Space

Shake, Rattle and Roll

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Keith Cowing has a report on today’s telecon to discuss the Ares 1 vibration issue. Apparently they’ve settled on a solution before they really understand the problem.

[Late afternoon update]

Bobby Block and Todd Halvorson have blog posts up as well. But I think that Halvorson’s reporting is a little garbled here:

Gravitation forces on the astronauts will be reduced to 0.25 Gs from around 5 to 6 Gs, the latter of which is about double the force exerted on shuttle crews.

I think that he’s confusing the steady-state acceleration resulting from thrust with the vibration acceleration ostensibly being mitigated by the springs and dampers. Also, it’s not a “gravitation force.” I’m assuming that NASA meant that they can reduce the oscillations on the crew couch from high gees to a quarter of a gee, but that’s independent of the gees imposed by thrust. If they’re only accelerating at a quarter of a gee, that would result in horrific gravity losses during ascent.

Administrative

Surviving The Storm

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It hasn’t been that big a deal for me here in Boca. Windy and rainy, but nothing damaged, and not so windy that I can’t go outside. We lost power this morning for a few minutes, but not long enough to knock down the computers on the UPS. And the pool is full, which is always good.

Political Commentary, Space, Space and Campaign 2008

McCain’s Space Advice

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Well, now we know what the “space experts” told John McCain yesterday up in Titusville.

As I noted in my piece at PJM, the options aren’t very pretty. The lowest risk course is to continue Shuttle past 2010, but to keep this option open, they have to take some immediate actions to keep production open on consumables, such as ETs. As I’ve noted before, it’s ironic that they’re shutting the system down just as they’ve finally wrung most of the bugs out of it. It still remains horrifically expensive, of course, but no more so than Ares/Orion, and it has a lot more capability. I think that the “recertification” issue is a red herring. Just because the CAIB recommended it doesn’t mean that it makes any sense, since no one knows what it really means. Nothing magical happens in 2010 that makes it suddenly unsafe to fly. That date was chosen as the earliest one that they could retire and still complete ISS, not on the basis that anything was worn or wearing out. They could just continue to fly, and do periodic inspections.

I found it interesting, but not surprising, that Lafitte recommended an acceleration of Ares. It would be more in his company’s interest to just give up on it and use Atlas, but I suspect that would be too politically incorrect to say with reporters around. He has to live with Mike Griffin for at least another few months.

What would I do if I were king? I’d stop buying Soyuz, and keep the Shuttle flying, I’d abandon Ares/Orion, and provide huge incentives to the private sector by establishing prop depots and paying good money for prop delivery. That would require more money than people want to spend, but we’d get a lot more robust transportation infrastructure, ready to go to either the moon or Mars (or other destinations) at a lot lower mission cost than NASA’s current plans. It’s what we would do if space were really important. But of course, it’s not, so we won’t.

Media Criticism, Political Commentary

It’s That Time Of The Week Again

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Lileks takes on Keillor. Again.

Every column now ends with on-marching truth. But what’s this thing about the rich and privileged saying it’s not a great country? I hear more distaste and dismay about America from one Senator than the other; I hear more disdain from cosseted movie stars than I hear from ordinary folk; I hear more grumpy, costive old burbling about the dark hole into which America has fallen from a rich and privileged Old Scout than I hear from, say, middle-class bloggers who get 40 hits a day but happen to love the actual country we have as opposed to the theoretical variant which Keillor believes is right around the corner. Next week: an attack, probably, on the smug, self-righteous rich and privileged, who think America’s just great. At least we know how that one will end: truth, marching, et cetera.

I think that Keillor has attained that unblessed state that no one dare edit him. Thankfully, we have Lileks.

Political Commentary, Space, War Commentary

Casualty Of War?

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I have a piece up at Pajamas Media this morning on the potential effect of Russia’s renewed belligerence on the US space program.

I should note that I may have been a little too sanguine about the situation for the current ISS crew. While the RSA astronauts in Expedition 17 weren’t born in Russia, it’s possible that they are Russians, and sympathetic to Russia, given the way that Russia had colonized the Ukraine and Turkmen Republic and moved populations of Russians in there. It’s all really speculation. Only the crew really know what the atmosphere is up there.

Space

Scaled Brings in SpaceDev Again

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SpaceDev has announced Scaled Composites has selected them to develop a hybrid motor for SpaceShipTwo in a $15 million contract. The point that SpaceDev was selected (not down-selected) in SpaceShipOne development was 3.25 years before winning the Ansari X-Prize. This is consistent with the duration announced for the development contract for SpaceShipTwo’s rocket motor of “through 2012” with work “primarily completed over the next two years”. SpaceShipTwo will likely burn rubber getting to suborbital space.

Biting Commentary about Infinity…and Beyond!