| SEV-3 | |
|---|---|
| Role | Three-seat amphibian |
| National origin | United States |
| Manufacturer | Seversky Aircraft |
| First flight | 1933 |
The Seversky SEV-3 was an American three-seat amphibian monoplane, the first aircraft designed and built by the Seversky Aircraft Corporation.
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The SEV-3 was an all-metal cantilever low-wing monoplane powered by a nose-mounted 420 hp (313 kW) Wright J-6 Whirlwind radial engine. It had two cockpits in tandem, forward for the pilot and the rear cockpit for two passengers, both with a sliding canopies. It could either be fitted with twin amphibious floats which had main wheels fitted in the floats to allow it to operate from land or with a fixed tailwheel undercarriage with the mainwheels enclosed in large fairings.[1]
The SEV-3 first flew as a floatplane in June 1933 demonstrating excellent performance as both an amphibian and a landplane.[2] It was built in small numbers mainly for export.
An SEV-3 established a world speed record for a piston-engined amphibians in 1933 and on 15 September 1935 a Wright Cyclone powered SEV-3 set a record of 230 mph (370.8 km/h) which stood for 49 years. A landplane version was also developed with a conventional landing gear.[3]
The design influenced a long-line of Seversky then Republic aircraft leading to the P-47 Thunderbolt. A landplane version was used by the United States Army Air Corps as a basic trainer with the designation BT-8.
Data from United States Military Aircraft since 1909[4]
General characteristics
Performance
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