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Schleicher Poppenhausen
The Schleicher Luftkurort Poppenhausen ((英語:Poppenhausen Health Resort)) or just the Poppenhausen was a two seat glider, available as a dual control advanced trainer, produced in Germany from 1928.
==Design and development==
The Poppenhausen was an enlarged, tandem two-seat version of the single seat Schleicher Hols der Teufel. It was developed by Alexander Schleicher for production in his factory in the Wasserkuppe valley, though it is likely that Hans Jacobs, joint chief designer with Alexander Lippisch of the single seater was involved. The Poppenhausen first flew in 1928.〔
The Poppenhausen had a simple, constant-chord wing much like that of the Hols der Teufel though of 16% greater span, built around two spars and fabric covered except at the leading edge which was plywood skinned. Its broad, constant chord ailerons were longer than those of the Hols der Teufel, ending at the blunt, rounded tips. The wing was supported over the fuselage by two vertical cabane struts, one on each side of the forward cockpit and a single, vertical strut centrally behind the rear cockpit. Two faired, parallel lift struts on each side ran from the lower forward fuselage to the wing at about 40% of the span.〔
The Poppenhausen had a light nacelle fuselage extending well behind the wing trailing edge and ending at a forward leaning vertical knife edge.The forward cockpit was largely ahead of the leading edge and the rear one under the wing. Behind the wing the fuselage had the same flat, cross braced girder form as the Hols der Teufel, with a horizontal upper beam, its first diagonal brace within the nacelle. The tailplane was mounted on top of the horizontal beam, its leading edge straight and strongly swept. Cropped, parallel chord elevators had a central cut out for rudder movement. The fin was under the tailplane, formed by fabric covering between the last two vertical fuselage fames. Its upright, balanced, near rectangular rudder was hinged on the extended, final vertical frame member. The Poppenhausen landed on a rubber sprung skid which ran from the nose to a little beyond the aft lift struts.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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