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Piasecki H-21 cockpit. Piasecki Helicopter designed and successfully sold to the United States Navy a series of tandem rotor helicopters, starting with the HRP-1 of 1944. The HRP-1 was nicknamed the "flying banana" because of the upward angle of the aft fuselage, which ensured that the large rotors could not strike the fuselage in any flight attitude.
The pre-production aircraft were used to develop mission kits and configurations for offshore and SAR roles, enabling these to be immediately certified and available for customer selection. [4] In August 2013, the fifth prototype was dispatched to the UK, so that AgustaWestland's UK branch could begin work on certifying the type for SAR ...
The Piasecki X-49 "SpeedHawk" is an American four-bladed, twin-engined experimental high-speed compound helicopter developed by Piasecki Aircraft.The X-49A is based on the airframe of a Sikorsky YSH-60F Seahawk, but utilizes Piasecki's proprietary vectored thrust ducted propeller (VTDP) design and includes the addition of lifting wings.
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The Piasecki Helicopter Corporation was an American designer and manufacturer of helicopters in Philadelphia and nearby Morton, Pennsylvania, in the late 1940s and the 1950s. [1] Its founder, Frank Piasecki, was ousted in 1956 and started a new company, Piasecki Aircraft. Piasecki Helicopter was renamed Vertol Corporation in early 1956.
A balloon helicopter is a flying toy consisting of a latex toy balloon and a plastic propeller, derived from the simple balloon rocket. The most important feature is the hollow propeller hub which directs air into a passage in each propeller blade. The air passages channel air to the blade tips such that air escapes in a fine jet tangentially.
The aircraft was designed to comply with the US Experimental – Amateur-built and European microlight aircraft rules. It features a single main rotor and tail rotor, a single-seat enclosed cockpit with a windshield, skid landing gear and a two-cylinder, air-cooled, two stroke 64 hp (48 kW) MZ 202 engine.
The Pentagon said on Monday that the U.S. State Department has approved the potential sale of Apache helicopters and related logistics and support to South Korea for an estimated $3.5 billion.