brake flap

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• Dive brake — The dive brakes on this SBD Dauntless are the slotted panels visible under the wings. Dive brakes or dive flaps are deployed to slow down an aircraft when in a dive. They usually consist of a metal flap that is raised against the air flow, thus… …   Wikipedia

• air brake — 1. a brake or system of brakes operated by compressed air. 2. Aeron. a device for reducing the air speed of an aircraft by increasing its drag. 3. a device for stopping the sails of a windmill by disrupting the flow of air around them. [1870 75,… …   Universalium

• dive brake — noun a small parachute or articulated flap to reduce the speed of an aircraft • Syn: ↑airbrake • Hypernyms: ↑restraint, ↑constraint * * * noun : a retractable usually hinged flap that may be extended into the airstream to increase the aerodynamic …   Useful english dictionary

• Bicycle brake — Animation of a single pivot side pull calliper brake for the rear wheel of a steel framed road bike. A bicycle brake is used to slow down or stop a bicycle. There have been various types of brake used throughout history, and several are still in… …   Wikipedia

• Bicycle brake systems — are used to slow down, or brake a bicycle. There have been various types through history, and several are still in use today.HistoryEarly bicycles such as the high wheeled penny farthing bikes were fitted with spoon brakes. As they were fixed… …   Wikipedia

• air brake — noun 1. : a brake operated by a piston driven by compressed air from reservoirs connected to brake cylinders by triple valves which upon reduction of air pressure in the brake pipe automatically admit air from the reservoirs into the brake… …   Useful english dictionary

• speed brake — n. an airplane flap designed to decrease flight speed, esp. when landing * * * …   Universalium

• air brake — noun 1》 a brake worked by air pressure. 2》 a movable flap or other device on an aircraft to reduce its speed …   English new terms dictionary

• air brake — /ˈɛə breɪk/ (say air brayk) noun 1. Aeronautics a hinged flap or other extendible device for reducing the speed of an aircraft. 2. a brake or system of brakes operated by compressed air …  

• speed brake — n. an airplane flap designed to decrease flight speed, esp. when landing …   English World dictionary

• speed brake — speed brake, any flap designed for slowing down an airplane in flight …   Useful english dictionary