Entry Pool, Predict when Oppy will enter Victoria Crater |
Entry Pool, Predict when Oppy will enter Victoria Crater |
Sep 11 2007, 07:45 PM
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#91
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Member Group: Members Posts: 270 Joined: 29-December 04 From: NLA0: Member No.: 133 |
-------------------- PDP, VAX and Alpha fanatic ; HP-Compaq is the Satan! ; Let us pray daily while facing Maynard! ; Life starts at 150 km/h ;
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Sep 12 2007, 08:43 AM
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#92
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Member Group: Members Posts: 547 Joined: 1-May 06 From: Scotland (Ecosse, Escocia) Member No.: 759 |
So Sol 1291 was entry day, all 6 wheels inside Victoria.
JPL entry announcement "Today, NASA's Mars Exploration Rover Opportunity entered Victoria Crater for the first time..... Opportunity drove far enough in -- about four meters (13 feet) -- to get all six wheels past the crater rim. Then it backed uphill for about three meters (10 feet). " I will leave the final judgment of the winner to one of our adjudicators. Kenny |
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Sep 12 2007, 09:04 AM
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#93
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Founder Group: Chairman Posts: 14431 Joined: 8-February 04 Member No.: 1 |
1285 sattrackpro
1299 centsworth II Entry 1291 Sattrackpro -6 Centsworth +8 STP wins - his is the closest estimate. Doug |
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Sep 12 2007, 09:20 AM
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#94
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Member Group: Members Posts: 754 Joined: 9-February 07 Member No.: 1700 |
Good effort centsworth - missed it on the pro side!
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Sep 12 2007, 10:40 AM
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#95
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Senior Member Group: Moderator Posts: 4279 Joined: 19-April 05 From: .br at .es Member No.: 253 |
I don't know if there will be additional prizes to the winner but this one is for sure.
Congrats Sattrackpro! And I think centsworth II deserves another one too. |
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Sep 12 2007, 12:28 PM
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#96
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Member Group: Members Posts: 136 Joined: 13-October 05 From: Malibu, CA Member No.: 527 |
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Sep 12 2007, 08:18 PM
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#97
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Senior Member Group: Members Posts: 2917 Joined: 14-February 06 From: Very close to the Pyrénées Mountains (France) Member No.: 682 |
I don't know if there will be additional prizes to the winner You're the winner Eduardo ! Oppy entered Vicky (nearly) when SPIRIT was 1313 PS : Congratulations STKPRO -------------------- |
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Sep 12 2007, 10:17 PM
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#98
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Member Group: Members Posts: 279 Joined: 19-August 07 Member No.: 3299 |
A new topic would be when the Opportunity would be getting out of Victory. Indeed, now it is long time to predict on two things: She will stay there forever or will leave out of the Victory.
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Sep 13 2007, 12:11 AM
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#99
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Senior Member Group: Members Posts: 2173 Joined: 28-December 04 From: Florida, USA Member No.: 132 |
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Guest_PhilCo126_* |
Sep 16 2007, 06:00 PM
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#100
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Guests |
Were these first 'steps' not conducted as an ingress test, after which they should try to get completely out again?
Otherwise Victoria crater could become Oppy's grave |
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Sep 16 2007, 06:04 PM
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#101
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Founder Group: Chairman Posts: 14431 Joined: 8-February 04 Member No.: 1 |
Catch up Phil - they did a toe-dip in and out again - and since then, have now gone fully back in.
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Sep 17 2007, 05:51 AM
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#102
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Member Group: Members Posts: 144 Joined: 17-July 07 From: Canberra Australia Member No.: 2865 |
I am not sure that I really have my mind around this toe dip concept. They put all six wheels down the slope, then they backed up to ensure that they could get out. Why? If there was undue slippage or (unlikely but possible as Brian L implied) the backout resulted in a purgatory event, then what was the payoff for this evolution. Better to have deferred the risk until after exploration within the crater had been completed and then experiment with egress. But then again I guess that I am too conservative ever to be a rover driver.
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Sep 17 2007, 07:20 AM
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#103
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Founder Group: Chairman Posts: 14431 Joined: 8-February 04 Member No.: 1 |
Driving out they used the visidom technique to make sure they were not slipping too much - and if you read the updates you'll see that the rover identified a slip of 40% and stopped driving.
Better to know you can get out before getting in much deeper. Doug |
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Sep 17 2007, 03:34 PM
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#104
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Senior Member Group: Members Posts: 4245 Joined: 17-January 05 Member No.: 152 |
The toedip policiy makes sense as far as traction on the (hopefully) rocky interior slope goes. If that traction is anomalously bad, you probably want to rethink going in deep, and may want to get out and try somewhere else. But if the raised drift at the edge of the rim could not be driven back across without severe slippage, but the rocky slope was OK, then clearly once you're "in" you may as well go all the way in for the white layer. As it turned out there was some slippage backing out on the drift, but hopefully that won't effect the eventual egress.
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Sep 17 2007, 04:34 PM
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#105
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Senior Member Group: Moderator Posts: 3431 Joined: 11-August 04 From: USA Member No.: 98 |
It's all dust under the bridge now - we're in. Plus, egress worked and wasted little time. Hooray for our side!
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