Engineering:Alvarez Polliwagen

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Polliwagen
Alvarez Polliwagen 0-235 N235BD.jpg
Role Homebuilt aircraft
Designer Joseph Alvarez

The Alvarez Polliwagen is a 1970s homebuilt aircraft. The aircraft has a combination of many high performance features not typically found in a Volkswagen air-cooled engine-powered homebuilt.[1]

Design and development

The Polliwagen is a low wing, side-by-side configuration, T tailed, retractable tricycle landing gear equipped aircraft with tip tanks. The aircraft was developed and tested with a one quarter scale radio controlled model.[2] Ailerons and flaps are full span. The fuselage is built from composites with foam cores. The aircraft's engine is configured with a turbocharger and constant speed propeller.[3] Entrance is through a swing up canopy.[4]

Specifications (Polliwagen)

Data from Plane and Pilot

General characteristics

  • Crew: 1
  • Capacity: 1 passenger
  • Length: 16 ft (4.9 m)
  • Wingspan: 26 ft (7.9 m)
  • Airfoil: Wortmann FX-67-K-150
  • Empty weight: 600 lb (272 kg)
  • Gross weight: 1,250 lb (567 kg)
  • Fuel capacity: 19 U.S. gallons (72 L; 16 imp gal)
  • Powerplant: 1 × Lycoming o-235] horizontally opposed piston, 78 hp (58 kW)
  • Propellers: 3-bladed ground adjustable Warp drive

Performance

  • Maximum speed: 220 kn (250 mph, 400 km/h)
  • Cruise speed: 160 kn (180 mph, 290 km/h)
  • Stall speed: 33 kn (38 mph, 61 km/h)
  • Range: 1,000 nmi (1,200 mi, 1,900 km)
  • Service ceiling: 28,800 ft (8,800 m)

See also

Aircraft of comparable role, configuration and era

References

  1. David E. Pullmann. Acceptance of Mediocrity. p. 197. 
  2. "none". Flight International. 22 August 1977. 
  3. "Polliwagen". http://www.planeandpilotmag.com/aircraft/international-aircraft-directory/homebuiltkitbuilt-aircraft/polliwagen.html. Retrieved 2 December 2013. 
  4. "none". Popular Mechanics: 77. January 1980.