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Plane geek stuff

Scheduled Pinned Locked Moved The Lounge
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  • R R Giskard Reventlov

    Escape velocity[^] Putting all the pedantism aside, still marvelous achievements.

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    Duncan Edwards Jones
    wrote on last edited by
    #16

    R. Giskard Reventlov wrote:

    Putting all the pedantism pedantry aside,

    :-D

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    • C CodeWraith

      Munchies_Matt wrote:

      velocity

      Munchies_Matt wrote:

      wind vector

      Munchies_Matt wrote:

      direction of travel

      And that's the way the Falcon made the Kessel run in less than 12 parsecs. :-)

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      Lost User
      wrote on last edited by
      #17

      CodeWraith wrote:

      less than 12 parsecs

      It needs to be fast as there aren't any toilets on board. Weirdly enough no spaceships in Star Wars seem to have any conveniences.. :~

      Now is it bad enough that you let somebody else kick your butts without you trying to do it to each other? Now if we're all talking about the same man, and I think we are... it appears he's got a rather growing collection of our bikes.

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      • L Lost User

        CodeWraith wrote:

        less than 12 parsecs

        It needs to be fast as there aren't any toilets on board. Weirdly enough no spaceships in Star Wars seem to have any conveniences.. :~

        Now is it bad enough that you let somebody else kick your butts without you trying to do it to each other? Now if we're all talking about the same man, and I think we are... it appears he's got a rather growing collection of our bikes.

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        CodeWraith
        wrote on last edited by
        #18

        And since a parallax second (parsec) is a unit of length (and not of time), it must be defined as the distance to the nearest toilet. :-)

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        • C CodeWraith

          You need to reach at least 11000 m/sec to reach the moon and a little more if you want to go anywhere in the solar system. Was that really so new to you? That's one of the greatest technical problems, because rockets must burn insane amounts of fuel in a very short time to reach at least the minimum velocity.

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          Mel Padden
          wrote on last edited by
          #19

          Sure I did, I just like it when a random news report makes me remember. I also wasn't aware that there was something atmospheric faster than the X-15, it's been a while since I was totally clued up about this stuff.

          One morning I shot an elephant in my pajamas. How he got in my pajamas, I don't know.

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          • M Munchies_Matt

            "in space without gravity it gets a little easier to go faster" Who writes, and edits, this crap? Gravity? It is wind resistance that is the problem in the atmosphere. Earths gravity extends well out into space!

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            Joan M
            wrote on last edited by
            #20

            Then it's easy... just wait for non windy days... :rolleyes:

            https://www.robotecnik.com freelance robots, PLC and CNC programmer.

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            • C CodeWraith

              And possibly the garish color[^] that your craft gets...

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              Nelek
              wrote on last edited by
              #21

              Is that the new camouflage painting? Or is it that the quote of women in leading positions has reached the military as well? ;P :laugh: :laugh: :laugh: :laugh: :laugh: :laugh: :laugh:

              M.D.V. ;) If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about? Help me to understand what I'm saying, and I'll explain it better to you Rating helpful answers is nice, but saying thanks can be even nicer.

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              • M Mel Padden

                http://edition.cnn.com/videos/tech/2015/06/05/high-speed-strike-weapon-hypersonic-jet-orig.cnn[^] The bit at the end about the fastest manmade objects ever had me geeking out.

                One morning I shot an elephant in my pajamas. How he got in my pajamas, I don't know.

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                Nelek
                wrote on last edited by
                #22

                The theory explained in the book "Limit" is way cooler.

                M.D.V. ;) If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about? Help me to understand what I'm saying, and I'll explain it better to you Rating helpful answers is nice, but saying thanks can be even nicer.

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                • D Duncan Edwards Jones

                  R. Giskard Reventlov wrote:

                  Putting all the pedantism pedantry aside,

                  :-D

                  R Offline
                  R Offline
                  R Giskard Reventlov
                  wrote on last edited by
                  #23

                  Duncan Edwards Jones wrote:

                  Putting all the pedantism pedantry aside,

                  pedantism - definition of pedantism in English | Oxford Dictionaries[^] :-D :-D

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                  • M Mel Padden

                    http://edition.cnn.com/videos/tech/2015/06/05/high-speed-strike-weapon-hypersonic-jet-orig.cnn[^] The bit at the end about the fastest manmade objects ever had me geeking out.

                    One morning I shot an elephant in my pajamas. How he got in my pajamas, I don't know.

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                    W Offline
                    W Balboos GHB
                    wrote on last edited by
                    #24

                    The narrator got it a bit wrong about why it's easier to go faster in space. Sure, gravity, as he claims, would be an obstacle IF one were opposing it, but the real hero (or lack thereof) is that there's no atmosphere to (1) slow the vehicle down, and (2) heat the vehicle up. It would go even slower under water . . .

