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Glaser-Dirks DG-600

German single-seat glider, 1987 From Wikipedia, the free encyclopedia

Glaser-Dirks DG-600
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The Glaser-Dirks DG-600 is a glider manufactured by Glaser-Dirks as a successor to the DG-202 and DG-400 series of gliders where carbon fiber reinforced plastics was used.

Quick facts DG-600, Role ...
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Design and development

The DG-600 fuselage is based on the fuselage of the DG-400 but with a more slender tailboom which also incorporates a tailfin ballast tank with a capacity of 7 liters. The design of the canopy and the instrument panel is practically the same as on other DG gliders.

The control surfaces incorporate flaperons which serve as both flaps and ailerons. The wing has a newly designed thinner airfoil and higher aspect ratio than previous types of DG gliders. This gives a higher performance but at a cost of worse slow-speed characteristics, making it less suitable for gliding competitions with frequent gaggles in thermals. The same problem is also noticeable on LS-7 and ASW-24 gliders, where improved performance was to be achieved with thinner airfoils.

The negative effects (i.e. a stall without much warning) of this design are most pronounced on 15-meter wingspan without winglets. These characteristics caused the relative unpopularity of this glider and only 114 aircraft were produced (partially because the moulds were later destroyed in a factory fire). Later versions with 17 and 18 m wingspan offer much better low-speed handling.

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Variants

DG-600/15
original version with 15 m wingspan
DG-600/17
version with 17 m wingspan (later changed to 18 m)
DG-600M
with Rotax 275 engine, capable of self launching
DG-600/18
DG-600M
DG-600/18M

Specifications (15m wings)

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Data from Jane's All the World's Aircraft 1988-89[1]

General characteristics

  • Crew: 1
  • Length: 6.83 m (22 ft 5 in)
  • Wingspan: 15 m (49 ft 3 in)
  • Height: 1.35 m (4 ft 5 in)
  • Wing area: 10.95 m2 (117.9 sq ft)
  • Aspect ratio: 20.55
  • Airfoil: root;HQ-35; tip:HQ-37
  • Empty weight: 255 kg (562 lb)
  • Max takeoff weight: 525 kg (1,157 lb)
  • Water ballast: 180 L (48 US gal; 40 imp gal) in two wing tanks + 7 L (1.8 US gal; 1.5 imp gal) in fin tank for trimming.

Performance

  • Stall speed: 64 km/h (40 mph, 35 kn)
  • Never exceed speed: 270 km/h (170 mph, 150 kn) in smooth air
200 km/h (110 kn; 120 mph) in rough air
200 km/h (110 kn; 120 mph) on aero-tow
150 km/h (81 kn; 93 mph) on winch launch
  • g limits: +5.8 -3.8
  • Maximum glide ratio: 46
  • Rate of sink: 0.56 m/s (110 ft/min)
  • Wing loading: 47.94 kg/m2 (9.82 lb/sq ft) max

NOTE: The following data represent later versions of DG-600

More information DG-600/15, DG-600/18 ...

See also

References

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