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Duo DiscusX 5.3m


Scale: 1:3.75
Wing Span: 5.33 m (210")
Length: 2.3 m (91")
Wing Area: 109 dm2 (1689 sq. in.)
Wing Airfoil: HQ 3/15 - 12
Wing Loading: 96 g/dm2 (52 oz/sq. ft.)
Flying Weight: 10.5 kg (23 lbs)
Radio: Standard radio
Micro servos for the wings

Duo Discus X 5,33 m


The Duo Discus X is the current two-place sailplane in production at Schempp-Hirth in Germany. It’s triple-taper leading edge and forward swept wings span 20 m giving it a glide ratio of 45:1 and a wonderful graceful appearance in the air. Although it has performance similar to the original single place Discus, this glider was designed for training, making it more forgiving and very popular with the pilots.

With a span of 5.3 meters this 1:3.75 scale Duo Discus X is one of our finest Super Scale gliders.  The cockpit comes completely finished with control columns, upholstered seats, seat belts, and many other scale details such as instrument mushrooms complete with instruments. The true to scale canopy is hinged sidewise and includes preinstalled working sliding windows that allow access to the canopy locking mechanism.  All that remains for the builder to do is add one or two scale pilots for complete realism.

Super scale cockpit outfit

The wings and all control surfaces are of very accurate hollow-moulded construction. The well-proven HQ airfoil gives this fine model its smooth and versatile flying characteristics. This model is comfortable on a slope and can be winch launched but is at it’s best when aero-towed. Its thermalling performance is exceptional and the wings are sufficiently strong to withstand some aerobatics. Like its full-scale counterpart, the forward swept, triple tapered wing plan form looks especially graceful and unique in the air.

For even greater scale realism, an optional fully installed Up-and-Go system is available that will allow for ROG takeoffs and multiple climbs to soaring altitude. The unit comes preinstalled, just behind the wing. Fuselage strength has been strengthened with carbon fibre and bulkheads for additional strength. The up-and-go unit itself is constructed of moulded fibreglass making it strong and light. Pre-hinged doors, and a special servo to raise and lower the unit are included. This set-up makes this sailplane ideal for the scale flyer who does not have access to aerotow. Call us so we can recommend the motor, battery and speed controller combination that will give you the performance you are looking for. 

With the level of completion of this glider, only a few hours of work are required before it will be ready to take to the air. The wings and control surfaces are hollow moulded and completely finished. Airbrakes are installed and ready to be connected to your servos. Wings come with interlocking wing joiner system. The high gloss, gel coated Fiberglas fuselage comes with the functional retract, tail and nose wheels, and a fully functional aero tow release installed.  Decals are applied. A small package of hardware and instructions complete the kit.

Radio requirements are two micro servos for the ailerons and two for the flaps, two micro servos for the airbrakes and four regular servos for the elevator, rudder, retract, and tow release.

Duo Discus X (5.33 m) FG  super scale RTF kit,
Duo Discus XT
(5.33 m) FG super scale RTF self launch glider kit, price: inquiry

Duo Discus XT with scale self launch system



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