Acro Sport II

Acro Sport II
Role	aerobatic sportsplane
National origin	US
Manufacturer	Acro Sport
Designer	Paul Poberezny
Developed from	Acro Sport I

Acro Sport II

Acro Sport II

Acro Sport II

The Acro II is a two-seat aerobatic sportsplane designed by US aviation enthusiast Paul Poberezny in the 1970s for amateur construction. It is an enlarged version of his previous Acro Sport I, sized up to carry two persons. Plans are available through Acro Sport in Wisconsin.^[1]

The Acro Sport II is a short-span biplane of conventional taildragger configuration, typically built with open cockpits and spatted main undercarriage. Its structure is fabric-covered, steel tube fuselage and tail group, with wood wing structure.^[1]

Variants

Acro Sport I

Single place version of the Acro Sport

Specifications

Data from ^[2]

General characteristics

• Crew: 1
• Capacity: 2
• Length: 18 ft 10.25 in (5.7468 m)
• Wingspan: 21 ft 8 in (6.60 m)
• Height: 6 ft 7.75 in (2.0257 m)
• Wing area: 152 sq ft (14.1 m²)
• Empty weight: 875 lb (397 kg)
• Gross weight: 1,520 lb (689 kg)
• Powerplant: 1 × Lycoming O-360 4-cylinder, air-cooled, horizontally-opposed piston aircraft engine, 180 hp (130 kW)

Performance

• Maximum speed: 152 mph (245 km/h; 132 kn)
• Cruise speed: 123 mph (107 kn; 198 km/h)
• Stall speed: 53 mph (46 kn; 85 km/h)
• Range: 430 mi (374 nmi; 692 km)
• Service ceiling: 20,000 ft (6,096 m)
• Rate of climb: 1,200 ft/min (6.1 m/s)
• Wing loading: 10.0 lb/sq ft (49 kg/m²)

See also

Aircraft of comparable role, configuration and era

• Pitts Special
• Sorrell Hiperbipe
• Steen Skybolt
• Stolp Starduster Too
• Aviat Eagle II　(Christen Eagle)

References

1. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 89. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
2. Terpstra, 1992, p.14.

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

External links