Friday, April 15, 2011

MiG-31 Foxhound (wallpaper 3)

MiG-31 Foxhound wallpaper 3
size image : 1092 x 682
MiG-31 Foxhound (wallpaper 3)
MiG-31 Foxhound aircraft images wallpaper gallery 3. MiG-31 Foxhound airplane pictures and images collection 3.
Fighter and Attack Aircraft. The wings and airframe of the MiG-31 are stronger than those of the MiG-25, permitting supersonic flight at low altitudes. Its Aviadvigatel D30-F6 turbofans, rated at 152 kN thrust, (also described as "bypass turbojets" due to the low bypass ratio) allow a maximum speed of Mach 1.23 at low altitude. High-altitude speed is temperature-redlined to Mach 2.83—the thrust-to-drag ratio is sufficient for speeds in excess of Mach 3, but such speeds pose unacceptable hazards to engine and airframe life in the routine use. The Mikoyan MiG-31 is a long-range high-performance interceptor which was developed to replace the MiG-25 in the Soviet Air Defence Force (PVO). Clearly a derivative of the rather crude-looking MiG-25, the high speed and very powerful radar of the MiG-31 make it a formidable interceptor. Developed to counter the XB-70 Valkyrie bomber, the MiG-25 Foxbat functioned well as a high-altitude interceptor with the help of Ground Control, but it was equipped with only limited avionics. From the late 1960s, bombers in Western air forces had started to switch to low-altitude attack profiles, to avoid the ever increasing anti-aircraft missile threat, and they also started carrying early forms of cruise missile. In countering low flying aircraft the MiG-25 performed quite poorly. MiG-31 Foxhound (wallpaper 3). MiG-31 Foxhound aircraft images wallpaper gallery 3. MiG-31 Foxhound airplane pictures and images collection 3. The Soviet Air Defence Force therefore required a new interceptor which could operate well at high and low altitudes, and which was also capable of intercepting cruise missiles. This new aircraft was the MiG-31. It was decided to make the MiG-31 a two-seater, so that it would not be dependent upon direct help from Ground Control. Given an approximate initial location of the intruder, the back-seater would guide the pilot to the target. However, it was also planned that the MiG-31 could operate semi-automatically, being directed towards a target by the AK-RLDN ground-based automatic guidance network, using the aircraft’s APD-518 digital datalink and BAN-75 command link. Development of the the MiG-25′s replacement began with the Ye-155MP development machine, which first flew on 16 September 1975. In appearance the Ye-155MP looked very much like a stretched MiG-25, with a longer fuselage for the additional rear cockpit and a new wing. While the MiG-25 Foxbat was mostly made out of Nickel Steel, (some 80% of the structure), the Ye-155MP used much more titanium and aluminum. The reduced structure weight gave the Ye-155MP much better performance than the Foxbat. The first information the West knew for sure about the new aircraft came from Victor Ivonovich Belenko, a pilot with the 513th Fighter Regiment of Soviet Air Defence Command based in Sakharauka, Siberia. He defected to Hakodate, Japan, in his MiG-25 in September 1976 and was debriefed about the Ye-155MP. He described it as a “super Foxbat”. MiG-31 Foxhound (wallpaper 3). MiG-31 Foxhound aircraft images wallpaper gallery 3. MiG-31 Foxhound airplane pictures and images collection 3.
MiG-31 Foxhound (Wallpaper 1)
MiG-31 Foxhound (Wallpaper 2)
MiG-31 Foxhound (Wallpaper 4)

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