The Piasecki PV-2 was a helicopter designed by

Frank Piasecki Frank Nicolas Piasecki ( ; ; October 24, 1919 – February 11, 2008) was an American engineer and helicopter aviation pioneer. Piasecki pioneered tandem rotor helicopter designs and created the compound helicopter concept of vectored thrust using ...

. The PV-2 is best known for being one of the first successful

helicopter A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attribut ...

s flown in the United States. The PV-2 first flew on April 11, 1943.National Aviation Hall of Fame - Frank Piasecki
Developed as a technology demonstrator, the PV-2 brought several new features such as the first dynamically balanced rotor blades, a rigid tail rotor with a tension-torsion pitch change system, and a full cyclic and collective rotor pitch control. The PV-2 is now on display at the National Air and Space Museum's

Steven F. Udvar-Hazy Center The Steven F. Udvar-Hazy Center, also called the Udvar-Hazy Center, is the Smithsonian National Air and Space Museum (NASM)'s annex at Washington Dulles International Airport in the Chantilly area of Fairfax County, Virginia. It holds numerou ...

Specifications

References

External links

P-V Engineering Forum PV-2
at the National Air and Space Museum
''Popular Science'' August 1951, page 30
rare photo of PV-2 in flight {{Piasecki/Vertol aircraft PV-02 1940s United States helicopters Single-engined piston helicopters Individual aircraft in the collection of the Smithsonian Institution Aircraft first flown in 1943