PWS-10 & PWS-15

1st Flight 1930

The PWS-10 was a Polish fighter aircraft.

It was the first Polish-designed fighter to enter serial production.

A variant of PWS-10 was a biplane PWS-15, being PWS-10 with another pair of wings.

A single prototype was made to compare with a monoplane, on the factory’s initiative.

It first flew in the spring of 1931.

It offered better manoeuvrability and climb ratio with a slightly lower maximum speed.

PWS-15 was not produced and was soon broken up.

Variants

PWS-10 : Single-seat fighter biplane.

PWS-10M : This was the original designation of the PWS-10.

PWS-15 : PWS-10 with a new wing, one conversion only, not successful.

Specifications

Crew: 1

Length: 7.7 m (25 ft 3 in)

Wingspan: 10.5 m (34 ft 5 in)

Height: 2.9 m (9 ft 6 in)

Wing area: 18.25 m2 (196.4 sq ft)

Empty weight: 1,113 kg (2,454 lb)

Gross weight: 1,500 kg (3,307 lb)

Max take-off weight: 1,550 kg (3,417 lb)

Powerplant: 1 × Lorraine-Dietrich 12Eb W-12 water-cooled piston engine, 356 kW (478 hp)

Propellers: 2-bladed fixed-pitch propeller

Performance

Maximum speed: 240 km/h (150 mph, 130 kn)

Cruise speed: 215 km/h (134 mph, 116 kn)

Range: 520 km (320 mi, 280 nmi)

Service ceiling: 5,900 m (19,400 ft)

Rate of climb: 5.8 m/s (1,140 ft/min)

Wing loading: 82.3 kg/m2 (16.9 lb/sq ft)

Armament

Guns: 2 x 7.7 mm Vickers machine guns.

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