Sukhoi Shkval
type of aircraft

The Sukhoi Shkval (Russian: Сухой Шквал, lit. 'Dry Squall') was a Soviet project for a tailsitter-type interceptor aircraft.
History
In 1960, a young engineer named Rolan Martirossov began a project with a team of 10 people to create a new type of aircraft—a single-seater, highly capable tailsitter for interception purposes. Initially, the team got permission to work on the project in their spare time. The project was named Shkval-1, and Martirossov became its Chief Designer.
At the time, the Yakovlev Design Bureau was developing Yak-36, while in Britain, the Hawker Siddeley Group was working on the Hawker Siddeley Harrier model. Both designs were equipped with conventional landing gear. The Shkval, however, was designed to take off and land on its tail, similar to the American Lockheed XFV-1. As a result, it required significantly less space.
After drafting the concept and conducting wind tunnel tests at the Central Aerohydrodynamic Institute, Pavel Sukhoi's team received official approval for the project. This approval allowed state funding and access to various experimental facilities.
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