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Glaser-Dirks DG-400

 

dg400

 

The DG400 is a single-seater motor glider version of the DG202, with a dorsally-mounted 43hp Rotax engine driving a tractor airscrew and electrically retractable backwards into the fuselage.
 
Fuel capacity is 4.5 Imp gallons, with optional extra fuel tanks in each wing. Detachable wing tips can be fitted to the DG400/15 to increase the span to 17m for Open Class competition, in which form it becomes the DG400/17. Without the tip extensions, the 15 m version carries 20 kg / 43 lb more payload, but with higher sink rate (0.60 m/s / 1.97 fps / 1.17 kt ) and lower L/D (41).
 
The DG400 prototype first flew in May 1981 in the hands of Walter Binder, and first production deliveries were planned for December 1981.
 
B. Brunzil of Switzerland raised the world 500 km speed triangle record to 170.06 kph/ 91.8 kt/ 105,7 mph flying a DG-400.
 
DG-400/15
Span: 49 ft 2.5 in
Length: 23 ft 0 in
Empty weight: 595 lb
Max take-off weight: 1,058 lb
Sink rate: 0.60 m/s / 1.97 fps / 1.17 kt
L/D: 41
 
DG-400/17
Span: 55 ft 9 in
Length: 23 ft 0 in
Empty weight: 610 lb
Max take-off weight: 992 lb
 
DG-400/17 M
Wing span: 17m / 55.8ft
Wing area: 10.57sq.m / 113.8sq.ft
Empty Weight: 310kg / 683lb
Payload: 155kg / 342lb
Gross Weight: 460kg / 1014lb
Wing Load: 43.52kg/sq.m / 8.91lb/sq.ft
Aspect ratio: 27.3
MinSink: 0.50 m/s / 1.64 fps / 0.97 kt
No. of Seats: 1
L/DMax: 45 @109 kph / 59 kt / 69 mph
Airfoil: Wortmann FX67-K-170-17 root, FX-60-K-126 tip
Structure: carbon wing, fiberglass fuselage/tail
Engine: Rotax 503, 32 kW/ 43 bhp
 
 
 
 
 

 

 


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