drag brake
31Disc brake — Close up of a disc brake on a car On automobiles, disc brakes are often located with …
32Drum brake — A drum brake with the drum removed as used on the rear wheel of a car or truck. Note that in this installation, a cable operated parking brake uses the service shoes …
33Air brake (aircraft) — In aeronautics, air brakes are a type of flight control used on aircraft to reduce speed during landing.Air brakes differ from spoilers in that air brakes are designed to increase drag while making little change to lift, whereas spoilers greatly… …
34Murphy brake — The Murphy brake is a drum brake with shoes that pinch the drum via a rotating fork. In contrast, most drum brakes use either shoes that press only on the inside of the drum, or shoes that press only on the outside of the drum, like a band brake …
35Air brake (road vehicle) — Air brakes are used in trucks, buses, trailers, and semi trailers. George Westinghouse first developed air brakes for use in railway service. A safer air brake was patented by him on March 5, 1872. Originally constructed for use on trains, and… …
36air 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… …
37air 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,… …
38dive 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 …
39Dive 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… …
40air brake — air′ brake n. 1) mac a brake or system of brakes operated by compressed air 2) aer. a device for reducing the air speed of an aircraft by increasing its drag • Etymology: 1870–75, amer …
