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MSL FAQ - The pool of questions
djellison
post Jun 1 2007, 03:11 PM
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Rob Manning and I swopped emails last night - and we think it might make sense to pool all the questions people have about MSL (and specifically MSL's EDL ) into one thread - and then answer as many as make sense either via a Q'n'A in the style of the previous ones I've done with Steve and Jim - or via Rob's typing fingers.

It'll be a few weeks till we sort this out - but submit-away until then smile.gif

Doug
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Toma B
post Jun 2 2007, 06:43 AM
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Thanks Doug!
Here are my questions:

a ) Tests of Skycrane on Earth:
1 ) Is there a plan to do at least one full scale test of the descent stage using as close as possible to flight hardware?

2 ) When and where will these tests be undertaken?

3 ) Is there an almost finished Skycrane NOW somewhere in labs? (I don't intend to steel it :-))


b ) How long can it work once it is released from backshell?
1 ) How much fuel does it carry?

2 ) What is Skycranes thrust to weight ratio at full throttle?

3 ) At what height is Skycrane released from the backshell?


c ) How far away will Skycrane crash after releasing MSL-lander? (I know this cannot be answered precisely)
1 ) Is it possible that Skycrane will (almost) soft land?

2 ) Is there a plan to visit it after or is that for any reason dangerous?


Thanks again for the opportunity to do this? Sorry for my English.....

P.S.
I love this place....


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The scientist does not study nature because it is useful; he studies it because he delights in it, and he delights in it because it is beautiful.
Jules H. Poincare

