Grigorovich I-2
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.
| I-2 | |
|---|---|
 | |
| Role | Fighter |
| Designer | Grigorovich |
| First flight | 4 November 1924 |
| Primary user | Soviet Air Forces |
| Developed from | Grigorovich I-1 |
Production of the redesigned I-2bis was 211 aircraft. Production was performed by Aviation Repair Plant No.3 in Smolensk.
Specifications (I-2bis)
Data from
General characteristics
- Crew: 1
- Length: 7.32 m (24 ft 0 in)
- Wingspan: 10.8 m (35 ft 5 in)
- Height: 3 m (9 ft 10 in)
- Wing area: 23.4 m2 (252 sq ft)
- Empty weight: 1,152 kg (2,540 lb)
- Gross weight: 1,575 kg (3,472 lb)
- Powerplant: 1 × Mikulin M-5 V-12 water-cooled piston engine, 298 kW (400 hp)
- Propellers: 2-bladed fixed-pitch propeller
Performance
- Maximum speed: 235 km/h (146 mph, 127 kn)
- Range: 600 km (370 mi, 320 nmi)
- Service ceiling: 5,340 m (17,520 ft)
- Rate of climb: 7 m/s (1,400 ft/min)
- Wing loading: 67 kg/m2 (14 lb/sq ft)
- Power/mass: 0.19 kW/kg (0.12 hp/lb)
Armament
- Guns: 2 × 7.62 mm PV-1 machine guns
gollark: Computers existing has also resulted in *tons* of stuff becoming more efficient and automated. Also frequently stupid things like IoT.
gollark: Another important area which seems to have improved a lot "recently" is genetic modification and sequencing.
gollark: Yes, there is seemingly slowdown in the actual hardware, but progress on software stuff and lots of interesting new approaches to hardware.
gollark: Yes, I know, it's very exciting.
gollark: We got blue LEDs (→ LED lighting) and lithium ion batteries (→ ~every portable device and now cars) within about the same timeframe, I think.
See also
Related development
Related lists
External links
- D.Grigorovich page at www.aviation.ru
- Russian Aviation Museum
- Venik's Aviation
- I-2 page at airwar.ru (in Russian)
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.