hava freni,havalı fren

listen to the pronunciation of hava freni,havalı fren
Turkish - English
air brake
Air brakes are brakes which are used on heavy vehicles such as buses and trains and which are operated by means of compressed air. Either of two kinds of braking systems. The first, used by trains, trucks, and buses, operates by a piston driven by compressed air from reservoirs connected to brake cylinders (see piston and cylinder). When air pressure in the brake pipe is reduced, air is automatically admitted into the brake cylinder. The first practical air brake for railroads was invented in the 1860s by George Westinghouse. The second type, used by aircraft and race cars, consists of a flap or surface that can be mechanically projected into the airstream to increase the resistance of the vehicle to air and lower its speed
brake operated by compressed air; surface projected into an airstream for reducing the speed of an airplane
A railway brake operated by condensed air
hava freni,havalı fren
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