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__NOTOC__ The HP-18 is a Richard Schreder-designed metal Racing Class sailplane that was offered as a kit for homebuilding during the 1970s and 1980s. ==Design and development== The HP-18 is a flapped (15-meter) sailplane featuring a V-tail and 90-degree flaps for glidepath control. The fuselage is composed of a prefabricated composite forward fuselage and a semi-monocoque aft fuselage, and features steeply reclined seating and a side-stick controller〔 although modifications using a conventional stick have been made. Major features: *Very low cockpit with reclining seating position *Sidestick (changed to conventional stick by some homebuilders) *Two-piece canopy (changed to single piece forward opening by some homebuilders) *V-tail that folds upwards for easy storage *Wing structure composed of spars with caps pre-machined from solid aluminium plate and aluminium wing skins bonded to closely spaced foam ribs *Fiberglass fuselage pod, wing tip skids and tail fairings *Aluminium tail cone *Winglets added by some homebuilders *Water ballast carried inside the hollow aluminium wing spars *Typical Schreder trailing edge flaps/airbrakes partially interconnected with the ailerons 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Schreder HP-18」の詳細全文を読む スポンサード リンク
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