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LostCosmonaut

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LostCosmonaut last won the day on March 17

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About LostCosmonaut

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    Intensive Porpoises
  • Birthday 12/02/1991

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  1. LostCosmonaut

    AFV Coax Thread

    The Strv 2000 proposal had a "coax" 40mm gun, although that doesn't count 100% since the main gun was designed exclusively for use against vehicle targets (the autoloader was designed to only feed APFSDS rounds for simplicity).
  2. LostCosmonaut

    Bears can be total assholes. And other bear related news

    You could almost say these people are ... bearrorists.
  3. LostCosmonaut

    Egregious Aviation Safety Violations

    To elaborate, the engine nacelles are supposed to be rated to contain errant fan blades. They are not, however, rated to contain larger, heavier debris, such as large portions of turbines. Like that chunk on the right. Designing the nacelles to contain them would make them obscenely heavy. (On another website I once saw somebody argue that the DC-10 should never have been given an airworthiness certificate because the nacelles didn't contain the broken turbine on United 232 (that's it above).)
  4. LostCosmonaut

    Egregious Aviation Safety Violations

    A Southwest 737 suffered an uncontained engine failure, one dead; https://www.cbsnews.com/news/southwest-airlines-flight-emergency-landing-today-2018-04-17-live-stream-updates/
  5. LostCosmonaut

    The Space Exploration Achievements Thread

    I'm guessing everyone has heard about the SpaceX party balloon by now; A lot of people (at least in parts of the internet that I frequent) did think he was crazy; Thing is, it's not actually that stupid of an idea. NASA has looked at the idea; https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20030106138.pdf And their analysis shows that a ballute can save a lot of mass when used for aerocapture from interplanetary trajectories. The second stage will be reentering from LEO, at a significantly lower velocity. The second stage already has a pretty low ballistic coefficient, so I'd guess it sheds a bunch of energy in the upper atmosphere. Adding the ballute/party balloon will let it dump even more energy high up. Also, by massively increasing the surface area, the heat flux per unit area goes down, which gets to the real reason why Musk is probably doing this; to avoid sticking a heat shield on the second stage. (There isn't really a great place to put one anyway.) Presumably, at a low speed / altitude, the second stage will ditch the party balloon and deploy regular parachutes. A re-entry capable balloon won't be cheap, but it should be a lot less expensive than a whole second stage. Bonus scene from 2010
  6. small brain: republican president killing people is good expanding brain: killing people is bad galactic brain: obama drone strikes
  7. Something people on both sides of the aisle can laugh at;
  8. Nate Banned! Along with Harvey, Irma, and Maria.
  9. Whoever wrote this article seems to have a misguided impression of how the M7 was used; https://dailygazette.com/article/2018/04/09/m7-day-75th-anniversary-of-schenectady-s-wartime-celebration
  10. LostCosmonaut

    United States Gun Control Megathread

    The Venn diagram of people who think cops are racist and that you should just call the cops and passively wait if you are in a dangerous situation is probably a fucking circle. (Also, half of those people would probably call the cops if they saw a brown person anywhere near their McMansion)
  11. LostCosmonaut

    United States Gun Control Megathread

    IIRC the NRA back then was more about gun safety and hunting/rifle clubs. Usually when you hear "keeping guns away from black people brought up" it's regarding California restricting open carry after seeing Black Panthers walking around with rifles. Since this was done while Reagan was governor, it often gets linked to modern Republicans/conservatives. (imo the Mulford Act was a dumb overreaction)
  12. LostCosmonaut

    Terror Attacks and Active Shooter Events Thread

    NBC reports suspected shooter is dead; https://www.nbcnews.com/news/us-news/police-respond-active-shooter-youtube-headquarters-san-bruno-california-n862541
  13. LostCosmonaut

    Aerospace Documents Collection Point

    Human Missions to Mars (ESA Report)
  14. LostCosmonaut

    Aerospace Documents Collection Point

    Evolution of Air Target Warheads
  15. This sort of looks like a more aerodynamics-focused KSP
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