. . . . . . "at 470 kg with flaps retracted; 35.06 kg/m\u00B3 flaps extended"@en . "Sailplanes 1965-2000"@en . . . "Notes"@en . . . . "270"^^ . . . . . "best 1:41 at 104 kmh flaps retracted; 1:36 at 85 kmh flaps extended"@en . . . "1978"^^ . . . "75"^^ . "15"^^ . . . . "1083039002"^^ . . "7.405"^^ . . "The Akaflieg Braunschweig SB-11 is an experimental, single seat, variable geometry sailplane designed by aeronautical students in Germany. It won the 15 m span class at the World Gliding Championships of 1978 but its advances over the best, more conventional, opposition were not sufficient to lead to widespread imitation."@en . . . "Experimental single seat sailplane"@en . . "1"^^ . . . . . . "with flaps retracted; 13.2 m\u00B2 flaps extended"@en . . . . . . . ""@en . . "flaps retracted; 58 kmh flaps extended"@en . "The Akaflieg Braunschweig SB-11 is an experimental, single seat, variable geometry sailplane designed by aeronautical students in Germany. It won the 15 m span class at the World Gliding Championships of 1978 but its advances over the best, more conventional, opposition were not sufficient to lead to widespread imitation."@en . . . "Wortmann HQ - 144 - 39 W3"@en . . . . . . . "340"^^ . . . . . . "Germany"@en . . "265"^^ . "0.67"^^ . . . "1"^^ . . . "1"^^ . "10.56"^^ . . . . . . . "minimum; flaps retracted, this is at 104 kmh with flaps extended at 85 kmh"@en . "flaps retracted; 140 kmh flaps extended"@en . . . . "10161"^^ . "Akaflieg Braunschweig SB-11"@en . . . "44.5"^^ . . . "met"@en . "21.3"^^ . . "34571436"^^ . . .