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The gull wing, also known as Polish wing or Puławski wing, is an aircraft wing configuration with a prominent bend in the wing inner section towards the wing root. Its name is derived from the seabirds which it resembles and from the Polish aircraft designer Zygmunt Puławski who started using this design in his planes.
The cantilever two-part wing had a rectangular centre section and tapering outer sections from approximately ⅓-span. A thickened Göttingen 549 section was chosen for the wing root transitioning to Göttingen 549 [clarification needed] at the fourth rib then to NACA 0009 at the tip with 5° wash-out at the tips. Large DFS-style airbrakes ...
It was made out of wood and fabric with cantilevered 'gull' wings. A B-version in 1938 had thinner wings with a modified section and the gull's kink in a different place. The undercarriage was non-retractable. It was the first glider built to carry water-ballast in a tank behind the pilot.
The Schleicher Condor, also referred to as the Dittmar Condor, is a series of German high-wing, single and two-seat, gull winged, gliders that were designed by Heini Dittmar in the 1930s, produced in small quantities before the Second World War, produced again between 1952 and 1955 by Alexander Schleicher GmbH & Co and also by Ferdinand Schmetz.
The general layout of the glider was inspired by the Lippisch Fafnir II. [1] [2] The Zanonia is an all-wood design, with a mid-gull wing. Take-off is performed from a dolly and landing is on a fixed skid. Only one was built and it is registered as an amateur-built. [1] [2] [3]
During the early 1930s there was a dearth of high-performance gliders that could be flown by relatively inexperienced pilots. To remedy this shortcoming Fred Slingsby modified the Grunau Baby design with longer gulled wings and rounded fuselage formers skinned with plywood, resulting in the T.6 Kirby Kite.
The RRG Fafnir, named after the legendary dragon, was a single seat German high performance glider designed by Alexander Lippisch. It won the Rhön competition in 1931 and made several outstanding flights as well as setting a fashion for gull wings.
The Ibex was designed by Hall to investigate the reduced wetted area of the pod and boom configuration, hands off spiral stability of a gull wing, and the low speed performance of wide NACA slotted flaps. It also features a V tail, 135 lb (61 kg) of water ballast and a 15 m (49.2 ft) wingspan to comply with FAI Standard Class rules. [3]