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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

    Railguns

    Edit: already posted here
  2. LostCosmonaut

    Aerospace Documents Collection Point

    Lunar Escape Systems Feasibility Study
  3. LostCosmonaut

    General Naval Warfare News/Technology thread.

    From one of the articles Why the fuck would you put that shit on the unclassified network. You fucking idiots.
  4. LostCosmonaut

    Aerospace and Ordnance discussion/news.

    Air Force has grounded the B-1B after ejection seat problems; https://www.airforcetimes.com/news/your-air-force/2018/06/08/air-force-b-1b-bombers-grounded-after-a-problem-with-its-ejection-seats/ Crew tried to eject, but the seats did not fire.
  5. LostCosmonaut

    The SH Ski/Snowboard Thread

    The homogenization of skiing continues; http://news.vailresorts.com/corporate/vailresorts/tpsp.htm#.WxU4tR-mnp0.facebook
  6. LostCosmonaut

    Aerospace Documents Collection Point

    Fluorine and Fluorine-Oxygen Mixtures in Rocket Systems Rocket Engines from the Glushko Design Bureau Aerodynamics of Powerplant Installation
  7. LostCosmonaut

    Aerospace Documents Collection Point

    Pentaborane A Study of Pentaborane
  8. In case you weren't already aware, hurricane season started early. https://www.nhc.noaa.gov/text/refresh/MIATCUAT1+shtml/280006.shtml I don't know off the top of my head, but preseason hurricanes are pretty rare. Only one I remember without more research is Alex in 2016, and that was in January.
  9. LostCosmonaut

    Arianespace CEO Yells at Cloud

    I also want Arianespace to stay in existence, because as you said, more competition is good, and Europe has done a lot of good in space, especially in the scientific arena. It's a shame their CEO seems determined not to do that. They probably did a quick calculation and determined it would be more expensive for them, without taking into account all the vertical integration SpaceX has, and that Falcon 9 has been designed for reusability from the outset. I'm sure if you tried jury-rig a stock Ariane 5 for reuse it'd be expensive as hell. Or, his brain is damaged from all the fluoride Jeff Bezos is putting in his water.
  10. LostCosmonaut

    Arianespace CEO Yells at Cloud

    I also want Arianespace to stay in existence, because as you said, more competition is good, and Europe has done a lot of good in space, especially in the scientific arena. It's a shame their CEO seems determined not to do that.
  11. LostCosmonaut

    Arianespace CEO Yells at Cloud

    Put this in its own topic instead of the space thread because it deserves its own discussion, and is darkly hilarious. SpaceX and its low launch costs for the Falcon 9 have already been squeezing Russian launch providers and ULA out of the market. This will only get worse if the Block 5 Falcon 9 provides the advances in reusability that are promised (and if BFR lives up to Elon's dreams it will blow everything out of the water). European launch provider Arianespace has been feeling the heat too; their Ariane 5 is a reliable but dated (compared to Falcon) architecture, and the Ariane 6 is an incremental improvement at best, which lacks reusability (and uses a hydrolox/solid first stage for some reason). The major German publication Der Spiegel recently interviewed Alain Charmeau, the head of Arianespace; http://www.spiegel.de/wissenschaft/technik/alain-charmeau-die-amerikaner-wollen-europa-aus-dem-weltraum-kicken-a-1207322.html An English summary/discussion can be found here; https://arstechnica.com/science/2018/05/ariane-chief-seems-frustrated-with-spacex-for-driving-down-launch-costs/ There are some choice quotes in that article; Still cheaper than ULA. Also, US government payloads have more oversight/stricter requirements than commercial payloads, which drives up costs. About two sentences later he admits that Arianespace couldn't exist without subsidies from European governments. Next part; Obviously Elon Musk thinks it is, otherwise he wouldn't be telling his for-profit business to develop reusability. Also, considering that Falcon 9 (especially Block 5) isn't an utterly ridiculous architecture like STS, it's certainly cheaper to reuse. Here's the real money quote; "My subsidized jobs program can't compete with SpaceX because they get government contracts!" Still better than SLS though. Also, Blue Origin is going to steal your identity;
  12. LostCosmonaut

    Aerospace Pictures and Art Thread

  13. LostCosmonaut

    Random Space Exploration Dump Thread

    Yet another data point for Planet Nine; https://arxiv.org/abs/1805.05355
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