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  • Who coined the phrase Rapid Unscheduled Disassembly?
    Usually simply abbreviated as a RUD, and also sometimes expanded as Rapid Unplanned Disassembly, and being a way of understating that a rocket exploded I saw it attributed recently to Elon Musk, but although he has popularized the phrase among the public, when he mentioned it once in a speech I saw he simply said it is how the engineers on the
  • Why did Starship IFT-8 explode again?
    I've seen pictures of it and videos, but I haven't seen anybody explain what happened Img credit All I know is that the first stage returned and was captured properly, but the 2nd stage didn't ac
  • Did the first stage of Vulcan-Centaur explode after separation?
    However, I haven’t seen any mention of it, and most commentators were focusing on the earlier solid rocket issue Was the apparent explosion after first stage separation a nominal event? Did the FTS trigger or maybe the first stage experience a RUD after separation? Here is a clip of what appears to be an explosion
  • Why dont Solar Eclipses take place frequently? [closed]
    A solar eclipse can only occur when two conditions are met: The moon is in its "new moon" phase (aligned with the Sun) The moon is near one of the two points where its orbit crosses the Earth’s orbital plane The reason we don’t get solar eclipses every month is because of the moon's orbit being tilted relative to Earth's orbit Solar eclipses only happen during specific times when the
  • Where are the COPVs on Falcon 9s second stage?
    Data suggests counterintuitive cause " This article mentions "a potential pointer towards the helium pressurization system’s bottles in the Second Stage" or " Composite Overwrap Pressure Vessels " (COPV) Where are these on the upper stage? How likely is it that this could have played a role in the RUD?
  • Comparison of F-1 and RD-170 rocket engines - Space Exploration Stack . . .
    The F-1 was the most powerful single-nozzle engine ever flown and the RD-170 the most powerful multiple-nozzle engine ever flown Both engines use kerosin and LOX The NK-33 was a smaller engine us
  • orbital mechanics - Space Exploration Stack Exchange
    If you go horizontal, in most places you'll hit something hard like a mountain which will slow you down pretty quickly (called lithobreaking in the community) which usually leads to a RUD (Rapid, unscheduled disassembly) of your vehicle
  • What engine-out capabilities does SLS have?
    When the CZ-5 Y2 failed due to a one-engine-out failure (of two center stage engines) at T+346s (center stage separation is at T+500s), it it said that, had the engine held for another 50s, the spacecraft could still have made it to the orbit CZ-5 and SLS are very similar that they are both 1 5-stage and both use LH2 LO2 center stage and center stage both burns for ~500 seconds Considering
  • What does a handover really mean in satellite communications?
    I am working on simulating a satellite constellation and I keep coming across the term quot;handover quot; My general understanding is that a handover is when a ground station switches its connec
  • artificial satellite - how to procure a Launch vehicle for injecting a . . .
    Me and my team are working on sending Cubesats just beyond the Karmann line For which we obviously need a launch vehicle and would like to procure one or if possible build one If any aerospace





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