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Tu-334
The Tupolev Tu-334 (russian: Туполев Ту-334) was a Russian Short haul, short-to-medium range airliner project that was developed to replace the ageing Tupolev Tu-134, Tu-134s and Yak-42s in service around the world. The airframe was based on a shortened Tupolev Tu-204, Tu-204 fuselage and a scaled-down version of that aircraft's wing. Unlike the Tu-204, however, the Tu-334 has a T-tail and engines mounted on the sides of the rear fuselage instead of under the wings. With the nationalisation of the Russian aircraft companies in 2009 to form United Aircraft Corporation it was decided not to continue with the programme. Development The Tupolev Design Bureau introduced the Tu-334 in early 1989 as an eventual propfan-powered airliner to potentially enter service for Aeroflot in 1995. However, it would have an interim turbofan-powered version that would begin airline service around 1991–1992. Consuming about 20 percent less fuel than the best Soviet turbofan, the propfa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Progress D-436
The Progress D-436 is a Turbofan#Three-spool, three-shaft high by-pass turbofan, turbofan engine developed by the Ukrainian company Ivchenko-Progress, and manufactured by Motor Sich in Ukraine. It was initially developed to meet the requirements for late versions of the Yakovlev Yak-42 and the Antonov An-72 in the 1980s. The engine first ran in 1985 and was subsequently certified in 1987. Several variants have been developed and are currently in service with a variety of aircraft. Design and development The D-436 engine was developed as a follow on to the Lotarev D-36. The engine took several of its design features from that engine and another Progress engine, the Ivchenko-Progress D-18, Progress D-18. The D-436 incorporated an updated, higher RPM fan, a lower emissions combustor, and new compressor sections. Several variants of the engine incorporate a FADEC. The Motor-Sich plant in Zaporozhie, where the assembly line for D-436 engines was located, was destroyed by Russian for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Progress D-27
The Progress D-27 is a three-shaft propfan engine developed by Ivchenko Progress. The gas generator was designed using experience from the Lotarev D-36 turbofan. The D-27 engine was designed to power more-efficient passenger aircraft such as the abandoned Yakovlev Yak-46 project, and it was chosen for the Antonov An-70 military transport aircraft. As of 2019, the D-27 is the only contra-rotating propfan engine to enter service. Design and development The engine was launched in 1985 by the Ivchenko-Progress Design Bureau for commercial and military transport aircraft. It was designed to meet the expected growth in demand for new aero engines for civil and military applications. It has a take-off rating of for the Antonov An-70. Gunston lists ratings between for the engine. In 1990, the D-27 engine was proposed for the 150-162 seat Yakovlev Yak-46 airliner. This twin-engined derivative of the three-engine Yakovlev Yak-42 would mount the two D-27 engines on the rear fuselage. A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tupolev Design Bureau
Tupolev (russian: Ту́полев, ), officially Joint Stock Company Tupolev, is a Russian aerospace and defence company headquartered in Basmanny District, Moscow. Tupolev is successor to the Soviet Tupolev Design Bureau (OKB-156, design office prefix ''Tu'') founded in 1922 by aerospace pioneer and engineer Andrei Tupolev, who led the company for 50 years until his death in 1972. Tupolev has designed over 100 models of civilian and military aircraft and produced more than 18,000 aircraft for Russia, the Soviet Union and the Eastern Bloc since its founding, and celebrated its 90th anniversary on 22 October 2012. Tupolev is involved in numerous aerospace and defence sectors including development, manufacturing, and overhaul for both civil and military aerospace products such as aircraft and weapons systems, and also missile and naval aviation technologies. In 2006, Tupolev became a Division (business), division of the United Aircraft Corporation in a merger with Mikoyan, Ilyus ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tupolev Tu 334 At MAKS 2007
