My Assistant
| Posted on: Feb 14 2011, 12:27 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
I know, just being lazy, also I don't actually frequent the nasa site much, and would have had to guess where the tv schedule was...... Bottom line is it's on too late for me....I need to be zzzzzzzzz at 11:30 EST. Oh well. |
| Forum: Cometary and Asteroid Missions · Post Preview: #170570 · Replies: 247 · Views: 287244 |
| Posted on: Feb 14 2011, 12:10 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
What time does the NASA tv coverage start ? |
| Forum: Cometary and Asteroid Missions · Post Preview: #170568 · Replies: 247 · Views: 287244 |
| Posted on: Feb 11 2011, 11:25 AM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
Stardust NExT 'Live' module is up and running on Eyes on the Solar System. |
| Forum: Cometary and Asteroid Missions · Post Preview: #170497 · Replies: 247 · Views: 287244 |
| Posted on: Feb 10 2011, 12:55 AM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
So your point of post 178 was.....? I was just pointing out that the forces on bouncing were not 40 G but a relatively benign 3 or 4 G's. That was probably due to the excellent performance and timing of the of the retro rockets. So in future it might be argued that airbags work well, within the limits of thier design. Of course there is always going to be a day when your not so lucky. |
| Forum: MSL · Post Preview: #170441 · Replies: 414 · Views: 203792 |
| Posted on: Feb 10 2011, 12:47 AM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
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| Forum: Forum News · Post Preview: #170440 · Replies: 199 · Views: 445799 |
| Posted on: Feb 8 2011, 11:21 AM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
Those low G forces were unexpectedly at the soft end of a bell curve that extended to 40G. You have to design with the 40G in mind, because next time you might not be so lucky on the combined performance of chute / airbags / radar / surface / wind etc. The MSL landing technique reduces the size of that bell-curve drastically. I know you have to design with 40 G in mind, cause if it went to 4 G's and broke, you'd be kicking yourself in the backside for ever. Also NASA HQ would not accept 4 G........ |
| Forum: MSL · Post Preview: #170370 · Replies: 414 · Views: 203792 |
| Posted on: Feb 7 2011, 02:53 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
....The advantages are the ability to land a much heavier load than what is possible with airbags, plus spare the payload the shocks of bouncing (which are pretty rough, BTW...on the order of 40g's.)... I seem to recall the landing shock of the MER's was only 1 or 2 G's as per the engineering assesment. I believe everything was tested to 40 or so G's but the landing profile was not meant to impart that much force. On second thoughts I might be getting mixed up with Phoenix Lander, which touched drown pretty softly.... |
| Forum: MSL · Post Preview: #170325 · Replies: 414 · Views: 203792 |
| Posted on: Jan 31 2011, 12:40 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
Yawn...that peice has enough, "proberblies, coulds, don't knows, virtualy no", to make it a waste of time reading. |
| Forum: MSL · Post Preview: #170078 · Replies: 414 · Views: 203792 |
| Posted on: Jan 20 2011, 11:38 AM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
It would have been more embarassing to have samples and a non built clean room back on Earth...... |
| Forum: Venus · Post Preview: #169781 · Replies: 736 · Views: 1262518 |
| Posted on: Dec 27 2010, 02:32 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
I wonder what the preliminary analysis consisted of ? |
| Forum: Cometary and Asteroid Missions · Post Preview: #168709 · Replies: 258 · Views: 304493 |
| Posted on: Dec 27 2010, 02:29 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
Thats odd, having a one time operation valve, not reversable by a command. |
| Forum: Venus · Post Preview: #168708 · Replies: 736 · Views: 1262518 |
| Posted on: Dec 23 2010, 02:00 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
Have any of the original core mission team died ? |
| Forum: New Horizons · Post Preview: #168589 · Replies: 1628 · Views: 1114094 |
| Posted on: Dec 13 2010, 02:57 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
From the BBC.... "The Geminids consist of tiny particles ranging in size from a grain of sand to a pea shed by 3200 Phaethon, an object thought to be an extinct comet." If only they would check thier facts before publishing.....shame. For those that don't know, it's an extint asteroid not comet. |
| Forum: Chit Chat · Post Preview: #167918 · Replies: 549 · Views: 459727 |
| Posted on: Dec 13 2010, 02:31 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
Well if you look at a rainforest from the air it looks mostly boring old green......... |
| Forum: Lunar Exploration · Post Preview: #167915 · Replies: 6 · Views: 26280 |
| Posted on: Dec 8 2010, 12:54 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
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| Forum: Venus · Post Preview: #167641 · Replies: 736 · Views: 1262518 |
| Posted on: Dec 2 2010, 02:12 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
The old saying "hit it with a hammer" comes to mind...... :rolleyes Needless to say a 1 million yen hammer......... |
| Forum: Cometary and Asteroid Missions · Post Preview: #167314 · Replies: 258 · Views: 304493 |
| Posted on: Nov 23 2010, 05:55 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
It looks like a mini Victoria, nothing new....., drive right on by it ! |
| Forum: Opportunity · Post Preview: #166963 · Replies: 548 · Views: 280127 |
| Posted on: Nov 19 2010, 05:27 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
The pyro is a small explosive, it pushes a sharp shear edge to cut the cables. Remember if they were not cut the rover would have been a lander, so the system have to be very very reliable. http://exploration.nasa.gov/documents/repo..._From_Pyros.pdf I had never seen that before....boom ! |
| Forum: Mars · Post Preview: #166843 · Replies: 466 · Views: 366856 |
| Posted on: Nov 4 2010, 01:41 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
When will the pictures be sent back ? |
| Forum: Cometary and Asteroid Missions · Post Preview: #166150 · Replies: 378 · Views: 339596 |
| Posted on: Nov 4 2010, 12:16 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
I installed the Eyes on the Solar System s/w at work Watches over shoulder for bosses........ |
| Forum: Cometary and Asteroid Missions · Post Preview: #166144 · Replies: 378 · Views: 339596 |
| Posted on: Sep 24 2010, 12:36 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
I was indeed referring to the red straps in the clean room, I saw 2 of them. |
| Forum: MSL · Post Preview: #164477 · Replies: 414 · Views: 203792 |
| Posted on: Sep 23 2010, 11:18 AM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
Wow they have some big wheel tie downs on Curiosity. |
| Forum: MSL · Post Preview: #164432 · Replies: 414 · Views: 203792 |
| Posted on: Aug 23 2010, 01:24 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
Truely amazing. |
| Forum: Image Processing Techniques · Post Preview: #163404 · Replies: 5 · Views: 7102 |
| Posted on: Aug 20 2010, 04:25 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
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| Forum: New Horizons · Post Preview: #163312 · Replies: 211 · Views: 277886 |
| Posted on: Aug 13 2010, 01:59 PM | |
![]() Forum Contributor ![]() ![]() ![]() ![]() Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
The trick of course is to have the intact wheels still attatched to a 100 % functioning rover |
| Forum: MSL · Post Preview: #163151 · Replies: 177 · Views: 205349 |
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