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MSL's Power Source
Guest_exobioquest_*
post Nov 27 2005, 04:46 PM
Post #1





Guests
Hi, new here.

I'm wondering if any news has come down about finalizing what MSL will run on?

Will it be 2 Boeing's MMRTG (at ~100 watts?) or Lockheed Martin’s SRG (again ~100watts?), have they decided yet? Willl MSL use the RPS to trickle charge a battery or will MSL run on the RPS only? God I hope solar is not a option is anyone pushing for it?
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MarsEngineer
post Jul 14 2012, 06:06 PM
Post #2


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The cooling loop (heat rejection subsystem or HRS) on the rover is very similar to the one on the cruise stage that runs around the cruise stage and down into the rover. This is based on the same design we first used on Mars Pathfinder then MER for the cruise HRS. Same dual redundant pumps on all of these loops.

I really love them. Essentially they maintain the rover body near room temperature most of the time taken from heat from the hot MMRTG that would otherwise radiate out to the Mars environment. As Paolo points out though, the rover freon only controls the temperature inside the rover but not its appendages. We need old fashioned electric heaters for that.


-Rob
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- exobioquest   MSL's Power Source   Nov 27 2005, 04:46 PM
- - helvick   QUOTE (exobioquest @ Nov 27 2005, 05:46 PM)Go...   Nov 27 2005, 06:30 PM
|- - exobioquest   QUOTE (helvick @ Nov 27 2005, 12:30 PM)The ME...   Nov 27 2005, 06:53 PM
|- - helvick   QUOTE (exobioquest @ Nov 27 2005, 07:53 PM)Th...   Nov 27 2005, 08:05 PM
|- - exobioquest   Well maybe your right about anti-nuclear nuts, I h...   Nov 27 2005, 08:38 PM
|- - helvick   QUOTE (exobioquest @ Nov 27 2005, 09:38 PM)35...   Nov 27 2005, 09:45 PM
||- - exobioquest   From what I have read SRG has survived several yea...   Nov 27 2005, 10:18 PM
|- - mchan   QUOTE (exobioquest @ Nov 27 2005, 12:38 PM)We...   Nov 29 2005, 05:46 AM
- - DEChengst   I'm quite sure MSL would survive after the bat...   Nov 27 2005, 09:14 PM
|- - exobioquest   Ya, but I don't think 100watts is enough to do...   Nov 27 2005, 09:30 PM
- - mcaplinger   QUOTE (exobioquest @ Nov 27 2005, 08:46 AM)Wi...   Nov 28 2005, 03:59 PM
|- - exobioquest   QUOTE (mcaplinger @ Nov 28 2005, 09:59 AM)Acc...   Nov 28 2005, 04:57 PM
|- - mcaplinger   QUOTE (exobioquest @ Nov 28 2005, 08:57 AM)We...   Nov 28 2005, 05:30 PM
|- - mcaplinger   QUOTE (mcaplinger @ Nov 28 2005, 09:30 AM)How...   Nov 29 2005, 05:22 AM
- - BruceMoomaw   Apparently the Stirling version simply won't b...   Nov 29 2005, 01:18 AM
|- - exobioquest   QUOTE (BruceMoomaw @ Nov 28 2005, 07:18 PM)Ap...   Nov 29 2005, 03:35 AM
- - mike   Gasoline production is a front so the military can...   Nov 29 2005, 04:04 PM
|- - exobioquest   mcaplinger, Its unlikely the mass of the SRG will...   Nov 29 2005, 06:49 PM
|- - mcaplinger   QUOTE (exobioquest @ Nov 29 2005, 10:49 AM)It...   Nov 29 2005, 07:15 PM
||- - exobioquest   mcaplinger, The SRG has 2 55w sterling engines so...   Nov 29 2005, 07:38 PM
||- - mcaplinger   QUOTE (exobioquest @ Nov 29 2005, 11:38 AM)Ma...   Nov 29 2005, 08:24 PM