Tupolev (russian: Ту́полев, ), officially Joint Stock Company Tupolev, is a Russian aerospace and defence company headquartered in Basmanny District, Moscow. Tupolev is successor to the Soviet Tupolev Design Bureau (OKB-156, design office prefix ''Tu'') founded in 1922 by aerospace pioneer and engineer Andrei Tupolev, who led the company for 50 years until his death in 1972. Tupolev has designed over 100 models of civilian and military aircraft and produced more than 18,000 aircraft for Russia, the Soviet Union and the Eastern Bloc since its founding, and celebrated its 90th anniversary on 22 October 2012. Tupolev is involved in numerous aerospace and defence sectors including development, manufacturing, and overhaul for both civil and military aerospace products such as aircraft and weapons systems, and also missile and naval aviation technologies. In 2006, Tupolev became a division of the United Aircraft Corporation in a merger with Mikoyan, Ilyushin, Irkut, Sukhoi, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tupolev Tu-204
The Tupolev Tu-204 (russian: Туполев Ту-204) is a twin-engined medium-range narrow-body jet airliner capable of carrying 210 passengers, designed by Tupolev and produced by Aviastar-SP and Kazan Aircraft Production Association. First introduced in 1989, it was intended to be broadly equivalent to the Boeing 757, with slightly lower range and payload, and had competitive performance and fuel efficiency in its class. It was developed for Aeroflot as a replacement for the medium-range Tupolev Tu-154 trijet. The latest version, with significant upgrades and improvements, is the Tu-204SM, which made its maiden flight on 29 December 2010. In April 2022, United Aircraft Corporation (UAC) announced plans to assemble 70 Tu-214s by 2030 Design and development The Tu-204 was designed as a family of aircraft incorporating passenger, cargo, combi and quick-change variants. It is powered by either two Aviadvigatel PS-90 or Rolls-Royce RB211 engines. The Tu-204 is produced at two o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Propfan
A propfan, also called an open rotor engine, or unducted fan (as opposed to a ducted fan), is a type of aircraft engine related in concept to both the turboprop and turbofan, but distinct from both. The design is intended to offer the speed and performance of a turbofan, with the fuel economy of a turboprop. A propfan is typically designed with a large number of short, highly twisted blades, similar to the (ducted) fan in a turbofan engine. For this reason, the propfan has been variously described as an "unducted fan" (UDF) or an "ultra-high-bypass (UHB) turbofan." Definition In the 1970s, Hamilton Standard described its propfan as "a small diameter, highly loaded multiple bladed variable pitch propulsor having swept blades with thin advanced airfoil sections, integrated with a nacelle contoured to retard the airflow through the blades thereby reducing compressibility losses and designed to operate with a turbine engine and using a single stage reduction gear resulting i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Narrow-body Aircraft
A narrow-body aircraft or single-aisle aircraft is an airliner arranged along a single aisle, permitting up to 6-abreast seating in a cabin less than in width. In contrast, a wide-body aircraft is a larger airliner usually configured with multiple aisles and a fuselage diameter of more than , allowing at least seven-abreast seating and often more travel classes. Market Historically, beginning in the late 1960s and continuing through the 1990s, twin engine narrow-body aircraft, such as the Boeing 737 Classic, McDonnell-Douglas MD-80 and Airbus A320 were primarily employed in short to medium-haul markets requiring neither the range nor the passenger-carrying capacity of that period's wide-body aircraft. The re-engined B737 MAX and A320neo jets offer 500 miles more range, allowing them to operate the 3,000 miles transatlantic flights between the eastern U.S. and Western Europe, previously dominated by wide-body aircraft. Norwegian Air Shuttle, JetBlue Airways and TAP Portugal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cebu Pacific
Cebu Air, Inc., operating as Cebu Pacific (), is a low-cost airline of the Philippines. Founded in 1988, it is Asia's oldest low-cost airline. It offers scheduled flights to both domestic and international destinations. The airline operates flights from a primary hub in Manila, two secondary hubs in Cebu and Davao, and five focus cities in Cagayan de Oro, Clark, Iloilo, Kalibo, and Zamboanga. History Foundation and growth (1988–2006) The airline was established on August 26, 1988. Republic Act No. 7151, which grants a legislative franchise to Cebu Air, Inc. to operate was approved on August 30, 1991. It started operations on March 8, 1996, with its first flight from Manila to Cebu. Domestic services commenced following market deregulation by the Philippine government. The airline was subsequently acquired by JG Summit Holdings, which was at the time, owned by John Gokongwei. It temporarily ceased operations in February 1998 after being grounded by the government due t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geared
