"imp"@en . "31334651"^^ . . . . . "NACA 4412"@en . "Sailplane Directory and Soaring"@en . . . "The Briegleb BG-7 is an American strut-braced high-wing, single seat glider that was designed by and produced by the Sailplane Corporation of America as a completed aircraft and also as a kit."@en . . . . "123"^^ . . . . . . . . "13.1"^^ . . . . . . . "250"^^ . . "500"^^ . "174"^^ . . "The Briegleb BG-7 is an American strut-braced high-wing, single seat glider that was designed by and produced by the Sailplane Corporation of America as a completed aircraft and also as a kit."@en . . . "at 36 mph"@en . . . . . . . "1940"^^ . . . . . . . . . "* List of gliders"@en . . "1088797291"^^ . . "20"^^ . . . . . "40.25"^^ . . . "Briegleb BG-7"@en . . . "4.1"^^ . . . . . "3"^^ . . "3"^^ . . . "one"@en . . . . . . "Production completed"@en . "5693"^^ . .