Engineering:DFS Seeadler
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Revision as of 19:11, 9 July 2022 by imported>OrgMain (add)
Short description: German flying boat sailplane, 1936
| DFS Seeadler | |
|---|---|
| Role | Flying boat sailplane |
| National origin | Germany |
| Manufacturer | Deutsche Forschungsanstalt für Segelflug |
| Designer | Hans Jacobs |
| First flight | 12 November 1936 |
The DFS Seeadler (Sea Eagle) was a German flying boat sailplane designed by Hans Jacobs[1] of the Deutsche Forschungsanstalt für Segelflug (DFS). It was version of the 1935 DFS Rhönadler, with a new fuselage and strongly gulled wings to keep them clear from spray.[2] The aircraft was first flown in the summer of 1935, test piloted by Hanna Reitsch,[3] and towed by a Dornier Do 12.[4]
Specifications
Data from Die deutschen Flugboote : Flugboote, Amphibien-Flugboote u. Projekte von 1909 bis zur Gegenwart,[5] Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie 1944[6]
General characteristics
- Crew: one
- Capacity: 85 kg (187 lb)
- Length: 7.42 m (24 ft 4 in)
- Wingspan: 17.36 m (56 ft 11 in)
- Height: 2.21 m (7 ft 3 in)
- Wing area: 18 m2 (190 sq ft)
- Aspect ratio: 16.75
- Airfoil: root: Göttingen 652; tip: Göttingen 535
- Empty weight: 240 kg (529 lb)
- Gross weight: 325 kg (717 lb)
Performance
- Never exceed speed: 140 km/h (87 mph, 76 kn)
- Maximum glide ratio: 20:1
- Rate of sink: 0.8 m/s (160 ft/min)
- Wing loading: 18 kg/m2 (3.7 lb/sq ft)
References
- ↑ Air Pictorial (Air League of the British Empire) 24: 85. 1962.
- ↑ Simons, Martin (2006). Sailplanes 1920-1945 (2nd revised ed.). Königswinter: EQIP Werbung & Verlag GmbH. pp. 110. ISBN 3-9806773-4-6.
- ↑ Reitsch, Hanna (1997). The Sky My Kingdom (reprint ed.). Guildford and King's Lynn: Stackole Books. p. 105. ISBN 9781853672620.
- ↑ "Dornier Do. 12" (in Russian). Уголок неба. http://www.airwar.ru/enc/flyboat/do12.html. Retrieved August 19, 2009.
- ↑ Gütschow, Fred (1978) (in German). Die deutschen Flugboote : Flugboote, Amphibien-Flugboote u. Projekte von 1909 bis zur Gegenwart (1. Aufl ed.). Stuttgart: Motorbuch-Verlag. pp. 41–43. ISBN 3879435650.
- ↑ Schneider, Helmut (Dipl.Ing.) (1944) (in German). Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie (Facsimile reprint 1986 ed.). Leipzig: Herm. Beyer Verlag. p. 330. ISBN 381120484X.
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