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Posts in this topic
- djellison   MSL FAQ - The pool of questions   Jun 1 2007, 03:11 PM
- - elakdawalla   Doug and I had the same idea -- he got to Rob firs...   Jun 1 2007, 05:11 PM
- - Juramike   My Big list 'o Questions: 1) How scalable is ...   Jun 1 2007, 06:03 PM
- - akuo   Ok, here is my question: MSL is not limited by el...   Jun 1 2007, 07:43 PM
|- - Jim from NSF.com   QUOTE (akuo @ Jun 1 2007, 03:43 PM) Ok, h...   Jun 1 2007, 09:16 PM
|- - centsworth_II   QUOTE (Jim from NSF.com @ Jun 1 2007, 05...   Jun 4 2007, 02:45 PM
|- - Jim from NSF.com   QUOTE (centsworth_II @ Jun 4 2007, 10:45 ...   Jun 4 2007, 07:45 PM
- - Stu   Apart from the obvious question that springs to mi...   Jun 1 2007, 09:17 PM
|- - mcaplinger   QUOTE (Stu @ Jun 1 2007, 02:17 PM) Will w...   Jun 2 2007, 07:06 PM
- - djellison   QUOTE (djellison @ Jun 1 2007, 04:11 PM) ...   Jun 1 2007, 09:45 PM
|- - Stu   QUOTE (djellison @ Jun 1 2007, 10:45 PM) ...   Jun 2 2007, 05:14 AM
- - nprev   Okay, I got two: 1. How exactly is the MSL/crane ...   Jun 1 2007, 11:35 PM
- - dvandorn   And here's a few more to add to nprev's: ...   Jun 2 2007, 12:45 AM
- - Toma B   Thanks Doug! Here are my questions: a ) Tests...   Jun 2 2007, 06:43 AM
- - Eluchil   Here are a few Rob might know the answers to: 1) ...   Jun 2 2007, 06:46 AM
- - djellison   There's a few questions that I think I can do ...   Jun 2 2007, 07:53 AM
- - helvick   I presume you mean MSL2MRO there.   Jun 2 2007, 09:16 AM
- - djellison   Yeah - that what I said. Cough ahem oops well...   Jun 2 2007, 09:39 AM
- - DEChengst   Looking at it from an artistic point of view: Is ...   Jun 2 2007, 02:07 PM
|- - djellison   QUOTE (DEChengst @ Jun 2 2007, 03:07 PM) ...   Jun 2 2007, 03:07 PM
|- - nprev   QUOTE (DEChengst @ Jun 2 2007, 07:07 AM) ...   Jun 2 2007, 04:30 PM
- - ElkGroveDan   Once science is well on the way, are there any pla...   Jun 2 2007, 03:05 PM
- - djellison   This skycrane/decent stage debate is ending. Now. ...   Jun 2 2007, 06:46 PM
- - Sunspot   Malin Space Science Systems has information on som...   Jun 2 2007, 07:16 PM
- - djellison   Here's one for you Mike - I get bayer filters ...   Jun 2 2007, 07:18 PM
|- - mcaplinger   QUOTE (djellison @ Jun 2 2007, 12:18 PM) ...   Jun 2 2007, 08:13 PM
- - nprev   Nice, you guys; sounds like some exciting pics are...   Jun 2 2007, 07:24 PM
- - Jim from NSF.com   The amount of fuel in the DESCENT STAGE should be ...   Jun 2 2007, 07:32 PM
- - nprev   Ah. So, then, the descent stage is expected to sta...   Jun 2 2007, 07:48 PM
- - Jim from NSF.com   Not really, the flyout is independent of landing s...   Jun 2 2007, 07:51 PM
- - nprev   I see; thanks! I was wondering about some of t...   Jun 2 2007, 07:56 PM
- - djellison   Ahh - suddenly it all becomes clear(er) - cheers ...   Jun 2 2007, 08:49 PM
- - climber   Question for both Phoenix and MSL : what kind of c...   Jun 2 2007, 09:21 PM
|- - mcaplinger   QUOTE (climber @ Jun 2 2007, 02:21 PM) Qu...   Jun 2 2007, 10:00 PM
- - monitorlizard   Given the power output of MSL's RTG and the be...   Jun 2 2007, 11:57 PM
- - Thu   I have some questions: 1. What is the ratio of fi...   Jun 4 2007, 01:18 AM
|- - mcaplinger   QUOTE (Thu @ Jun 3 2007, 06:18 PM) 2. I r...   Jun 4 2007, 02:53 AM
|- - Pertinax   QUOTE (mcaplinger @ Jun 3 2007, 10:53 PM)...   Jun 5 2007, 07:34 PM
|- - mcaplinger   QUOTE (Pertinax @ Jun 5 2007, 12:34 PM) I...   Jun 6 2007, 02:07 AM
- - remcook   If you've got an RTG you might as well do nigh...   Jun 4 2007, 08:44 AM
- - elakdawalla   Here's a few that I've received by email. ...   Jun 4 2007, 05:22 PM
|- - Jim from NSF.com   QUOTE (elakdawalla @ Jun 4 2007, 01:22 PM...   Jun 4 2007, 10:30 PM
|- - Cugel   QUOTE (Jim from NSF.com @ Jun 4 2007, 10...   Jun 5 2007, 01:44 PM
|- - tty   QUOTE (Cugel @ Jun 5 2007, 03:44 PM) Woul...   Jun 5 2007, 04:31 PM
|- - Jim from NSF.com   QUOTE (Cugel @ Jun 5 2007, 09:44 AM) Woul...   Jun 5 2007, 04:31 PM
|- - Cugel   QUOTE (Jim from NSF.com @ Jun 5 2007, 04...   Jun 5 2007, 05:02 PM
- - Alex Chapman   I know it’s a little off topic but I have a quick ...   Jun 5 2007, 07:37 AM
- - Jim from NSF.com   SAM is being redesigned at the moment   Jun 5 2007, 11:45 AM
- - centsworth_II   Hold a Yo Yo by the string. With a few cm of stri...   Jun 5 2007, 03:14 PM
- - Pertinax   Thank you. I didn't know if there were an...   Jun 6 2007, 01:21 PM
- - MarsEngineer   Holy smokes! I leave you folks for a few days ...   Jun 7 2007, 12:08 AM
