Northrop Primary Glider / Zogling
The Northrop Primary is a copy of the original German Zogling (Pupil) dating back to 1926.
Thousands of Primaries were built all over the world starting with the Grunau 9 by Edmund Schneider. The Zogling was copied and modified by many. In Britain Slingsby got started with a copy called the "Dagling"
Wingspan: 10 m
Wing area: 15 sq.m
Wing chord: 1.5 m
Length: 5.428 m
Empty weight: 86 kg
Takeoff weight: 170 kg
Aspect ratio: 6.7