| Technical data | ||
|---|---|---|
| Type | /I-250/N | MiG-13/N |
| Function | fighter | |
| Year | 1945 | 1947 |
| Crew | 1 | 1 |
| Engines |
1*1500/1650hp VK-107A(R?)
1*300kg Khalshchevnikov VRDK |
|
| Length | 8.18m | 8.20m |
| Wing Span | 9.5m | 9.5m |
| Wing Area | 15.0m2 | 15.0m2 |
| Empty Weight | 2935kg | 3028kg |
| Loaded Weight | 3680kg | 3931kg |
| Wing Load (kg/m2) | 245 | 262 |
| Power load (kg/hp) | 2.23 | 2.38 |
| Speed at 0m | 670km/h | ? |
| Speed at 7800m | 825km/h | ? |
| Speed without VRDK | ? | 600km/h |
| Climb to 5000m | 4.6min | ? |
| Ceiling | 11900m | ? |
| Range | 1380km | 1818km |
| Armament | ||
| Guns | 3*20mm B-20 | |
A small all-metal mixed-power fighter with a piston engine in the nose and a VRDK 'booster' in the tail. VRDK was basically a jet engine with a compressor driven by the V.Ya.Klimov engine. It had variable exhaust nozzle. Joined power of both engines was up to 2800hp (at 7000m).
It was very well armed - 3 B-20 cannons provided salvo of 3.84kg/sec. One of cannons was installed to fire through the spinner, two others - on the engine sides, synchronized.
|
First flight was performed on March 3, 1945. In March-May I-250 passed first test program.
50 (or less than 20?) built, and in service until 1950 with USSR Navy (Baltic and Polar fleet);
|
|
25k B/W photo and 20k B/W drawing (by I.G.Soultanov) at "History of aircraft construction in the USSR", Vol.1 p.240 |
|
|
| Modified October 14, 1997 |
|
Back to Main Gate |