Corkscrew will be defeated. The unique development of Russian engineers

Ultra-light aircraft (WSL) multi-choice for its intended purpose. They can be used in agriculture and forestry, for photo video in topographical order. They are taken in service with many well-known special forces. ALS is used in Uzbekistan, Tajikistan and Turkmenistan to fight drug traffickers and the army to adjust the fire, conducting reconnaissance in daylight and at night, as well as to conduct sabotage. All these are good aircraft, but they have one very dangerous flaw — a stall in shtopor.Gruppa Russian engineers managed to avoid this terrible danger and has developed an optimal aerodynamic design for ALS, which virtually eliminates the stall into a tailspin. This scheme is called "feathered duck" or a plane with the so-called "feathered canards" (FPGO).

Corkscrew will be defeated.  The unique development of Russian engineers
 Photo source:arms-expo.ru

In addition, FPGO possible to solve more and more aspects of sustainability in the air flying machines. The fact is that the so-called "classical" aerodynamic design, in which design and build today almost all aircraft, including military and passenger aircraft, has long exhausted the reserves of its development. Its main advantage is positive that the rear-mounted horizontal tail (HT) allows you to easily provide the longitudinal static stability of the aircraft at high angles of attack, which is important for the safety of the flight, as the disruption of the flow of air to the off-design flight conditions occurs primarily on the wing . But we then get a big toll on balance, that adversely affects the flight characteristics of the aircraft. The only way out to avoid these losses is the layout of the aircraft with canards (GTO), but not easy, but with a feather (FPGO). It is this aerodynamic design will ensure flight safety and high performance characteristics of ultra-light aircraft, light and administrative aviation. Moreover, it allows to realize high performance aircraft antishtopornye. Thanks FPGO themselves, with little or no intervention pilot will be able to get out of the corkscrew.

Corkscrew will be defeated.  The unique development of Russian engineers
 Photo source:arms-expo.ru

One of the authors of this scheme was the chief engineer and designer of OKB "Star" of the "Corporation" Tactical Missiles "(Korolev) Alex Yurkonenko. It was he who in 2001 — 2002 years. conducted a series of experiments with cord model airplanes, compiled on the "feathered duck", and then built a single-seater ultralight tubular Yuan-1 FPGO, which, unfortunately, for some reason could not fly. However, the second plane Yuan-2 flew in 2007 Surveys Alexei Yurkonenko received international recognition. Also in 2007, he became the owner of the Eurasian patent for the invention of "winged aircraft with horizontal tail feather." The designer designed a high-speed two-seater with a "superform" Yuan-4 «QuickBird», is developing a two-seat Yuan-5 «SkyWizard».

Corkscrew will be defeated.  The unique development of Russian engineers
 Photo source:arms-expo.ru

Finding funds to continue the work forced to participate in competitions. The first major victory came in December 2004 when we managed to get a grant fund Bortnick (300 thous.), Which receives a portion of almost one and a half years. With that money was built prototype microplane Yuan-2 «Sky Dweller», who in the spring of 2007 managed to tear off the ground, and in August of the same year set at the MAKS-2007. Team changed people came and went managers. The team of designers have learned to survive in a difficult economic environment, to really appreciate and respect the people and their selfless dedication. She gained invaluable experience in designing microplanes with unique technological features that, in turn, taught consideration for each assembly operation. Minimal assembly cycle — the trump card in the competition. Collect such devices is nice and simple: in front of a pile of parts and aluminum box turns into a solid, easy bird.

Given this, the designer has drafted such an inexpensive and safe aircraft. They became the six-Yuan-7 «BusinessFighter». He will be able to fly at a distance of four thousand miles at an altitude of 13-15 km at a speed of Mach 0.6-0.7. Alexei Yurkonenko sure that the use of "feathered duck" and a large aircraft will significantly increase the efficiency of the use of heavy aircraft, equipped with a powerful mechanized wing.

A little history canards (PGO) Aircraft with canards emerged at the dawn of aviation. They were the Wright brothers' aircraft, Farman, Russian designer Dokuchaeva and other aviation pioneers. Interesting story and the MiG-8 "duck" (Y), an experimental aircraft built in the Mikoyan design bureau. It was designed to test the stability and controllability of a "duck" in the air and working-swept wing. Mounted on the MiG-8 pusher propeller gave the opportunity to test handling at low speeds, without blowing the wing screw. In addition, the tests allowed to study the controllability of the airplane on the ground, as well as issues of take-off and landing (set to the second round) in the absence of a screw blower controls. It is further possible to use the results obtained when designing fighter aircraft with jet engines. The first flights in 1945, performed by test pilots AI Grinchik and AI Beetles. PGO had passenger aircraft Tu-144 and fighter jets Su-30MK, Su-33, Su-32FN, as well as a number of foreign military aircraft.

Corkscrew will be defeated.  The unique development of Russian engineers
 Photo source:arms-expo.ru

The story of "Yuan aircraft». Officially, the Scientific and Production Company "Yuan aircraft» was created in 2010, but the action of a small group began in late 2001 when a group of enthusiasts to the test cord models of aircraft, arranged on the aerodynamic configuration "feathered duck." April 13, 2002 in suburban queen after many failed attempts and dovodok was raised one of the models in the air. Since April 13 is the "brand" holiday. Tests confirmed the excellent work feathered canards it possible to determine the permissible limits of its massoinertsionnyh and aerodynamic parameters. Using this data, in 2003 the team began to build a manned "feathered duck" — the first version of the aircraft Yuan-1 «Sky Rebel».

Corkscrew will be defeated.  The unique development of Russian engineers
 Photo source:arms-expo.ru

To summarize the above, it can be concluded that the use of feathered canards (FPGO) on aircraft ultralight aircraft — provides them with a high level of safety. "Feathered duck" will be widely used in the private jet aviation.

This class aircraft appeared long ago, but the demand for these aircraft has increased significantly only in our days. The ability to cre
ate such aircraft without extensive use of automatic control systems, but have absolute antispin resistance through the use of schemes feathered canards will certainly enhance the scope of their respective owners.

Corkscrew will be defeated.  The unique development of Russian engineers
 Photo source:arms-expo.ru

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