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Everything posted by DDE
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For Questions That Don't Merit Their Own Thread
DDE replied to Skyler4856's topic in Science & Spaceflight
Apparently, the Royal Navy ended up with some Windows-based torpedo fire control systems in the 2000s. As to state-sponsored hacking, the Equation Group registered some of their servers in 1996, and Kaspersky imply they’ve seen a Regin sample dated 1999. -
I’m not terribly sure. It’s not very much unlike the SLS in its nature - suited for specific, rather exotic missions, but also very conservative and limited in its capabilities. It will at best mitigate it.
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Europe’s ATVs have names, as did all of Apollos. Reusability isn’t even a requirement for that.
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For Questions That Don't Merit Their Own Thread
DDE replied to Skyler4856's topic in Science & Spaceflight
Yeah, and pigs can fly! -
For Questions That Don't Merit Their Own Thread
DDE replied to Skyler4856's topic in Science & Spaceflight
Please. While it IS possible land nearly anything on a carrier if you're willing to have no payload and cease all other operations on deck... ...dedicated carrier aircraft receive massive enhancements for improved low-speed handling, about 30% more structural mass, and, most obviously, a tail hook. Note that these exotic landings and takeoffs use the entire length of the aircraft carrier... which is not how you go about deploying and recovering 90 or so combat aircraft. -
For Questions That Don't Merit Their Own Thread
DDE replied to Skyler4856's topic in Science & Spaceflight
I’d say they set a very short bar. -
For Questions That Don't Merit Their Own Thread
DDE replied to Skyler4856's topic in Science & Spaceflight
Well, it is, which leads to a lighter weapons and fuel load all else being equal. Even catapults are of limited help. -
What pi day? Today is the International Day of Action for the Seals. At least it already is in our part of the world.
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How to shock the laymen? ”This rocket is TOO safe”.
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totm dec 2019 Russian Launch and Mission Thread
DDE replied to tater's topic in Science & Spaceflight
Rogozin hints at using we-know-whose American ships for cosmonaut flights, and visa versa... after they get “certified”. Uh-hm. https://www.kommersant.ru/doc/3910211 Time to see how much mud can be raked up by a participant in the ISS Treaty. -
That’s a nice Zond you have there.
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Yes, but we’re way past the point where that would yeild the expected benefit - namely, using RS-68s in the core. They should have never man-rated the SLS.
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For Questions That Don't Merit Their Own Thread
DDE replied to Skyler4856's topic in Science & Spaceflight
You’d tow an asteroid into geostationary orbit, and ise it as a counterweight. Significant reinforcement of the overall structure. Folding wings. Landing tailhook, modifications to the nose gear for the catapult system. Hardening against salt water corrosion. None of these negatively impact operation from conventional airstrips, they’re merely excessive. I understand that the most recent MiG-29 upgrade was built from the groundhp as a two-seat carrier aircraft, and then the airframe would be downgraded from there (e.g. replace copilot with fuel tank). -
It’s cheaper, and it’s low-risk. The need for rendezvous and docking either imposes a certain overhead of mass, or requires a rather specific supporting platform. You’re forgetting that it was rather... handy.
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totm dec 2019 Russian Launch and Mission Thread
DDE replied to tater's topic in Science & Spaceflight
Google.exe has attempted to access laugh.dll and stopped working. Please reboot system. -
totm dec 2019 Russian Launch and Mission Thread
DDE replied to tater's topic in Science & Spaceflight
I honestly don’t think Roscosmos understand the concept. If Musk were motivated by profit, he’d be embezzling from his own business... wait, can a person even own their business yet be more than a shopkeeper? Does not compute. While the more business-minded state companies attract the more capitalist-minded individuals with their stability and relative generosity, even there politics, whether international or interdepartmental, and often personal enrichment, matter far more than profits of the overall organization. Now imagine how that works in an organization staffed largely with economic illiterates born under socialism and taught that evil capitalists aren’t in it for the profit but UNLIMITED POWER... Suffice it to say, the world looks rather different to them. -
For Questions That Don't Merit Their Own Thread
DDE replied to Skyler4856's topic in Science & Spaceflight
Does sustaining a static magnetic field require energy input? Specificallu, how much battery power do I need to keep an electromagnet active? -
I can see why a person like myself, jaded by default, would be skeptical of the comic book hero on the right.
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That’s not how NASA rolls. They ordered the SLS, not an SLS-class booster. Otherwise Energiya (the company) would have responded to their RFPs, even if in jest.
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Also, LOL.
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Something tells me that NASA might pull an “unused boosters only” on this one. I’m more interested how much trouble it is to develop a kerolox third stage for the Falcon. It’s a lot of bother integrating any of the available hydrolox options with it. Plus launching it essentially empty may be trouble for stage recivery, given higher separation velocity.
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What can a scientist in my Star Wars fan fic be working on?
DDE replied to Maximum7's topic in The Lounge
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China doesn’t have a problem. Nor would a commercial venture. Nor does the Gateway, BTW.
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*laughs in Yenisei* How much of the old SLC-6 is left?
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totm dec 2019 Russian Launch and Mission Thread
DDE replied to tater's topic in Science & Spaceflight
So, SpaceX DOES NOT show that reuse works well and that the Falcon isn’t another Shuttle. And even if they did undercut the market price, Roscosmos would just accuse him of selling at a loss thanks to Pentagon subsidies on his natsec launches. As they already do.