. . "889"^^ . "The Sopwith Swallow was a British parasol wing fighter aircraft of the First World War. A single example was built, but it saw no production, offering no performance advantages over contemporary biplanes."@en . "113.5"^^ . . "1"^^ . "Sopwith Swallow"@en . . "110"^^ . "Fighter aircraft"@en . "The Sopwith Swallow was a British parasol wing fighter aircraft of the First World War. A single example was built, but it saw no production, offering no performance advantages over contemporary biplanes."@en . "at 10,000 ft"@en . . "28"^^ . . . "1"^^ . . . "imp"@en . . "18500"^^ . "1420"^^ . "2"^^ . "18"^^ . "1"^^ . . . "October 1918"@en . "335.0"^^ . "nine-cylider rotary engine"@en . "War Planes of the First World War: Volume Three Fighters"@en . "9"^^ . . "10"^^ . . "10"^^ . . "2"^^ . "160"^^ .