PV-2
PV-2 in flight testing
Role Helicopter
Manufacturer P-V Engineering Forum
Designer Frank Piasecki
First flight April 11, 1943
Produced 1943
Number built 1

The Piasecki PV-2 was a helicopter designed by Frank Piasecki. The PV-2 is best known for being one of the first successful helicopters flown in the United States. The PV-2 first flew on April 11, 1943.[1] 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.[2]

The PV-2 is now on display at the National Air and Space Museum's Steven F. Udvar-Hazy Center

Specifications

Data from History - single rotor helicopters: PV-2[2]

General characteristics

  • Crew: 1
  • Capacity: 2
  • Length: 21 ft 6 in (6.55 m) fuselage
  • Max takeoff weight: 1,000 lb (454 kg)
  • Powerplant: 1 × Franklin 4AC-199 4-cylinder horizontally-opposed piston engine, 90 hp (67 kW) at 2,500 rpm[3]
  • Main rotor diameter: 24 ft 11 in (7.6 m)
  • Main rotor area: 488.4 sq ft (45.37 m2)
  • Blade section: NACA 0012[4]

Performance

  • Maximum speed: 100 mph (160 km/h, 87 kn)
  • Range: 150 mi (240 km, 130 nmi)

References

  1. ↑ National Aviation Hall of Fame - Frank Piasecki Archived 2008-05-22 at the Wayback Machine
  2. 1 2 "History - single rotor helicopters: PV-2". 2001. Archived from the original on 2008-03-15.
  3. ↑ Erickson, Jack (1 November 2016). "Franklin1". www.enginehistory.org. Aircraft Engine Historical Society. Retrieved 21 January 2020.
  4. ↑ Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.
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