Acro Sport I

The Acro Sport is a single-seat aerobatic sportsplane designed by US aviation enthusiast Paul Poberezny in the early 1970s for homebuilding. Plans are marketed by Acro Sport Inc.

Acro Sport I
Role aerobatic sportsplane
National origin US
Manufacturer Acro Sport
Designer Paul Poberezny
First flight 11 January 1972[1]
Variants Acro Sport II

The Acro Sport is a short-span biplane of conventional taildragger configuration, typically built with an open cockpit and spatted main undercarriage. Its structure is a fabric-covered, steel tube fuselage and tail group, with a wood wing structure.

Variants

The Acro Sport II is the two place version of the Acro Sport I

Specifications

Data from [1]

General characteristics

  • Crew: one
  • Length: 17 ft 6 in (5.33 m)
  • Wingspan: 19 ft 7 in (5.97 m)
  • Height: 6 ft 0 in (1.83 m)
  • Wing area: 116 sq ft (10.78 m2)
  • Empty weight: 900 lb (408 kg)
  • Gross weight: 1,350 lb (612 kg)
  • Powerplant: 1 × Lycoming O-360 4-cyl. air-cooled horizontally-opposed piston engine, 180 hp (135 kW)

Performance

  • Maximum speed: 152 mph (245 km/h, 132 kn)
  • Cruise speed: 130 mph (209 km/h, 110 kn)
  • Stall speed: 50 mph (81 km/h, 43 kn)
  • Range: 350 mi (564 km, 300 nmi)
  • Service ceiling: 20,000 ft (6,096 m)
  • Rate of climb: 3,500 ft/min (18 m/s)

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References
  1. Terpstra, 1992, p.13.
  • Terpstra, Philip (1992). 1992 Worldwide Homebuilt Aircraft Directory. Tucson, Arizona: Spirit Publications. p. 13.

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