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
General information
Type	aerobatic sportsplane
National origin	US
Manufacturer	Acro Sport
Designer	Paul Poberezny
History
First flight	11 January 1972[1]
Variant	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)