||- - helvick   QUOTE (mcaplinger @ Nov 29 2005, 09:24 PM)If ...   Nov 29 2005, 08:41 PM
||- - exobioquest   I would be estactic if anything that can provide 2...   Nov 29 2005, 08:57 PM
||- - mcaplinger   QUOTE (exobioquest @ Nov 29 2005, 12:57 PM)At...   Nov 29 2005, 10:00 PM
||- - exobioquest   QUOTE (mcaplinger @ Nov 29 2005, 04:00 PM)Eve...   Nov 29 2005, 10:26 PM
|||- - mcaplinger   QUOTE (exobioquest @ Nov 29 2005, 02:26 PM)An...   Nov 30 2005, 12:34 AM
|||- - Marslauncher   QUOTE (mcaplinger @ Nov 30 2005, 12:34 AM)See...   Nov 30 2005, 12:47 AM
||- - helvick   QUOTE (mcaplinger @ Nov 29 2005, 11:00 PM)and...   Nov 29 2005, 10:30 PM
||- - exobioquest   helvick, Sure there is nothing wrong wit MER spee...   Nov 29 2005, 10:49 PM
||- - helvick   QUOTE (exobioquest @ Nov 29 2005, 11:49 PM)Su...   Nov 29 2005, 11:10 PM
||- - RNeuhaus   QUOTE (helvick @ Nov 29 2005, 06:10 PM)I...   Nov 30 2005, 03:34 AM
||- - exobioquest   What is this: "NASA is considering nuclear en...   Jan 15 2006, 04:57 AM
||- - mcaplinger   QUOTE (exobioquest @ Jan 14 2006, 08:57 PM)So...   Jan 15 2006, 06:12 AM
||- - helvick   QUOTE (mcaplinger @ Jan 15 2006, 07:12 AM)I h...   Jan 15 2006, 09:35 AM
|||- - exobioquest   Well what is the max the MERs gets? what 900-1000w...   Jan 15 2006, 06:06 PM
|||- - helvick   QUOTE (exobioquest @ Jan 15 2006, 07:06 PM)We...   Jan 15 2006, 06:57 PM
|||- - RNeuhaus   QUOTE (helvick @ Jan 15 2006, 01:57 PM)For a ...   Jan 16 2006, 03:14 AM
|||- - helvick   QUOTE (RNeuhaus @ Jan 16 2006, 04:14 AM)Not s...   Jan 16 2006, 03:26 AM
||- - RNeuhaus   QUOTE (mcaplinger @ Jan 15 2006, 01:12 AM)I h...   Jan 16 2006, 03:04 AM
|- - mchan   QUOTE (exobioquest @ Nov 29 2005, 10:49 AM)th...   Nov 30 2005, 02:43 AM
|- - exobioquest   Well if the MMRTG is set I can only hope they can ...   Nov 30 2005, 02:48 AM
- - mike   Personally I don't think any anti-RTG-type pro...   Nov 29 2005, 08:09 PM
- - BruceMoomaw   It's about to be declared the officially, firm...   Nov 30 2005, 02:29 AM
- - djellison   Yes - it's clearly just being 'polite...   Jan 15 2006, 09:09 AM
- - Analyst   Mike Griffin said at the NH press conference MSL w...   Jan 18 2006, 10:06 AM
- - pospa   DoE's Idaho National Laboratory (MMRTG supplie...   Nov 23 2011, 12:20 PM
- - monty python   Thanks pospa. I learned a lot from that.   Nov 24 2011, 10:52 AM
- - jmknapp   I saw a presentation on YouTube where it was state...   Jul 12 2012, 08:05 PM
- - djellison   MSL has a battery, just like MER. Don't thin...   Jul 12 2012, 09:19 PM
|- - jmknapp   QUOTE (djellison @ Jul 12 2012, 04:19 PM)...   Jul 13 2012, 12:09 AM
|- - djellison   QUOTE (jmknapp @ Jul 12 2012, 05:09 PM) I...   Jul 13 2012, 07:22 AM
|- - jmknapp   QUOTE (djellison @ Jul 13 2012, 03:22 AM)...   Jul 13 2012, 02:43 PM
||- - mcaplinger   QUOTE (jmknapp @ Jul 13 2012, 07:43 AM) I...   Jul 13 2012, 04:12 PM
|- - RoverDriver   QUOTE (djellison @ Jul 13 2012, 12:22 AM)...   Jul 13 2012, 09:34 PM
- - nprev   What fluid is used in the loop, Mike? An ammonia s...   Jul 13 2012, 09:26 PM
|- - mcaplinger   QUOTE (nprev @ Jul 13 2012, 02:26 PM) Wha...   Jul 13 2012, 10:02 PM
- - nprev   Ah. Thanks!   Jul 13 2012, 10:44 PM
- - MarsEngineer   The cooling loop (heat rejection subsystem or HRS)...   Jul 14 2012, 06:06 PM

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