U.S. Federal Aviation Authority (FAA) certified winglets development Aviation Partners Boeing (APB) Aircraft Boeing 737-800. Conjugate wingtip Split Scimitar Winglet consists of two oppositely directed winglets with scimitar-shaped end fairings . This new invention and first certified APB, the result of five years of work , improves the aerodynamics of the wing over conventional winglets . According to the developer , achieved through winglets fuel economy by 2% ( compared with conventional winglets ) or allows increased payload 737-800 1,100 kg or increase the range of 75 nautical miles. APB also intends to prove that the new winglets improve the stability of the aircraft at low speeds , which will make a change in runway performance sun and reduce takeoff distance in a hot climate and high altitude , as well as with bands having an obstacle in the alignment .
The same winglets APB plans to certify for Boeing 737-700, 800 and 900 , including family Boeing Business Jet. Certified winglets conversion 737-800 aircraft , initially equipped with conjugated wingtips . Until the end of the year will also be certified systems for aircraft without winglets , which require changes in the design of the wing .
The cost of one winglets is 545 thousand dollars According to APB, the company received orders ( including options ) for more than 1460 sets .
Airline became the launch customer for United Airlines, which estimates that one aircraft equipment winglets will save up to 57 thousand gallons ( nearly 216 thousand liters ) of fuel per year . Another U.S. airline , Alaska Airlines, known for his love of innovation and innovation, has ordered 111 sets of winglets for its fleet of Boeing 737NG, each of which , according to the airline , save up to 58 thousand gallons of kerosene per year. Airline estimates that when the entire fleet will be equipped with new winglets , the annual savings in fuel will make up to $ 20 million
Elizabeth Kazachkova
www.ato.ru
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Elizabeth Kazachkova
www.ato.ru
