| I-2 | |
|---|---|
| A Grigorovich I-2 somewhere in the Soviet Union. | |
| Role | Fighter |
| Designer | Grigorovich |
| First flight | 4 November 1924 |
| Primary user | Soviet Air Forces |
| Developed from | Grigorovich I-1 |
The Grigorovich I-2 was a biplane fighter aircraft of the Soviet Union, the first indigenous fighter to enter service in substantial numbers. Developed from the Grigorovich I-1, it first flew on 4 November 1924, piloted by A.I. Zhukov. The M-5 engine was a Soviet copy of the Liberty L-12.
Its design showed the existence of important limitations that were tried to solve without success in the improved version I-2bis. Production of the redesigned I-2bis was 211 aircraft. Production was performed by Aviation Repair Plant No.3 in Smolensk.
Grigorovich I-2 fuselage construction
I-2bis (Designed by Grigorovich, produced by Polikarpov)
I-2bis
Operators[]
Soviet Union- Soviet Air Forces
Specifications (I-2bis)[]
General characteristics
- Crew: One, pilot
- Length: 7.32 m (24 ft 0 in)
- Wingspan: 10.80 m (35 ft 5 in)
- Height: 3.00 m (9 ft 10 in)
- Wing area: 23.4 m² (252 ft²)
- Empty weight: 1,152 kg (2,540 lb)
- Loaded weight: 1,575 kg (3,472 lb)
- Powerplant: 1 × M-5 water-cooled 45-degree V12 engine, 298 kW (400 hp)
Performance
- Maximum speed: 235 km/h (147 mph)
- Range: 600 km (374 miles)
- Service ceiling: 5,340 m (17,515 ft)
- Rate of climb: 420 m/min (1,377 ft/min)
- Wing loading: 67 kg/m² (14 lb/ft²)
- Power/mass: 0.19 kW/kg (0.12 hp/lb)
Armament
See also[]
- Grigorovich I-1
- I-1 -
- I-2 -
- I-3 -
- I-4 -
- I-5
- List of Interwar military aircraft
- List of military aircraft of the Soviet Union and the CIS
- List of fighter aircraft
External links[]
 |
Wikimedia Commons has media related to Grigorovich aircraft. |
- D.Grigorovich page at www.aviation.ru
- Russian Aviation Museum
- Venik's Aviation
- I-2 page at airwar.ru (Russian)
- All Aero [1]
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The original article can be found at Grigorovich I-2 and the edit history here.