https://en.wikipedia.org/wiki/PZL_P.7

General characteristics

• Crew: 1
• Capacity: fighter
• Length: 6.98 m (22 ft 11 in)
• Wingspan: 10.57 m (34 ft 8 in)
• Height: 2.69 m (8 ft 10 in)
• Wing area: 17.9 m² (193 ft²)
• Empty weight: 1,090 kg (2,400 lb)
• Useful load: 386 kg ()
• Loaded weight: 1,476 kg (3,254 lb)
• Powerplant: 1 × Bristol Jupiter VIIF 9-cylinder radial engine, 520 hp (388 kW)

Performance

• Maximum speed: 327 km/h (203 mph)
• Cruise speed: 285 km/h
• Stall speed: 104 km/h ()
• Range: 600 km (370 mi)
• Service ceiling: 8,500 m (27,900 ft)
• Rate of climb: 624 m/min (10.4 m/s) (2047.2 ft/min)
• Wing loading: 82.5 kg/m² ()

Armament

• 2 x 7.9 mm Vickers E machine guns (later series: PWU FK wz.33 machine guns)