Mikoyan-Gurevich MiG-9

https://en.wikipedia.org/wiki/Mikoyan-Gurevich_MiG-9

The Mikoyan-Gurevich MiG-9, USAF/DoD designation: Type 1, NATO reporting name:
Fargo) was the first turbojet fighter developed by Mikoyan-Gurevich in the years
immediately after World War II. It used reverse-engineered German BMW 003
engines. Categorized as a first-generation jet fighter, it was moderately
successful, but suffered from persistent problems with engine flameouts when
firing its guns at high altitudes due to gun gas ingestion. A number of
different armament configurations were tested, but nothing solved the problem.
Several different engines were evaluated, but none were flown as the prototype
of the Mikoyan-Gurevich MiG-15 promised superior performance.

A total of 610 aircraft were built, including prototypes, and they entered
service in 1948 with the Soviet Air Forces. At least 372 were transferred to the
People's Liberation Army Air Force in 1950 to defend Chinese cities against air
raids by the Nationalist Chinese and train the Chinese pilots in jet operations.
The MiG-9 was quickly replaced by the MiG-15. Three are known to survive.

Origins

In February 1945, the Council of People's Commissars ordered the
Mikoyan-Gurevich (MiG) OKB to develop a single-seat jet fighter to be equipped
with two German BMW 003 engines. Intended to destroy bombers, the aircraft was
to be equipped with a single 57-millimeter (2.2 in) or 37-millimeter (1.5 in)
gun, plus two 23-millimeter (0.9 in) guns. A more detailed directive was issued
on 9 April setting out requirements that the aircraft should have a maximum
speed of 900 kilometers per hour (559 mph) at sea level and a speed of 910 km/h
(565 mph) at an altitude of 5,000 meters (16,400 ft). It should be able to climb
to that altitude in four minutes or less and it should have a maximum range of
820 kilometers (510 mi). Three prototypes were ordered to be ready for flight
tests by 15 March 1946.

Role
Fighter aircraft

National origin
Soviet Union

Manufacturer
Mikoyan-Gurevich

First flight
24 April 1946

Status
Retired

Primary users
Soviet Air Forces
People's Liberation Army Air Force

Produced
1946–1948

Number built
598 (including 12 prototypes)

Operational history

The MiG-9 was flown in Soviet service by fighter regiments in the 1st, 7th,
14th, 15th, and 16th Air Armies. These last two were based near Kaliningrad and
in East Germany respectively. In addition, the 177th Fighter Aviation Regiment
of the 303rd Aviation Division near Yaroslavl flew the aircraft in 1949.

Six divisions of MiG-9s, each with two regiments of 31 aircraft, were
transferred to China in November–December 1950 for air defense and training
duties. The 17th Guards Fighter Aviation Division (GIAD) defended Shenyang, the
20th Fighter Aviation Division (IAD) guarded Tangshan, and the 65th IAD
protected Guangzhou. The 144th IAD defended Shanghai, the 309th guarded
Gongzhuling and the 328th IAD protected Peking. These units later handed their
aircraft over to the 6th, 7th, 12th, 14th, 16th, and 17th Fighter Divisions of
the People's Liberation Army Air Force when their training was complete. The
Chinese considered sending their MiG-9s to Korea in 1951 under Soviet pressure,
but reconsidered when the PLAAF commanders reported that they believed that it
would be better to retrain MiG-9 pilots on MiG-15s.

Specifications (MiG-9 / FS / I-301))

General characteristics
Crew: 1
Length: 9.75 m (32 ft 0 in)
Wingspan: 10 m (32 ft 10 in)
Height: 3.225 m (10 ft 7 in)
Wing area: 18.2 m2 (196 sq ft)
Airfoil: root: TsAGI IA10; tip: TsAGI IV10
Empty weight: 3,283 kg (7,238 lb)
Gross weight: 4,860 kg (10,714 lb)
Fuel capacity: 1,625 l (429 US gal; 357 imp gal)
Powerplant: 2 × RD-20 axial-flow turbojet engines, 7.80 kN (1,754 lbf) thrust
each

Performance
Maximum speed: 864 km/h (537 mph, 467 kn) at sea level
Maximum speed: Mach 0.7
910 km/h (570 mph; 490 kn) at 4,500 m (14,764 ft) Mach 0.74Never exceed speed:
1,050 km/h (650 mph, 570 kn) / Mach 0.85
Range: 800 km (500 mi, 430 nmi)
Service ceiling: 13,000 m (43,000 ft)
g limits: +6
Rate of climb: 22 m/s (4,300 ft/min)
Wing loading: 267 kg/m2 (55 lb/sq ft)

Armament

1 × 37 mm (1.457 in) Nudelman N-37 autocannon extending from nose intake divider
2 × 23 mm (0.906 in) Nudelman-Suranov NS-23 autocannon extending from undersides
of nose intake




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