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Schultz FS3 Besenstiel
The F.S.3 sailplane was designed and built by Ferdinand Schulz, and also bore the nickname "broomstick". The high-wing has a two-slatted wing with a modified Joukowski profile by Schulz. The roof beams are formed by two spars. The F.S.3 was exclusively made of fir and door hinges, the cover consisting of old army bed covers. The control was by two flaps at the wing tips.
Klaus Heyn built the original FS3, supported by Erich Kristan, 1924 technical assistant with F. Schulz. In 1924 the F.S.3 was not allowed by the Technical Commission (Teko) at the Rhönwettbewerb because of lack of construction strength.
Although of classic formula (horizontal and vertical empennage) the tail plates are fixed. The steering and roll controls are controlled by two triangles at the end of the wing, operated by two independent handles. The structure is wood (round section), in the form of "N".
The glider was tested in secret. On May 11, 1924, Ferdinand Schulz remained in the air during the second German coastal flight competition on the Curonian Spit near Rossitten with his "Broomstick" 8 hours and 42 minutes by using the slope upwind, thus setting a world record.
Length: 4,8 m
Wing span: 12,5 m
Wing area: 18,4 m²
Aspect ratio: 9,8
Empty weight: 47,3 kg
TO weight: 123 kg
Maximum pilot weight: 80 kg
Wing loading: 7,2 kg/m²
Seats: 1

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