4 2008, 12:04 PM) ...   Jun 4 2008, 11:54 PM
||- - volcanopele   QUOTE (Tom Tamlyn @ Jun 4 2008, 04:54 PM)...   Jun 6 2008, 08:30 AM
||- - Skyrunner   QUOTE (volcanopele @ Jun 6 2008, 10:30 AM...   Jun 6 2008, 08:40 AM
||- - SickNick   QUOTE (volcanopele @ Jun 6 2008, 06:30 PM...   Jun 8 2008, 02:43 AM
||- - dvandorn   QUOTE (SickNick @ Jun 7 2008, 09:43 PM) D...   Jun 8 2008, 04:25 AM
|- - rlorenz   QUOTE (nilstycho @ Jun 4 2008, 12:04 PM) ...   Jun 5 2008, 01:55 PM
|- - centsworth_II   QUOTE (rlorenz @ Jun 5 2008, 08:55 AM) Th...   Jun 5 2008, 03:00 PM
- - djellison   A thermal day-night cycle may well help it deploy ...   Jun 4 2008, 03:03 PM
- - bgarlick   The screen behind the TEGA doors looks very fine m...   Jun 4 2008, 03:50 PM
|- - MahFL   QUOTE (bgarlick @ Jun 4 2008, 04:50 PM) T...   Jun 4 2008, 04:54 PM
||- - bgarlick   QUOTE (MahFL @ Jun 4 2008, 08:54 AM) I th...   Jun 4 2008, 05:18 PM
||- - nprev   QUOTE (bgarlick @ Jun 4 2008, 09:18 AM) t...   Jun 4 2008, 05:33 PM
||- - gallen_53   QUOTE (nprev @ Jun 4 2008, 06:33 PM) Or e...   Jun 8 2008, 06:02 AM
||- - Aussie   QUOTE (gallen_53 @ Jun 8 2008, 07:02 AM) ...   Jun 8 2008, 09:05 AM
||- - SickNick   QUOTE (Aussie @ Jun 8 2008, 07:05 PM) But...   Jun 8 2008, 09:18 AM
||- - gallen_53   QUOTE (SickNick @ Jun 8 2008, 09:18 AM) I...   Jun 8 2008, 08:03 PM
|- - rlorenz   QUOTE (bgarlick @ Jun 4 2008, 10:50 AM) I...   Jun 5 2008, 08:26 PM
|- - bgarlick   QUOTE (bgarlick @ Jun 4 2008, 07:50 AM) T...   Jun 7 2008, 06:17 PM
|- - brianc   QUOTE (bgarlick @ Jun 7 2008, 07:17 PM) D...   Jun 7 2008, 07:09 PM
|- - MahFL   Oh oh, lots of head scratching at UA.   Jun 7 2008, 07:22 PM
- - Airbag   I'm still kind of surprised that they did not ...   Jun 4 2008, 11:09 PM
|- - JRehling   On the other hand, what if the first use of the RA...   Jun 5 2008, 12:43 AM
|- - Airbag   QUOTE (JRehling @ Jun 4 2008, 08:43 PM) O...   Jun 5 2008, 05:02 PM
- - glennwsmith   I like Sandro's idea, after it has had time to...   Jun 5 2008, 04:53 AM
- - ollopa   Ironically, it is a "hammer" that appea...   Jun 5 2008, 10:33 PM
- - Skyrunner   I was wondering the accuracy of the samples (on bo...   Jun 6 2008, 08:12 AM
|- - Littlebit   QUOTE (Skyrunner @ Jun 6 2008, 02:12 AM) ...   Jun 6 2008, 05:18 PM
- - djellison   Mythbusters "With enough lubrication, we can...   Jun 6 2008, 09:20 AM
|- - ilbasso   QUOTE (djellison @ Jun 6 2008, 04:20 AM) ...   Jun 6 2008, 07:41 PM
|- - mike   What about a flat plate resting long axes parallel...   Jun 7 2008, 07:51 AM
- - Zvezdichko   http://phoenix.lpl.arizona.edu/06_07_pr.php - samp...   Jun 7 2008, 04:06 PM
- - Harder   This first sample is "topsoil" where the...   Jun 7 2008, 05:05 PM
|- - ugordan   QUOTE (Harder @ Jun 7 2008, 07:05 PM) Too...   Jun 7 2008, 05:14 PM
|- - 1101001   QUOTE (Harder @ Jun 7 2008, 09:05 AM) But...   Jun 7 2008, 05:57 PM
- - Sunspot   Oh Dear, things don't seem to be going too wel...   Jun 7 2008, 05:39 PM
- - Harder   Thanks for this info. It states that the rasp prod...   Jun 7 2008, 06:16 PM
|- - elakdawalla   QUOTE (Harder @ Jun 7 2008, 10:16 AM) So ...   Jun 7 2008, 10:34 PM
- - Stu   Well, head-scratching is good, you know? Doesn...   Jun 7 2008, 07:36 PM
|- - Aussie   QUOTE (Stu @ Jun 7 2008, 08:36 PM) but th...   Jun 8 2008, 02:16 AM
- - belleraphon1   Here is where litter box skills will come in handy...   Jun 7 2008, 08:25 PM
- - ngunn   Mars people please - I need some help with dismiss...   Jun 7 2008, 09:11 PM
|- - SickNick   QUOTE (ngunn @ Jun 8 2008, 07:11 AM) Mars...   Jun 8 2008, 02:51 AM
- - deglr6328   The liquid phase of CO2 is forbidden below 5 bar.   Jun 7 2008, 09:45 PM
|- - ngunn   QUOTE (deglr6328 @ Jun 7 2008, 10:45 PM) ...   Jun 7 2008, 10:03 PM
