Duo Discus X
Pilot Approval Requirements: The Duo Discus X is a dual place, advanced glider and requires pilot check out, unless accompanied by an instructor. All pilots should see Pilot Information Section.
The Duo Discus X has landing flaps incorporated into the movement of the airbrake lever to improve its approach control, giving steeper and slower approaches, it also has winglets to improve thermal flying and a sprung and lower retractable undercarriage. This makes it slightly harder to get in because the distance between the cockpit and ground is increased but the wings have a slightly higher angle of attack.
The Duo Discus 'X' is a further development of the Duo Discus. New airfoil, flaps-linked-to-air-brakes system, winglets and damped main wheel at the original plane. Glide ratio 1:46 at 100 km/h or 54 knots.
Download the Duo Discus Polar and Specifications sheet (PDF 158KB
Download information Duo Discus Flight Manual (3.1MB)
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Schempp-Hirth Duo Discus Specifications
Performance:
L/D Max: 45 100 kph / 54kt / 62 mph --- MinSink: 0.58 m/s / 1.9 fps / 1.13 kt -- Aspect ratio: 24.4
Span | Area | Empty Weight | Payload | Gross Weight | Wing Load | Water Ballast | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
m | ft | sq.m | sq.ft | kg | lb | kg | lb | kg | lb | kg/sq.m | lb/sq.ft | kg | lb |
20 | 65.2 | 16.4 | 175.3 | 410 | 904 | 290 | 549 | 700 | 1453 | 42.7 | 8.74 | 200 | 441 |
Polar:
The factory polar chart shows the the sink of the glider at particular speeds flown - based on standard gross weights (wet and dry). You should memorize your the speeds to fly and be able to quote them from memory. Where else can you find speeds to fly?
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Instrument Panels
- This Duo Discus X (MG) is very well equipped for serious Cross Country flying.
- ClearNav GPS Moving Map Navigation - Front and Rear
- Cambridge 302 & 303 - Front and Rear
- PowerFlarm
- Altimeters, Variometers, Radio, Transponder
Weight and Balance
You must be aware of the weight and balance envelope of the glider you are flying. Know how to add weights as required to stay within the correct moment.
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