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Extricating Spirit, Digging out from Troy
fredk
post Feb 10 2010, 03:44 AM
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Pics are down from the 2169 drive attempt (the last?). It looks like there wasn't much movement (not much was expected - this drive was supposed to improve tilt), but also it doesn't look like there was much tilt change:
http://qt.exploratorium.edu/mars/spirit/fo...7MP1214R0M1.JPG
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Astro0
post Feb 10 2010, 05:15 AM
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The movement between Sols 2165 and 2169 are indeed very small.
I wonder if this is what they were expecting or if the drive ended early.

Take a look at these animations.
Attached Image
Attached Image

Very minor tilt in the FHaz image. Larger movement by the rear wheels in the RHaz.
Interestingly, one wheel up and the other down, due to motion of RM wheel (?).

Attached Image
Attached Image

Looks like no motion/rotation of the LM wheel except that caused by the motion/rotation of the RM wheel.

I wonder if there will be any more drives attempted or if this was indeed the last for a while.
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Hungry4info
post Feb 10 2010, 12:24 PM
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It may not be able to go down any farther. It may have bottomed out already.


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James Sorenson
post Feb 10 2010, 01:04 PM
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I have made a hazcam video of Spirit's journey down the north side of Homeplate last winter, getting stuck in Troy, and attempted extrication to Sol 2169. Ohh!! and I have undistorted the images to smile.gif.

http://www.youtube.com/watch?v=XLFUTsk6upk

I'll try and upload a better quality video later, and for some reason youtube changed the aspect ratio mad.gif .
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fredk
post Feb 12 2010, 02:40 AM
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According to the latest update, Spirit's parked for the winter:
QUOTE
The last winter-preparatory movement of the rover was commanded on Sol 2169 (Feb. 8, 2010). The rover was commanded to flatten the suspension system on the right side and accentuate the suspension wheelie on the left side, all to enhance northerly tilt. Very little change in tilt was achieved.

Good luck through the long cold winter, girl...

(I guess we're done with this thread...)
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climber
post Feb 12 2010, 09:01 AM
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"The last winter-preparatory movement of the rover was commanded on Sol 2169 (Feb. 8, 2010)."

Right on UMSF anniversary! She's so sweet.
Good luck an wheel.gif again smile.gif


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Tesheiner
post Feb 12 2010, 08:50 PM
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(Moved the latest posts related to power levels / management to the other thread)
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Hungry4info
post Feb 13 2010, 03:45 PM
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Not sure if it's the right place to pots this, but...

Several new images are down from Spirit, showing more coverage of the sinking. I've stitched them together in an animation.

Attached thumbnail(s)
Attached Image
 


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PaulM
post Feb 14 2010, 09:57 AM
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QUOTE (Hungry4info @ Feb 13 2010, 03:45 PM) *
Several new images are down from Spirit, showing more coverage of the sinking. I've stitched them together in an animation.

Thankyou for the animation. This is Spirt's best shadow puppetry yet. smile.gif What I see is a dragon with a long snout and big ears.
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James Sorenson
post Feb 14 2010, 08:16 PM
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She looks on the ground to me in these latest MI's from Sol 2174.

http://marsrovers.jpl.nasa.gov/gallery/all/spirit_m2174.html
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briv1016
post Feb 16 2010, 03:22 AM
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With the latest downlink all of the "cleat cam" images are now down.

Right Forward:
http://www.youtube.com/watch?v=xIgRanViVc8

Right Rear:
http://www.youtube.com/watch?v=yb-u1XwZx-Y


I highly recommend you view it at 720p.
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Tesheiner
post Feb 17 2010, 06:59 AM
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Just found this sequence on the imaging plan for today, sol 2177. Last time I saw one of those was almost 300 sols ago.
Maybe preparing the spring extrication campaing? smile.gif

02177::p2398::19::8::0::0::8::2::18::pancam_drive_dir_4x1_L2R2

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Stu
post Feb 18 2010, 10:01 PM
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Look... in the hole on the left there... a Lucky Horse-shoe?

Attached Image


That has to be a good omen for the Spring...! smile.gif


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akuo
post Apr 9 2010, 01:12 PM
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I really like Scott's comments in his blog about Spirit's progress last time we moved and the possible plans for spring.


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BrianL
post Apr 11 2010, 02:31 PM
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Scott mentions "when we resume extrication efforts later this year", which presumably means later in this calendar year, so before January. Is Spirit not still committed to 6 months of stationary science after it wakes up before it does anything else? Or will they continue extrication, and then have it sit? Is the whole stationary science decision being reconsidered given that there now seems to be a good chance of getting Spirit out of this sand pit? Or at least postponed to be done during a subsequent winter haven where they can give the rover enough tilt to stay active through the winter months?
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