A gear is a rotating circular machine part having cut teeth or, in the case of a cogwheel or gearwheel, inserted teeth (called ''cogs''), which mesh with another (compatible) toothed part to transmit (convert) torque and speed. The basic principle behind the operation of gears is analogous to the basic principle of levers. A gear may also be known informally as a cog. Geared devices can change the speed, torque, and direction of a power source. Gears of different sizes produce a change in torque, creating a mechanical advantage, through their ''gear ratio'', and thus may be considered a simple machine. The rotational speeds, and the torques, of two meshing gears differ in proportion to their diameters. The teeth on the two meshing gears all have the same shape. Two or more meshing gears, working in a sequence, are called a gear train or a ''transmission''. The gears in a transmission are analogous to the wheels in a crossed, belt pulley system. An advantage of gears is that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Central Institute Of Aviation Motors
The P. I. Baranov Central Institute of Aviation Motor Development (also known as the "Central Institute for Aviation Motor Development named after P. I. Baranov" or simply "Central Institute of Aviation Motors", CIAM or TsIAM, ''Tsentralniy Institut Aviatsionnogo Motorostroeniya'', russian: Центральный институт авиационного моторостроения) is the only specialized Russian research and engineering facility dealing with advanced aerospace propulsion research, aircraft engine certification and other gas dynamics-related issues. It was founded in 1930. CIAM operates the largest aerospace engine testing facility in Europe, surpassed only by the United States's Arnold Engineering Development Center and Glenn Research Center. It is based in Lefortovo (the southeast okrug of Moscow) with an address of 2 Aviamotornaya street, Moscow, Postcode 111116. CIAM also operates a scientific testing center in Lytkarino, Moscow Oblast. History The base ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
General Electric GE36
The General Electric GE36 was an experimental aircraft engine, a hybrid between a turbofan and a turboprop, known as an unducted fan (UDF) or propfan. The GE36 was developed by GE Aviation, General Electric Aircraft Engines, with its CFM International equal partner Snecma taking a 35 percent share of development. Development was cancelled in 1989. Development General Electric (GE) started performing studies and component test work on the concept that would become the UDF in 1981, based on the initial results of early National Aeronautics and Space Administration (NASA) propfan technology studies that the aerospace agency first released to engine makers in 1980. GE then followed up with full-scale development testing of the GE36 starting in 1982. NASA gave GE a $20.4 million contract in February 1984 to study the concept after the company showed the agency its work in December 1983, as NASA's own propfan research efforts were advancing at a slower pace and were dependent on additio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yakovlev Design Bureau
The JSC A.S. Yakovlev Design Bureau (russian: ОАО Опытно-конструкторское бюро им. А.С. Яковлева) is a Russian aircraft designer and manufacturer (design office prefix Yak). Its head office is in Aeroport District, Northern Administrative Okrug, Moscow. Overview The bureau formed in 1934 under designer Alexander Sergeyevich Yakovlev as OKB-115 (the design bureau has its own production base at the facility No.115), but dates its birth from 12 May 1927, the day of maiden flight of the AIR-1 aircraft developed within the Department of Light Aircraft of GUAP (Head Agency of Aviation Industry) under the supervision of A.S. Yakovlev. During World War II Yakovlev designed and produced a famed line of fighter aircraft. Irkut acquired Yakovlev in April 2004. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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