Specifications – PZL P.11(c)

Crew: 1

Length: 7.55 m (24 ft 9 in)
Wingspan: 10.719 m (35 ft 2 in)
Height: 2.85 m (9 ft 4 in)
Wing area: 17.9 m2 (193 sq ft)

Empty weight: 1,147 kg (2,529 lb)
Gross weight: 1,630 kg (3,594 lb)
Max takeoff weight: 1,800 kg (3,968 lb)

Powerplant:

1x Bristol Mercury V.S2 9-cyl. air-cooled radial piston engine, 420 kW (560 shp) or
1x 481 kW (645 hp) Polish Skoda Works Mercury VI.S2

P.11a – 370.6 kW (497 hp) – 385.5 kW (517 hp) Polish Skoda Works Mercury IV.S2
P.11b – 391.5 kW (525 hp) Gnome-Rhône 9K Mistral or I.A.R. 9K Mistral
P.11f – 443.7 kW (595 hp) I.A.R. 9K Mistral
P.11g – 626.37 kW (840 hp) P.Z.L. Mercury VIII

Propellers:

2-bladed Szomanski fixed pitch wooden propeller

Performance:

Maximum speed: 390 km/h (242 mph; 211 kn) at 5,000 m (16,404 ft)
300 km/h (186 mph) at sea level
Stall speed: 98 km/h (61 mph; 53 kn)

Range: 700 km (435 mi; 378 nmi)
Service ceiling: 8,000 m (26,247 ft)
absolute ceiling: 11,000 m (36,089 ft)

Time to altitude:
5,000 m (16,404 ft) in 6 minutes
7,000 m (22,966 ft) in 13 minutes

Wing loading: 91.1 kg/m2 (18.7 lb/sq ft)
Power/mass: 0.279 kW/kg (0.166 hp/lb)

Armament:

P.11a,b,c – 2 x 7.92 mm (0.312 in) KM Wz 33 or KM Wz 37 machine guns with 500rpg
P.11c – optionally an extra 2 × 7.92 mm (0.312 in) KM Wz 33 machine guns with 300rpg
P.11f – 4 x 7.92 mm (0.312 in) FN Browning machine guns
P.11g – 4 x 7.92 mm (0.312 in) KM Wz 36 machine guns

PZL P.11

PZL P.11a

©Don Greer & ©Dan Goulding via Wings Palette