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Dive brakes or ''dive flaps'' are deployed to slow down an aircraft when in a dive. They often consist of a metal flap that is lowered against the air flow, thus creating drag and reducing dive speed.〔Crane, Dale: ''Dictionary of Aeronautical Terms, third edition'', page 168. Aviation Supplies & Academics, 1997. ISBN 1-56027-287-2〕 In the past dive brakes were mostly used on dive bombers, which needed to dive very steeply, but not exceed their red line speed in order to drop their bombs accurately. The airbrakes or spoilers fitted to gliders often function both as landing aids and to keep the aircraft's speed below its maximum permissible indicated air speed in a vertical dive. Most modern combat aircraft are equipped with air brakes, which perform the same function as dive brakes.〔 ==Applications== *Douglas SBD Dauntless *Junkers Ju 87 *Nelson Hummingbird PG-185B *Schweizer SGS 2-33 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「Dive brake」の詳細全文を読む スポンサード リンク
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