. "The F.V.D. Doris or Dresden Doris, later known as the Akaflieg Dresden D-B2 Doris, was a monoplane glider built in Germany in 1922. It was unusual in having wings which could independently adjust their angles of attack, a feature intended to increase the energy acquired from gusts of wind."@en . . . . . . . . . "9586"^^ . . . . . . . . "1119739718"^^ . . . . "One"@en . "Die F.V.D. Doris (sp\u00E4ter Akaflieg Dresden D-B2 Doris) war ein einsitziges Gleitflugzeug des Flugtechnischen Vereins Dresden (FVD) mit Fl\u00FCgelsteuerung."@de . . . "Horst Muttray and Reinhold Seiferth"@en . "1922"^^ . "Single-seat glider"@en . . . . . "12.2"^^ . . . . . "Historische Deutsche Flugzeuge bis 1945"@en . "9.5"^^ . . . "118.5"^^ . "1"^^ . "The F.V.D. Doris or Dresden Doris, later known as the Akaflieg Dresden D-B2 Doris, was a monoplane glider built in Germany in 1922. It was unusual in having wings which could independently adjust their angles of attack, a feature intended to increase the energy acquired from gusts of wind."@en . . . "1"^^ . . . . . . . . . . . . . . "*Wing loading:"@en . . . . . . . . . "42860043"^^ . . "14.5"^^ . . "195"^^ . . . . . . . "15.5"^^ . "Flugtechnischer Verein Dresden"@en . "met"@en . . . . . . . "G\u00F6ttingen 441"@en . . . "F.V.D. Doris"@de . . . "5.3"^^ . . . . . . . . . . "Die F.V.D. Doris (sp\u00E4ter Akaflieg Dresden D-B2 Doris) war ein einsitziges Gleitflugzeug des Flugtechnischen Vereins Dresden (FVD) mit Fl\u00FCgelsteuerung."@de . "F.V.D. Doris"@en .