PZL P.6
Polish fighter
The PZL P.6 was a pre-WW2 Polish single-seat gull-wing monoplane fighter, designed by Zygmunt Puławski, and manufactured by the Państwowe Zakłady Lotnicze (PZL) state-owned factory. It remained a prototype and did not go into production.
Design and development
Zygmunt Puławski designed the all-metal metal-covered monoplane PZL P.1 fighter in 1928 which was powered with an inline engine, and developed a speed of 302 km/h (188 mph), but remained a prototype, because the Polish Air Force decided that its fighters should be powered with a Polish-built radial engine. The next model PZL P.6, was powered with a Bristol Jupiter VI FH radial engine.
The PZL P.6 flew for the first time in August 1930 with test pilot Bolesław Orliński at the controls. It had a very similar wing to the P.1, but the semi-monocoque fuselage was completely redesigned with an circular cross-section, and the tail was altered. The modifications reduced the aircraft's empty weight by over 200 kg (440 lb).
Technical description
The PZL P.6 was an all-metal duralumin-covered, strut-braced, gull-wing monoplane. The forward fuselage was built around a tubular steel frame, while the rear fuselage was a circular semi-monocoque. The tapered two-spar wing which was thinner and narrower at the root was skinned with a ribbed and corrugated Wibault type duralumin sheet, and braced by a pair struts on either side.
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