Acro Sport II

Acro Sport II

The Acro Sport II is a testament to the enduring allure of classic aircraft design and the thrill of aerobatic flight. Developed by renowned aviation enthusiast Paul Poberezny, founder of the Experimental Aircraft Association (EAA), the Acro Sport II is a homebuilt biplane that captures the essence of pure flying excitement. Its graceful lines and open cockpit evoke a sense of nostalgia while its robust construction and aerodynamic prowess ensure an exhilarating experience for pilots and spectators alike.

At the heart of the Acro Sport II’s appeal is its exceptional aerobatic performance. Engineered for precision and agility, this biplane is capable of executing a wide range of maneuvers with ease, from graceful loops and rolls to exhilarating spins and inverted flight. Its responsive controls and nimble handling characteristics make it a favorite among aerobatic enthusiasts and airshow performers, allowing pilots to push the boundaries of their flying skills with confidence and style.

Beyond its aerobatic capabilities, the Acro Sport II also excels as a versatile sport aircraft, suitable for a variety of flying adventures. Whether embarking on cross-country flights to explore new horizons or simply enjoying a leisurely cruise through the skies, this timeless biplane offers a thrilling and unforgettable flying experience. With its blend of vintage charm, superb performance, and unmatched craftsmanship, the Acro Sport II continues to captivate aviators and aviation enthusiasts around the world, embodying the enduring spirit of flight.

Acro Sport II parameters

Here are some parameters associated with the Acro Sport II:

1. Type: The Acro Sport II is a homebuilt, single-engine biplane designed primarily for aerobatic flying.
2. Powerplant: Typically powered by a single piston engine, commonly the Lycoming O-320 or O-360 series, with horsepower ranging from 150 to 180 hp.
3. Performance:
   • Maximum Speed: Approximately 160 mph (260 km/h).
   • Cruise Speed: Around 130 mph (210 km/h).
   • Stall Speed: Varies, but typically around 50-60 mph (80-95 km/h).
   • Rate of Climb: Roughly 1,200-1,500 feet per minute (6-7.6 m/s).
4. Dimensions:
   • Length: Approximately 17 feet (5.18 meters).
   • Wingspan: Approximately 22 feet (6.71 meters).
   • Height: Approximately 6 feet (1.83 meters).
   • Wing Area: Around 130 square feet (12 square meters).
5. Weights:
   • Empty Weight: Typically around 900-1,000 lbs (408-454 kg), depending on specific construction and equipment.
   • Maximum Takeoff Weight: Varies based on individual aircraft, but typically around 1,500-1,800 lbs (680-816 kg).
6. Capacity:
   • Seating: Designed for two occupants in tandem configuration, with the pilot in the front and a passenger or instructor in the rear.
   • Baggage: Limited storage space available behind the rear seat for small personal items.
7. Avionics: Basic instrumentation typically includes airspeed indicator, altimeter, vertical speed indicator, compass, and engine instruments. Additional avionics can vary based on owner preferences and modifications.
8. Construction: The Acro Sport II is primarily constructed from metal tubing, wood, and fabric covering, following plans provided by the designer. Many builders customize their aircraft during construction, leading to variations in weight, performance, and equipment.