ASW 20 from hangar 9


Soaring offers a sense of adventure that uniquely connects a pilot to the environment in a way that’s both relaxing and challenging. Modern composite glider designs are both incredibly efficient and capable of amazing speed, enabling the pilot to conquer conditions as vast as there are sites to soar. Just one such marvel of aerospace technology is the Alexander Schleicher GmbH & Co. ASW 20 sailplane. Designed by Gerhard Waibel, it’s a 15-meter ship that’s proven successful as a trainer and in competition at the World Championship levels.

The Hangar 9® ASW 20 4.7m ARF is a model tribute to the single-seat sailplane. Its dramatic wingspan puts it above the 1/3-scale category; however its light weight allows options not typically found in a giant-scale glider. The sleek fuselage is molded fiberglass right up to the vertical fin for a contoured appearance that’s as elegant as the original. Solid carbon-fiber rods support the foam-core wing panels, while balsa sheeting and carbon-fiber spar caps help assure that the HQ 12% airfoil is accurate and rigid. To complement the brilliant painted finish of the fuselage, the wings and horizontal stabilizer are covered in genuine Hangar 9 UltraCote® film.

As you might expect from a model of this caliber, a scale electric retract and electric spoilers are available. The flaps are functional and the horizontal stabilizer is removable just like the full-size. There are even pockets located in the wings for electric spoilers. But the option that takes this masterpiece of soaring to another level is the practical application of an electric motor system. The specially-made spinner (available separately) fits the contour of the nose so that the motor-drive is practically invisible during flight. As a result, the ASW 20 4.7m is a great way to join the world of RC Aero Tow flying as well as a giant-scale electric powered dream machine.

If adding the thrill of giant scale soaring is the way you’d like to climb higher, add the Hangar 9 ASW 20 4.7m ARF to your fleet now.


  • True scale outline of the full-size ASW 20
  • Pure glider or electric powered sailplane options
  • Fiberglass fuselage with a high-gloss painted finish
  • Foam-core wing construction that’s fully sheeted with balsa
  • Carbon-fiber wing joiners and spar caps
  • Pre-hinged flap and aileron control surfaces
  • Ready to accept electric spoilers—sold separately
  • Balsa sheeted rudder and horizontal tail
  • Cockpit tub and crystal clear canopy hatch
  • Electric retract ready
  • Removable T-tail with pre-hinged elevator
  • Complete high-quality hardware package included
  • Genuine UltraCote® film covering
  • Scale decal set included



Schleicher ASW 20

Schleicher ASW 20

The ASW 20 is an FAI 15 metre Class glider designed by Gerhard Waibel and built by Alexander Schleicher GmbH & Co. Its fuselage is nearly identical to the ASW19's, mated to newly designed wings for the 15 metre Class. The prototype first flew in 1977. It proved to be a highly successful glider, winning several World Championships, and was still being flown at this level up to 1995. Developments along its production life included winglets, pneumatic turbulators, and wingtip extensions. It remained in production until 1990, when it was superseded by the ASW27. 765 were built by Schleicher and a further 140 were made under license by Centrair in France.

The ASW20 first flew in 1977 and was an instant success, winning numerous world and national championships. Dick Johnson reported that the ASW20 was the first 15 m glider to demonstrate a measured L/D in excess of 40/1. Roy McMaster, Karl Striedieck and John Seymour won jointly, with others, the world triangle distance record of 1,435 km (892 mi) in 1994 in an ASW20B. ASW20s won 2nd and 3rd places in the FAI 15 metre Class at the 1983 World Championships at Hobbs, NM. ASW20s are still flown in FAI 15 metre Class at Regional and National levels, and are also flown in Sports Class in the United States.

This article is an extract from the Wikipedia article "Schleicher ASW 20", which is released under the Creative Commons Attribution-Share-Alike License 3.0

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Winspan: 4700mm (185 in)
Length: 2740mm (107.9 in)

Weight: 8800 g (19.4 lbs)
Airfoil Shape: SG1202
Approximate Assembly Time: 15-20 Hours
Approximate Flight Time: 20+ minutes
CG (Center of Gravity): 3.75 to 4.125 in (96mm to 106mm) behind leading edge at wing root
Completion Level: Almost Ready-To-Fly
Control Throw (Flaps): 40mm down (Landing) + 2mm speed - neutral cruise - 5mm down thermal
Control Throw - High (Ailerons): 12mm down, 23mm up
Control Throw - High (Elevator): 11mm down, 15mm up
Control Throw - High (Rudder): 40mm left, 40mm right
Control Throw - Low (Ailerons): 10mm down, 21mm up
Control Throw - Low (Elevator): 9mm down, 13mm up
Control Throw - Low (Rudder): 35mm left, 35mm right
Expo (Ailerons): 30%
Expo (Elevator): 20%
Expo (Rudder): 15%
Flaps: Yes
Flying Weight: 19.5 lbs (8800g)
Length: 89.5 in (2740 mm)
Material: Balsa and fiberglass
Minimum Required Radio: 6 channel
Minimum Speed Control: 80 amp
Motor Size: Power 60B 470Kv
Propeller Size: 16x10 folding
Recommended Motor Battery: 5000mAh 6S 22.2V 30C LiPo
Recommended Receiver Battery: 2×4000mAh LiPo
Retracts: Optional
Servos: 7 sailplane, 6 EP
Spinner Size: 1.77 in (45mm)
Trimscheme Colors: White U870, True Red (U866)
Wing Area: 1623.0 sq in (104.7 sq dm)
Wing Loading: 27.5 to 29 oz/sq ft.
Wing Tube Length: 27 in (685mm)
Wing Tube OD: 0.625 in (16mm) solid carbon
Wingspan: 185.5 in (4700 mm)


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