MIG-9 – the first Soviet turbojet fighter. Create a task in a short period of high-speed jet fighter OKB, headed by AI. Mikoyan and MI. Gurevich, I received a few months before the end of World War II. engine, which have developed a thrust, providing the estimated aircraft velocity, while it was not in the country. I had to rely on captured German jet engines, seized in Germany. One of the plants was even captured, which makes the engine BMW-003 and YuMO-004.
MiG-9 – video
EDB has chosen for its future fighter two engine BMW-003 with draft 800 kg each. The preliminary study of the plane seemed monoplane with two engines, located under the wing, how to Me-262. But then, on the initiative of AI. Mikoyan this scheme was rejected, and the entire project was done again, installing the two motors alongside the fuselage. In this arrangement, the wing remains aerodynamically clean, reduced drag. The results of wind tunnel have shown TSAGI advantage of such an arrangement.
At the end of autumn 1945 g. The project was approved and began construction layout. After the approval of the layout was an order №157, on which bureau instructed to build an airplane I-300 ("F"). The plane was a sredneplan straight-wing and two engines. Cockpit leaky. For the first time in a Soviet fighter tricycle landing gear was used. By air gun you set one H-57 in the forward fuselage, in the wall of the air intake, and two HC-23 at the bottom of the gun.
6 Martha 1946 g. the first prototype I-300 (F-1) was built. Began ground tests have revealed and the first "surprises". When race engine exhaust jet is created underpressure, the plane began to land on the tail. Urgent was converted aft fuselage. Another problem was the thermal insulation rear fuselage from the exhaust. Fixed a screen of heat-resistant steel and duralumin fuselage paneling expanded in different ways, resulting in strain. It was necessary to install a movable structure with cooling screen. With the first starts began Screen Vibration, and again looking for a new solution.
By mid-April 1946 g. experienced I-300 was ready for flight testing. Flight tests was entrusted to a very experienced test pilot AN LII. Grinchik. 12 April, he performed the first taxiing, 15 April first jump, a 19 April made its first on approaching 4 m. finally, 24 April 1946 g. at 11 hours 12 minutes, the first Soviet jet made its first flight. 11 July 1946 g. it was decided to show the new jet technology leadership MAP. Approaching to the airfield at high speed, plane A.N. Grinchik at about 50 m rolled over and hit the ground. The reason - came off the wing fairing, which destroyed stabilizer. While were tested, built two aircraft, F-2 and F-3. On the F-3 ML pilot. Gallay tested the H-57 guns. Before and after him none of this caliber guns in the air did not shoot. After these tests, AI. Mikoyan decided to switch to a more moderate caliber - 37 mm.
MiG-9 after the test was put into production. 18 August 1946 g. G. M. Shiyanov showed aircraft air parade Tushino. At the factory in Kuibyshev built 10 MiG-9 aircraft for the air show to 7 November, but the parade was not held due to weather.
MiG-9 Modifications
And-301T (MiG-9UTI) - Double training aircraft;
I-307 - a fighter with the forced engine RD-20F;
I-308 (MiG-9M) - a fighter with the RD-21 engines;
MiG-9L - flying laboratory for testing aircraft missiles guidance systems KS-1.
Performance characteristics MIG-9
– First flight: 24 April 1946 of the year
– Getting Started: 1946 year
– End of operation: 1950-years
– years of production: 1946 — 1948
– units produced: 602
MiG-9 Crew
– 1 pilot
The dimensions of the MiG-9
– Length: 9,75 m
– Wingspan: 10,0 m
– Height: 3,225 m
– wing area: 18,2 m²
– airfoil: CAGI 1-A-10 – wing root, TSAGI 1-B-10 – wingtip
– Wing loading: 278 kg / m
– The base chassis: 3,02 m
Weight MiG-9
– empty weight: 3533 kg
– Normal takeoff weight: 4988 kg
– Mass fuel in internal tanks: 1298 kg
– Volume of fuel tanks: 1595 l
MiG-9 engine
– 2 × various LA-20
– pull: 2 × 7,8 kN (800 kgf)
– thrust-to-weight ratio: 0,316
MiG-9 speed
– Maximum speed at ground: 864 kmh
– Maximum speed at height 5000 m: 910 kmh
– Maximum speed at height 10000 m: 853 kmh
– Skoropodъёmnost: near the ground 22,0 m / s; on high 5000 m. 17,4 m / s
– set the height: 5000 M 4,3 min; 10000 M 10,8 min
– The length of the run: 950 m (at weight 4950 kg)
– path length: 1060 m (at weight 3760 kg)
The range of the MiG-9 flight
– on high 1000 m: 430 km
– on high 5000 m: 605 km
– on high 10000 m: 800 km
– flight duration: on high 1000 m. 45 min; on high 5000 m. 1 no 4 min; on high 8500 m. 1 no 21 min
Practical MiG-9 ceiling
– 13 500 m
The armament of the MiG-9
Small-pushechnoe:
– 1 × 37 mm Cannon H-37 40 patr.
– 2 × 23 NS-23 mm with Gun 80 patr. the barrel
Photo MIG-9
