avia.wikisort.org - Glider
The Mü-27 is a research glider aircraft that designed and built in Germany in 1979. Only one example was constructed.
| Mü-27 | |
|---|---|
 | |
| Role | Glider aircraft |
| National origin | Germany |
| Manufacturer | Akaflieg München |
| First flight | 24 February 1979 |
| Number built | 2 |
Development
Germany had established Akademische Fliegergruppe at several universities after World War I. The first and lead group was established in Berlin, but one of the most prolific, up to World War II, was Akaflieg München, and design activities continued after World War II.
The Akaflieg München Mü-27 is a two-seat research aircraft intended to explore the performance characteristics of slotted Fowler flaps when used on a high-performance Sailplane. The Mü-27 is a large glider. The empennage and fuselage are constructed of glassfibre re-inforced plastic with conticell foam sandwich cores throughout. The wings have aluminium alloy spars and webs.
The full-span slotted flaps/ailerons extend and retract in and out of the wing trailing edge, increasing the area of the wings by up to 36%. A tall retractable undercarriage and a T-tail reduce the risk of damage during field landings and reduce drag when in flight. Flight trials commenced at Oberpfaffenhofen airfield with Thomas Fischer at the controls.
Specifications (Mü-27)
Data from Coates, Andrew. “Jane's World Sailplanes & Motor Gliders new edition”. London, Jane's. 1980. ISBN 0-7106-0017-8
General characteristics
- Crew: 1 pilot
- Capacity: 1 passenger
- Length: 10.3 m (33 ft 10 in)
- Wingspan: 22 m (72 ft 2 in)
- Height: 1.8 m (5 ft 11 in)
- Wing area: 17.6–23.9 m2 (189–257 sq ft)
- Aspect ratio: 27.5 - 20.3
- Airfoil: Wortmann FX-67-VC-170/136
- Empty weight: 480 kg (1,058 lb)
- Gross weight: 700 kg (1,543 lb)
Performance
- Maximum speed: 280 km/h (174 mph, 151 kn)
- Maximum glide ratio: 47 at 101 km/h (55 kts)
- Rate of sink: 0.56 m/s (110 ft/min)
See also
References
Coates, Andrew. “Jane's World Sailplanes & Motor Gliders new edition”. London, Jane's. 1980. ISBN 0-7106-0017-8
External links
На других языках
[de] Akaflieg München Mü 27
Die Akaflieg München Mü 27 ist ein Segelflugzeug der studentischen Fliegergruppe Akaflieg München, bei dem die sogenannte Wortmann-Klappe – also eine im Flug veränderbare Flügelgeometrie – erprobt wurde. Das Flugzeug gilt mit einem maximalen Startgewicht von 900 kg als das schwerste Segelflugzeug der Welt und steht heute in der Flugwerft Schleißheim, einer Außenstelle des Deutschen Museums in München.- [en] Akaflieg München Mü27
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