| Property | Value |
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| rdfs:comment | - On February 21, 1949 a Sovmin order requested the Yakovlev OKB to design a lightweight, radar-equipped, all-weather and night interceptor capable of Mach 0.97 at 4,000 m (13,000 ft). The aircraft was to utilize the Klimov VK-1 engine which first appeared on Mikoyan-Gurevich MiG-15 and MiG-17 fighters. This engine was itself a Soviet copy of the British Rolls-Royce Nene centrifugal turbojet initially known as the RD-45. The leading fighter OKBs each created a prototype to meet the requirement, which included the Lavochkin La-200, Mig I-320, Suchoi Su-15 (unrelated to the later aircraft with the same designation) and the Yak-50 (again, unrelated to the later aircraft). A major difference was that while Yakolev used one engine, the other design bureaus used two.
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| dbkwik:military/property/wikiPageUsesTemplate | |
| loaded weight main | |
| climb rate main | |
| length alt | |
| span main | |
| Status | |
| thrust alt | |
| primary user | |
| Type | |
| loading main | |
| range alt | |
| length main | |
| area main | |
| span alt | |
| range main | |
| Manufacturer | |
| max speed main | |
| thrust/weight | |
| climb rate alt | |
| ceiling main | |
| empty weight main | |
| type of jet | - centrifugal compressor turbojet engine
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| loaded weight alt | |
| area alt | |
| First Flight | |
| engine (jet) | |
| max speed alt | |
| jet or prop? | |
| loading alt | |
| empty weight alt | |
| thrust main | |
| number of jets | |
| plane or copter? | |
| ceiling alt | |
| Crew | |
| Armament | - * 2× 23 mm Nudelman-Rikhter NR-23 cannons, 80 rounds/gun
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| abstract | - On February 21, 1949 a Sovmin order requested the Yakovlev OKB to design a lightweight, radar-equipped, all-weather and night interceptor capable of Mach 0.97 at 4,000 m (13,000 ft). The aircraft was to utilize the Klimov VK-1 engine which first appeared on Mikoyan-Gurevich MiG-15 and MiG-17 fighters. This engine was itself a Soviet copy of the British Rolls-Royce Nene centrifugal turbojet initially known as the RD-45. The leading fighter OKBs each created a prototype to meet the requirement, which included the Lavochkin La-200, Mig I-320, Suchoi Su-15 (unrelated to the later aircraft with the same designation) and the Yak-50 (again, unrelated to the later aircraft). A major difference was that while Yakolev used one engine, the other design bureaus used two.
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