【Hacker News搬运】星舰5号：发射和助推器捕获[视频]

[hackernews]

Title: Starship Flight 5: Launch and booster catch [video]

星舰5号：发射和助推器捕获[视频]

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Url: https://twitter.com/SpaceX/status/1845152255944819015

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Post by: alecco

Comments:

ChuckMcM: Pretty impressive. The engineering team at SpaceX is really something. Some thoughts;<p>The 'chopsticks catch' was amazing to watch. Seems like it adds a lot of risk and clearly the booster needs additional fire suppression systems perhaps the tower could mount something that sprays the booster like the barges have for the F9 boosters.<p>The heatshield held out for a much longer time, the asymmetric heating on the flaps was interesting. I had guessed that all four flaps would have equivalent heating based on an approach that was basically that side of the rocket perpendicular to the flow but it seems like that isn't the case. Still it seems like they are close to having something workable here.<p>The detonation at the end was pretty spectacular too, but I suspect that structurally the tanks failed as the rocket hit the water vs anything that was an engineering failure. Engineering it to be strong enough to land on water would presumably compromise the cargo to orbit number.<p>The use of Starlink was really interesting. The ability to get live video for the entire re-entry is pretty game changing for engineering. I'd guess there are even more 'views' than they showed (there would be if I were running things :-)) but overall that capability is something that really helps evaluate the changes made.<p>I can easily imagine that flight 6 will be nominal end to end without any unintended damage. That would enable, perhaps, one of their 'massive' Starlink missions to test cargo delivery. It will also start to give us some better numbers on exactly how much cargo Starship can put in orbit in 'full reuse' mode which is essential if they want to create a fueling station on orbit for the Artemis program.<p>Again, hats off to engineering at SpaceX, y'all did good.

ChuckMcM: 相当令人印象深刻。SpaceX的工程团队真的很了不起。一些想法<p> ■；筷子夹；看着真是太棒了。这似乎增加了很多风险，显然助推器需要额外的灭火系统：-）也许塔楼可以安装一些像F9助推器的驳船一样喷洒助推器的东西<p> 隔热板能保持更长的时间，襟翼上的不对称加热很有趣。我曾猜测，基于一种基本上是火箭垂直于气流的一侧的方法，所有四个襟翼都会有等效的加热，但似乎不是这样；事实并非如此。不过，他们似乎即将在这里找到可行的东西<p> 最后的爆炸也相当壮观，但我怀疑，在火箭撞击水中时，坦克在结构上发生了故障，而不是任何工程故障。将其设计得足够坚固，可以在水上着陆，这可能会影响货物到轨道的数量<p> Starlink的使用真的很有趣。在整个重返大气层过程中获得实时视频的能力对工程来说是一个改变游戏规则的能力；我想还有更多；浏览次数；比它们显示的要多（如果我在运行东西：-），但总的来说，这种能力确实有助于评估所做的更改<p> 我可以很容易地想象，6号航班将名义上首尾相连，不会造成任何意外损坏。这可能会使他们的一个；巨大的；Starlink的任务是测试货物交付。它还将开始为我们提供一些更好的数字，说明星际飞船可以在轨道上装载多少货物；完全再利用；如果他们想在轨道上为阿尔忒弥斯计划创建一个加油站，这种模式是必不可少的<p> 再次向SpaceX的工程团队致敬，y；一切都很好。

ghc: Nothing could have prepared me for how that catch looked. I was sure the rocket was careening into the tower at the last second before it straightened out. The control algorithms must be incredible for the landing system to work within those small tolerances.

ghc: 没有什么能让我对那次捕获的样子做好准备。我确信火箭在最后一秒就倾斜着撞向了塔楼，然后才直了过来。控制算法必须令人难以置信，着陆系统才能在这些小公差范围内工作。

dmix: Video of the catch<p>> Mechazilla has caught the Super Heavy booster!<p><a href="https://x.com/spacex/status/1845442658397049011" rel="nofollow">https://x.com/spacex/status/1845442658397049011</a>

dmix: 视频捕捉<p>&gt；Mechazilla抓住了超重型助推器<p> <a href=“https:&#x2F；x.com&#x2F；spacex&#x2；status/ 1845442658397049011”rel=“nofollow”>https:&#x2F；x.com；spacex；状态；1845442658397049011</a>

h2odragon: My wife asked "Why is this a big deal?", so I gave her a link to Handmer's 2021 explanation: <a href="https://caseyhandmer.wordpress.com/2021/10/28/starship-is-still-not-understood/" rel="nofollow">https://caseyhandmer.wordpress.com/2021/10/28/starship-is-st...</a><p>She's not an enthusiast; she's got an impression from SciFi that going to mars shouldn't be that hard.

h2odragon: 我妻子问：&quot；为什么这是一件大事&“；，所以我给了她一个Handmer的链接；s 2021解释：<a href=“https:”caseyhandmer.wordpress.com“2021”10“28”星际飞船仍未被理解“”rel=“nofollow”>https:”&#x2F；caseyhandmer.wordpress.com；2021年；10°F；28°F；星际飞船-圣…</a><p>她；他不是一个狂热者；她；我们从SciFi得到的印象是，去火星应该；别那么难。

treespace8: I'm just so happy to see this level of progress. This another big step for opening up space. To think that one day this will be considered normal. 150 Metric tons sent on a fully reusable rocket.<p>Thats like a 747 to space.

treespace8: 我；我很高兴看到这种程度的进步。这是开拓空间的又一大步。认为有一天这会被认为是正常的。150公吨装在完全可重复使用的火箭上<p> 这就像一架飞往太空的747。