The Briegleb BG-12 is a single-seat sailplane of wooden construction developed in the United States in the 1950s. It was marketed for homebuilding in plans or kit form, with over 350 sets of plans selling by 1978. The BG-12 is a conventional sailplane design, with a high cantilever wing and a conventional empennage. Later models featured a highly-revised fuselage, a swept-forward tail fin, and an all flying tailplane with balance tabs.
Flapless 15 metre wing to meet FAI Standard Class requirements, one built.
BG 12/16
Revised, lower-drag fuselage and tail fin, all flying tailplane
Jobagy Bagyjo
BG-12 fuselage and empennage with Cherokee II Wings. Built in 1962 by John Jobagy, currently on display at the Aero Space Museum of Calgary
Niedrauer NG-1
BG-12/16 fuselage shortened 9 inches and lengthened to accommodate reclined pilot position. BG-12B Horizontal tail. Airfoil changed to a NACA 4400 series. L/D of 35:1 at 55 mph (89 km/h).