                    Ravings en masse^

                    "The difference between genius and stupidity is that genius has its limits." - Albert Einstein

                    "If you are searching for perfection in others, then you seek disappointment. If you are seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010

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                    • N Nelek

                      Is that the new camouflage painting? Or is it that the quote of women in leading positions has reached the military as well? ;P :laugh: :laugh: :laugh: :laugh: :laugh: :laugh: :laugh:

                      M.D.V. ;) If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about? Help me to understand what I'm saying, and I'll explain it better to you Rating helpful answers is nice, but saying thanks can be even nicer.

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                      CodeWraith
                      wrote on last edited by
                      #25

                      No, that's a X-15 covered with ablative heat protection, most probably before the flight.

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                      • R R Giskard Reventlov

                        Escape velocity[^] Putting all the pedantism aside, still marvelous achievements.

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                        Munchies_Matt
                        wrote on last edited by
                        #26

                        18,000 mph if memory serves me correctly. Puts a bit of wind into perspective eh? :)

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                        • F F ES Sitecore

                          Just do it when there is no wind. Can't believe NASA hasn't thought of this. Oh wait....maybe it's air resistance that's the problem, not wind resistance... :)

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                          Munchies_Matt
                          wrote on last edited by
                          #27

                          air+velocity=wind HOw fast is a rocket going? :)

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                          • J Joan M

                            Then it's easy... just wait for non windy days... :rolleyes:

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                            Munchies_Matt
                            wrote on last edited by
                            #28

                            air doesnt have any resistance until it has velocity relative to the object whereupon it is wind. ;P

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                            • M Mel Padden

                              Sure I did, I just like it when a random news report makes me remember. I also wasn't aware that there was something atmospheric faster than the X-15, it's been a while since I was totally clued up about this stuff.

                              One morning I shot an elephant in my pajamas. How he got in my pajamas, I don't know.

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                              CodeWraith
                              wrote on last edited by
                              #29

                              For example, I also never saw this[^] before, if we are already looking at the X-15.

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                              • M Munchies_Matt

                                18,000 mph if memory serves me correctly. Puts a bit of wind into perspective eh? :)

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                                Daniel Pfeffer
                                wrote on last edited by
                                #30

                                Escape velocity at the Earth's surface is about 11.2 km/sec, which is 40,320 km/hr, which is 25,200 mph.

                                If you have an important point to make, don't try to be subtle or clever. Use a pile driver. Hit the point once. Then come back and hit it again. Then hit it a third time - a tremendous whack. --Winston Churchill

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                                • M Munchies_Matt

                                  air+velocity=wind HOw fast is a rocket going? :)

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                                  F ES Sitecore
                                  wrote on last edited by
                                  #31

                                  Munchies_Matt wrote:

                                  air+velocity=wind

                                  It's wind if it's the *air* that has velocity, not an object moving through it.

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                                  • D Daniel Pfeffer

                                    Escape velocity at the Earth's surface is about 11.2 km/sec, which is 40,320 km/hr, which is 25,200 mph.

                                    If you have an important point to make, don't try to be subtle or clever. Use a pile driver. Hit the point once. Then come back and hit it again. Then hit it a third time - a tremendous whack. --Winston Churchill

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                                    R Offline
                                    R Giskard Reventlov
                                    wrote on last edited by
                                    #32

                                    Gravitational Escape Velocity with Saturn V Rocket by Ron Kurtus - Physics Lessons: School for Champions[^]

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                                    • F F ES Sitecore

                                      Munchies_Matt wrote:

                                      air+velocity=wind

                                      It's wind if it's the *air* that has velocity, not an object moving through it.

                                      M Offline
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                                      Munchies_Matt
                                      wrote on last edited by
                                      #33

                                      I see, this is your deffinition of wind is it? What do you call a windscreen then? :laugh:

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                                      • M Munchies_Matt

                                        I see, this is your deffinition of wind is it? What do you call a windscreen then? :laugh:

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                                        F ES Sitecore
                                        wrote on last edited by
                                        #34

                                        If you get your scientific knowledge from badly-named items then it's just as well you don't work at NASA. What kind of food stuff is a peanut? A strawberry? What's your pencil lead made from? What's tin foil made from? What kind of animal is a koala bear? What kind of animal is a horned toad? Where was Chinese checkers invented?

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                                        • M Mel Padden

                                          http://edition.cnn.com/videos/tech/2015/06/05/high-speed-strike-weapon-hypersonic-jet-orig.cnn[^] The bit at the end about the fastest manmade objects ever had me geeking out.

                                          One morning I shot an elephant in my pajamas. How he got in my pajamas, I don't know.

                                          J Offline
                                          J Offline
                                          jeron1
                                          wrote on last edited by
                                          #35

                                          Just goes to show how far ahead of its time the SR-71 was.

                                          "the debugger doesn't tell me anything because this code compiles just fine" - random QA comment "Facebook is where you tell lies to your friends. Twitter is where you tell the truth to strangers." - chriselst "I don't drink any more... then again, I don't drink any less." - Mike Mullikins uncle

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