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Vympel R-77 : ウィキペディア英語版
R-77

The Vympel NPO R-77 missile (NATO reporting name: AA-12 Adder) is a Russian medium range, active radar homing air-to-air missile system. It is also known by its export model designation RVV-AE. It is the Russian counterpart to the American AIM-120 AMRAAM missile.〔(【引用サイトリンク】title=Federation of American Scientists - "AA-12 ADDER R-77" )
==Development==
Work on the R-77 began in 1982. It represented Russia's first multi-purpose missile for both tactical and strategic aircraft for fire-and-forget use against a range of aircraft from hovering helicopters to high speed, low altitude aircraft. Gennadiy Sokolovski, general designer of the Vympel Design Bureau, said that the R-77 missile can be used against medium and long range air-to-air missiles such as the AIM-120 AMRAAM and AIM-54 Phoenix, as well as SAMs such as the Patriot. The weapon has a laser-triggered proximity fuze and an expanding rod warhead that can destroy variable sized targets. It can be used against cruise missiles and precision-guided munitions (PGMs). First seen in 1992 at the Moscow Airshow (MAKS) 1992, the R-77 was immediately nicknamed Amraamski by Western journalists. The basic R-77 is known as the ''izdeliye'' 170, while the export variant is known as the ''izdeliye'' 190, or RVV-AE. The R-77 and RVV-AE have a range of 80 km.〔Butowski, Piotr. ''Russia and CIS Observer''. 17 June 2007.〕〔(【引用サイトリンク】title=Tactical Missiles Corporation JSC )〕 Vympel did not have adequate funding during the 1990s and the first part of the following decade to support further evolution of the R-77, either for the Russian air force or the export market. The basic version of the R-77 is not thought to have entered the Russian air force inventory in significant numbers.〔
The R-77 can be used by upgraded Su-27, MiG-29 and MiG-31 variants in Russian Air Force service. Some variants of the Su-27 in China's People's Liberation Army Air Force, including the domestically produced J-11 variants, can also employ the missile. The newer Su-30MKK has a N001 (Su-27 radar) with a digital bypass channel incorporating a mode allowing it to use R-77s. The export RVV-AE has been sold widely, with China and India placing significant orders for the weapon, as was the case for the R-73. The baseline R-77 was designed in the 1980s, with development complete by around 1994. India was the first export customer for the export variant, known as the RVV-AE, with the final batch delivered in 2002.
There are other variants under development. One has an upgraded motor to boost range at high altitudes to as much as 120–160 km; it is known as the RVV-AE-PD. The 'PD' stands for Povyshenoy Dalnosti, which in Russian means "improved range". This variant has been test-fired and uses a solid-fuel ramjet engine. Its range puts it in the long-range class and is equivalent in range to the AIM-54 Phoenix. In another version of the R-77, a terminal infrared homing seeker is offered. This is in line with the Russian practice of attacking targets by firing pairs of missiles with different homing systems. This complicates end-game defensive actions for the target aircraft, as it needs to successfully defeat two homing systems. This method of attack may not always be available as IR seekers typically have less range and less resistance to poor weather than radar seekers, which may limit the successful use of mixed seeker attacks unless the IR missile is initially directed by radar or some other means.〔(【引用サイトリンク】title=Heat Seeking Missile Guidance )
Another improvement program was designated the R-77M, which made the missile longer and heavier, making use of a two-stage motor as well as an improved seeker. A further product-improvement of the R-77, designated the R-77M1 and then the R-77-PD, was to feature a ramjet propulsion device. This missile was destined for the MiG 1.44 that for the MFI program. The weapon has a laser fuse and an expanding rod warhead that can destroy the variable sized targets. However, due to funding shortage and eventual cancellation of the MiG 1.44, development of this model may have stopped by 1999; no information or announcement regarding the R-77M and R-77-PD has appeared since.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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