![]() |
|
|
Thread Tools | Display Modes |
|
#1
|
|||
|
|||
![]() "Steven Litvintchouk" wrote in message ink.net... Winston Smith, American Patriot wrote: (astroman) wrote in inimitable style: January 29, 2004 NASA to Review Plan to Phase Out Hubble By THE ASSOCIATED PRESS [.....] O'Keefe had defended his decision earlier this month to cancel all space shuttle missions to the Hubble, which has revolutionized the study of astronomy with its striking images of the universe. He had cited the risk to the astronauts on a Hubble mission and President Bush's plans to send humans to the moon, Mars and beyond as the reason for NASA's change of focus. As much effort as it took to get the Hubble working correctly and as many spectacular results it has yielded, this is an investment worth keeping. Not possible. Not true. IIRC, the new safety rules for the Space Shuttle stipulate that it can only be flown in orbits that permit an emergency rendezvous with the International Space Station. The CAIB passed no laws. It made recommendations. Any of which can be waived by O'keefe should he change his mind. To rendezvous with the Hubble, the shuttle would be in an orbit that precludes rendezvous with the Space Station. That is not a problem. The fact that the Shuttle can now only be flown in orbits compatible with the Space Station makes it even more worthless than it was before. It was not useless before. Just too expensive. |
#2
|
|||
|
|||
![]() "Chosp" wrote in message news:1FvSb.31923$F15.4763@fed1read06... "Steven Litvintchouk" wrote in message ink.net... Winston Smith, American Patriot wrote: (astroman) wrote in inimitable style: January 29, 2004 NASA to Review Plan to Phase Out Hubble By THE ASSOCIATED PRESS [.....] O'Keefe had defended his decision earlier this month to cancel all space shuttle missions to the Hubble, which has revolutionized the study of astronomy with its striking images of the universe. He had cited the risk to the astronauts on a Hubble mission and President Bush's plans to send humans to the moon, Mars and beyond as the reason for NASA's change of focus. As much effort as it took to get the Hubble working correctly and as many spectacular results it has yielded, this is an investment worth keeping. Not possible. Not true. Then allow me to rephrase for him. "Not viable under current CAIB flight recommendations." IIRC, the new safety rules for the Space Shuttle stipulate that it can only be flown in orbits that permit an emergency rendezvous with the International Space Station. The CAIB passed no laws. It made recommendations. Any of which can be waived by O'keefe should he change his mind. While the CAIB passed no laws, Congress very much wants NASA and O'Keefe to follow that report to the letter. To do otherwise would jeopardize their funding, which Congress determines, remember? Has it occurred to anyone that this might, just might, be O'Keefe's way of saying that the CAIB restrictions on missions not going to the ISS are too bloody restrictive? Of all the arguments flying both ways on this, nobody has mentioned that possibility. To rendezvous with the Hubble, the shuttle would be in an orbit that precludes rendezvous with the Space Station. That is not a problem. Yes, actually, it is, because NASA would need a repair kit in place on the Orbiter that could repair any damage to the outer hull that she suffers. This is, to say the least, a significant pain in the neck, considering tiles are custom-fit on the bird, not to mention problems with replacing RCC panels in orbit. To top it off, NASA has to have a rescue plan in place. With the ISS, it's easy - dock 'em at the station, share supplies, ready another Shuttle, and use BDRs and Progress ships to send up supplies when necessary. For the Hubble mission, they'd need to have a second Shuttle sitting on the pad and ready to go in the event of problems with the first one. This is beginning to stretch the capacity of NASA into impossibility. This would undoubtedly be a major budgetary issue. The fact that the Shuttle can now only be flown in orbits compatible with the Space Station makes it even more worthless than it was before. It was not useless before. Just too expensive. Here we agree entirely. IIRC, though, wouldn't replacing the SRBs with liquid-fueled boosters go a long way towards reducing operational costs? Second question (for you or anyone else who might know) - for missions where that huge cargo capacity isn't necessary, could an Orbiter carry additional fuel bunkerage in its cargo bay? On something like the Hubble repair mission, might they be able to carry enough fuel to provide the delta-v to reach the ISS, or would another 20-25 tons of fuel not really be sufficient for that? --Jason |
Thread Tools | |
Display Modes | |
|
|
![]() |
||||
Thread | Thread Starter | Forum | Replies | Last Post |
NASA's O'Keefe Dropped On His Head As An Infant?? | Chosp | Policy | 13 | February 2nd 04 04:41 PM |
NASA's year of sorrow, recovery, progress and success | Jacques van Oene | Space Shuttle | 0 | December 31st 03 07:28 PM |
NASA's year of sorrow, recovery, progress and success | Jacques van Oene | Space Station | 0 | December 31st 03 07:28 PM |
UFO Activities from Biblical Times | Kazmer Ujvarosy | Astronomy Misc | 0 | December 25th 03 05:21 AM |