- - nprev   Hey, Rob! Thanks for the update. (Surprising h...   Jun 7 2007, 04:26 AM
- - Jim from NSF.com   There are some "major" changes to the s...   Jun 7 2007, 05:16 AM
- - Geographer   Why not have two rovers like MER? Double the scie...   Jun 20 2007, 07:16 AM
- - djellison   Because the money isn't there to do it. MER w...   Jun 20 2007, 07:26 AM
- - Toma B   I'm just curious ,how much would MER cost now ...   Jun 20 2007, 07:51 AM
|- - Jim from NSF.com   B)-->QUOTE(Toma B @ Jun 20 2007, 03:51 AM...   Jun 22 2007, 02:32 AM
|- - nprev   QUOTE The launch vehicle would have to be differen...   Jun 22 2007, 02:54 AM
|- - AlexBlackwell   QUOTE (Jim from NSF.com @ Jun 21 2007, 04...   Jun 22 2007, 05:21 PM
- - djellison   Well - when I spoke to Squyres back in the autumn ...   Jun 20 2007, 08:32 AM
|- - Oren Iishi   QUOTE (djellison @ Jun 20 2007, 08:32 AM)...   Jun 28 2007, 11:37 PM
- - dvandorn   I will also point out, in regards re-using the MER...   Jun 20 2007, 12:56 PM
- - Geographer   Thanks djellison, I had no idea MSL is costing tha...   Jun 21 2007, 09:53 AM
- - helvick   An RTG of the type MSL will use costs in the regio...   Jun 21 2007, 10:50 AM
|- - Jim from NSF.com   QUOTE (helvick @ Jun 21 2007, 06:50 AM) A...   Jun 22 2007, 02:35 AM
- - Jim from NSF.com   The vehicles weren't design for that. Per Pet...   Jun 22 2007, 07:20 PM
- - AlexBlackwell   I know MER wasn't designed for that; the assum...   Jun 22 2007, 07:28 PM
- - hendric   Rob, How is MSL going to keep the sand out of it...   Jun 23 2007, 10:44 PM
|- - MarsEngineer   QUOTE (hendric @ Jun 23 2007, 03:44 PM) R...   Jul 2 2007, 04:02 AM
- - PhilHorzempa   Rob, There is a thread here at UMSF discussi...   Jun 28 2007, 12:43 AM
|- - Jim from NSF.com   QUOTE (PhilHorzempa @ Jun 27 2007, 08:43 ...   Jun 28 2007, 02:38 AM
||- - ElkGroveDan   QUOTE (Jim from NSF.com @ Jun 27 2007, 06...   Jun 29 2007, 04:17 AM
|- - mcaplinger   QUOTE (PhilHorzempa @ Jun 27 2007, 05:43 ...   Jun 28 2007, 06:48 PM
|- - Jim from NSF.com   QUOTE (mcaplinger @ Jun 28 2007, 02:48 PM...   Jun 28 2007, 08:08 PM
|- - gallen_53   QUOTE (mcaplinger @ Jun 28 2007, 06:48 PM...   Jun 29 2007, 11:43 PM
|- - MarsEngineer   QUOTE (mcaplinger @ Jun 28 2007, 11:48 AM...   Jul 2 2007, 04:32 AM
||- - David   QUOTE (MarsEngineer @ Jul 2 2007, 04:32 A...   Jul 2 2007, 12:06 PM
|||- - Jim from NSF.com   QUOTE (David @ Jul 2 2007, 08:06 AM) The ...   Jul 8 2007, 12:33 PM
||- - climber   QUOTE (MarsEngineer @ Jul 2 2007, 06:32 A...   Jul 8 2007, 10:46 AM
|- - Stephen   QUOTE (mcaplinger @ Jun 29 2007, 04:48 AM...   Jul 11 2007, 10:12 AM
|- - dvandorn   QUOTE (Stephen @ Jul 11 2007, 05:12 AM) ...   Jul 13 2007, 01:07 AM
- - Jim from NSF.com   Because it has be used over and over in the Mars y...   Jun 29 2007, 01:32 AM
- - Jim from NSF.com   Because the Admin has the final say. As for burea...   Jun 29 2007, 03:11 PM
- - djellison   Oh - I heard other names got used once or twice gi...   Jun 29 2007, 11:47 PM
- - mchan   Those got mentioned here. Divorce was one, can...   Jun 30 2007, 01:55 AM
- - Toma B   I'm little impatient... When is "Rob Mann...   Jul 11 2007, 10:20 AM
- - djellison   Plan is for me to pull all the questions together ...   Jul 11 2007, 10:43 AM
- - lyford   All that MARDI talk over on the Phoenix thread got...   Jul 13 2007, 11:51 PM
- - monitorlizard   Some may feel this belongs in the Mars Sample Retu...   Jul 14 2007, 08:00 AM
|- - Jim from NSF.com   Close to launch? CDR just happened and the sample...   Jul 14 2007, 01:22 PM
- - nprev   Agreed, Monitor. However, that sounds like a poten...   Jul 14 2007, 12:39 PM
|- - lyford   QUOTE (nprev @ Jul 14 2007, 05:39 AM) Of ...   Jul 14 2007, 03:07 PM
- - edstrick   "...science team would have to be pretty sele...   Jul 15 2007, 07:05 AM
|- - nprev   QUOTE (edstrick @ Jul 15 2007, 12:05 AM) ...   Jul 16 2007, 02:52 AM
- - monitorlizard   Instead of "close to launch" I probably ...   Jul 15 2007, 10:29 AM
- - monitorlizard   The great thing about this forum is that the inter...   Jul 15 2007, 10:49 AM
- - Jim from NSF.com   As of now, it is going to be a horizontal carousel...   Jul 15 2007, 02:07 PM
- - Phil Stooke   odoug: "I may be misremembering, but I have t...   Jul 15 2007, 06:14 PM
- - edstrick   There was a very very good general review of the T...   Jul 16 2007, 06:13 AM
- - mchan   I do recall reading the Astronautics and Aeronauti...   Jul 16 2007, 08:35 AM
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