|- - helvick   QUOTE (ngunn @ Jun 7 2008, 11:03 PM) Is t...   Jun 7 2008, 10:28 PM
- - deglr6328   Ionic salts are insoluble in liquid CO2 because it...   Jun 7 2008, 10:25 PM
- - deglr6328   Mightn't we expect the MARDI microphone to be ...   Jun 7 2008, 10:53 PM
- - Reed   Is there a diagram or detailed description of the ...   Jun 8 2008, 12:16 AM
- - deglr6328   QUOTE (SickNick @ Jun 8 2008, 02:51 AM) T...   Jun 8 2008, 05:48 AM
- - ngunn   Excellent replies from the chemists as I had hoped...   Jun 8 2008, 07:58 AM
- - Tman   Could it be that the behavior of this sample is af...   Jun 8 2008, 09:03 AM
|- - JRehling   QUOTE (Tman @ Jun 8 2008, 02:03 AM) Could...   Jun 9 2008, 12:28 AM
|- - jmknapp   QUOTE (JRehling @ Jun 8 2008, 07:28 PM) I...   Jun 9 2008, 11:40 AM
- - Zvezdichko   Hello, I have a question which may sounds a bit si...   Jun 8 2008, 09:37 AM
|- - djellison   QUOTE (Zvezdichko @ Jun 8 2008, 10:37 AM)...   Jun 8 2008, 10:08 AM
- - Zvezdichko   Once again, thank you, Doug. In the end MECA and T...   Jun 8 2008, 10:38 AM
|- - SickNick   QUOTE (Zvezdichko @ Jun 8 2008, 08:38 PM)...   Jun 8 2008, 02:13 PM
- - Zvezdichko   I apologise to you then. This was my natural desir...   Jun 8 2008, 04:34 PM
- - glennwsmith   A tip o' the hat to bgarlick for his predictio...   Jun 8 2008, 06:39 PM
- - Sputnik   Wouldn't a high frequency vibrator between the...   Jun 8 2008, 07:16 PM
- - gallen_53   Sushil Atreya (a professor at the University of Mi...   Jun 8 2008, 08:27 PM
- - Sunspot   Has there been any update on the TEGA problem?   Jun 9 2008, 07:21 AM
- - akuo   Twitter says: QUOTE Goal Sunday was to shake the s...   Jun 9 2008, 07:52 AM
- - Stu   Hey, Doug, if all else fails, they could always as...   Jun 9 2008, 08:02 AM
- - djellison   You think you're funny... you THINK you're...   Jun 9 2008, 10:32 AM
- - akuo   A sol 14 image of TEGA has appeared. There is some...   Jun 9 2008, 10:51 AM
|- - MahFL   QUOTE (akuo @ Jun 9 2008, 11:51 AM) I...   Jun 9 2008, 01:09 PM
|- - ugordan   Hmmm... I wonder how much (if any) of the soil fel...   Jun 9 2008, 01:16 PM
|- - MahFL   I still maintain they poured way too much soil ont...   Jun 9 2008, 01:39 PM
- - Stu   I can't make out much "settling" or ...   Jun 9 2008, 01:40 PM
|- - ugordan   On the brighter side, even if there was soil depos...   Jun 9 2008, 01:46 PM
- - centsworth_II   I wonder why they started with the uppermost oven....   Jun 9 2008, 02:22 PM
- - djellison   The ovens are side by side, not one above the othe...   Jun 9 2008, 02:23 PM
|- - centsworth_II   QUOTE (djellison @ Jun 9 2008, 09:23 AM) ...   Jun 9 2008, 02:30 PM
- - djellison   Yeah - it's a very very expensive, but small, ...   Jun 9 2008, 02:32 PM
|- - centsworth_II   QUOTE (djellison @ Jun 9 2008, 09:32 AM) ...   Jun 9 2008, 02:41 PM
|- - MahFL   QUOTE (djellison @ Jun 9 2008, 03:32 PM) ...   Jun 9 2008, 03:41 PM
- - tuvas   Poor TEGA... It just doesn't seem to be workin...   Jun 9 2008, 03:03 PM
|- - centsworth_II   QUOTE (tuvas @ Jun 9 2008, 10:03 AM) Poor...   Jun 9 2008, 03:07 PM
|- - Stu   QUOTE (centsworth_II @ Jun 9 2008, 04:07 ...   Jun 9 2008, 03:49 PM
- - jmknapp   Is a press conference scheduled today? Seems like ...   Jun 9 2008, 04:08 PM
- - Stu   Yep... Media Update NASA and the University of Ar...   Jun 9 2008, 04:14 PM
- - Sunspot   How many of the original science objectives can be...   Jun 9 2008, 04:18 PM
|- - ugordan   Whoa, people... Getting a bit negative, aren't...   Jun 9 2008, 04:19 PM
- - Stu   I was just thinking that... come on guys, first sa...   Jun 9 2008, 04:22 PM
- - MahFL   There are plenty of positive things about Phoenix ...   Jun 9 2008, 04:36 PM
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