Загадка - що е това?

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  • centara
    MiG Killer
    • Jan 2005
    • 446

    #211
    bigbeer написа
    По тази схема вече прилича на това http://en.wikipedia.org/wiki/Yakovlev_Yak-30_%281948%29 Но пък няма оребряване на крилете,каквото виждаме на снимката на Я-ка.
    Убягва ти ключовият елемент в загадката
    If you believe everything you read, better not read.
    Japanese Proverb

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    • bigbeer
      махмурлия
      • May 2007
      • 1335

      #212
      Това,че напречното сечение на крилете в основата си е по-тънко отколкото в края и затова колесника се прибира навън(не по -посока на тялото) ? хмммм Е въпроса тука е "на кого му е притрябвало подобно решение и с каква цел ?"

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      • fokker
        -
        • Dec 2009
        • 19

        #213
        Не знам за вас ,но ми прави впечатление че колесника се сгъва на навън и досата дълеч от тялото!

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        • fokker
          -
          • Dec 2009
          • 19

          #214
          А при Як-а това го няма.

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          • 1951
            Airman
            • Aug 2006
            • 2910

            #215
            XF-91 Thunderceptor.



            Какво крило, а?
            Peace Through Strength -- Victory Through Devastation

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            • centara
              MiG Killer
              • Jan 2005
              • 446

              #216
              Айдеее
              Наградата отиде при 1951
              If you believe everything you read, better not read.
              Japanese Proverb

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              • bigbeer
                махмурлия
                • May 2007
                • 1335

                #217
                Ахаа ето къде бил ключа за бараката

                performance at low speeds and high angle of attack. The stagnant airflow over the wing tended to "slide" towards the wingtips, which caused them to stall before the rest of the wing at high angles of attack. In this situation the center of lift would rapidly shift forward relative to the center of mass, pitching the nose up and leading to an even greater angle of attack or, in extreme cases, end-over-end tumbling of the aircraft. Planes caught in this regime would often stall and crash, and a rash of such accidents on the F-86 Sabre led to the term Sabre dance. The most famous incident was the loss of F-100C-20-NA Super Sabre 54-1907 during an attempted emergency landing at Edwards AFB, California on 10 January 1956 which was caught by film cameras set up for an unrelated test. The pilot fought to retain control as he rode the knife-edge of the flight envelope but fell off on one wing, hit the ground and exploded with fatal results.

                The Thunderceptor's most notable design feature was intended to address this problem. The wings were built to have considerably more chord (distance from front to back) at the tip than root, allowing them to generate more lift. This neatly addressed the problem of Sabre dance by delaying the point of stall on the tip to that of the entire wing. A side effect of this design was that the tips had more internal room, so the landing gear was mounted to retract outward with the wheels lying in the wingtips, using two small tires instead of one larger one. Another design change was the ability to vary the angle of incidence of the wing as a whole, tilting it up for low speed operations during takeoff and landing, and then "leveling it off" for high-speed flight and cruise. This allowed the fuselage to remain closer to level while landing, greatly improving visibility.

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                • piko1
                  ДветеРацеМуПречат
                  • Jul 2004
                  • 196

                  #218
                  хайде и аз да се присъединя към загадките
                  Attached Files
                  Last edited by piko1; 26-01-2010, 04:32.

                  Comment

                  • centara
                    MiG Killer
                    • Jan 2005
                    • 446

                    #219
                    Имам усещането, че си прекалил с фотошопа Доста детайли не се връзват и май се опитваш да ни пратиш за зелен хайвер.
                    Last edited by centara; 26-01-2010, 10:29.
                    If you believe everything you read, better not read.
                    Japanese Proverb

                    Comment

                    • piko1
                      ДветеРацеМуПречат
                      • Jul 2004
                      • 196

                      #220
                      няма зелен хайвер няма фотошоп

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                      • Thorn
                        ветеран
                        • Aug 2005
                        • 7760

                        #221
                        Т`ва Лави ли е?


                        thorn

                        Средновековните църкви в България

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                        • piko1
                          ДветеРацеМуПречат
                          • Jul 2004
                          • 196

                          #222
                          кое е това ? целият самолет е ако това питаш

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                          • gollum
                            фрогландец на вестконинска служба
                            • Jan 2003
                            • 22550

                            #223
                            Аз не разбирам от реактивни самолети, но това не е ли "Мираж" Ф1? Или някаква вариация по тая тема.

                            Comment

                            • piko1
                              ДветеРацеМуПречат
                              • Jul 2004
                              • 196

                              #224
                              много студено не е мираж нито е вариация на темата

                              Comment

                              • Thorn
                                ветеран
                                • Aug 2005
                                • 7760

                                #225
                                Питах дали не е снимка на израелския изтребител Лави - потенциален, но заклан конкурент на F-16?


                                thorn

                                Средновековните църкви в България

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