. "at 50 mph"@en . . "Wortmann FX-61-184"@en . . "Jay and Rod Gehrlein"@en . . . . . . . "31746390"^^ . . . . "1088802448"^^ . . . . . . . . . . "Sailplane Directory and Soaring"@en . . "Kits no longer available"@en . "458"^^ . "20"^^ . . . "At least five"@en . "The Gehrlein GP-1 is an American mid-wing, single seat FAI Standard Class glider that was designed by Jay and Rod Gehrlein and first flown in July 1968."@en . . . "662"^^ . . "5.5"^^ . . . "120"^^ . . "15"^^ . . . "One"@en . . "35"^^ . "imp"@en . . . . . . "4724"^^ . . "120"^^ . . . . "Gehrlein GP-1"@en . "* List of gliders"@en . . . . . . . "July 1968"@en . . "The Gehrlein GP-1 is an American mid-wing, single seat FAI Standard Class glider that was designed by Jay and Rod Gehrlein and first flown in July 1968."@en . .