604 Glasflugel   

General Details
Manufacturer: Glasflugel
Plane Name:


Classified as: Unclassified
Country Of Origin: Germany
Designer: Hanle/ Prosser
No. of Seats 1
No. Built 11
L/DMax: 49 98 kph / 53 kt / 61 mph
MinSink: 0.50 m/s / 1.64 fps / 0.97 kt


Span Area Empty Weight Payload Gross Weight Wing Load Water Ballast
m ft sq.m sq.ft kg lb. kg lb. kg lb. kg
kg lb.
22 72.17 16.26 175 420 926 180 397 600 1230 36.9 7.57 0 0
Aspect ratio: 29.8
Airfoil: Wortmann FX-67-K-1 70
Structure: fiberglass

The 604 was a 22 m. span development of the Kestrel 17. First flying early in 1970, it finished sixth in the 1970 World Championships at Marfa, and also came second in the Open Class at the 1974 World Championships at Waikerie, Australia. Originally intended as a development vehicle for a two-seat high performance sailplane, the 604 has a three-piece wing weighting more than 272/ 600 lb.; just the center section weights 160 kg/ 353 lb. The wing has six flaps, the outer pair of which move at a 2:1 differential with the ailerons. Large spoilers deploy from the upper wing surface only, and there is a tail chute for added approach control.


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