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Often, characteristics of both spoilers and air brakes are desirable and are combined - most modern airliner jets feature combined spoiler and air brake controls. On landing, the deployment of these spoilers ("lift dumpers") causes a significant reduction in wing lift, so the weight of the aircraft is transferred from the wings to the undercarriage.
In air-cooled piston engine aircraft, spoilers may be needed to avoid shock cooling the engines. In a descent without spoilers, air speed is increased and the engine will be at low power, producing less heat than normal. The engine may cool too rapidly, resulting in stuck valves, cracked cylinders or other problems.
Air brakes are used to increase drag. Spoilers might act as air brakes, but are not pure air brakes as they also function as lift-dumpers or in some cases as roll control surfaces. Air brakes are usually surfaces that deflect outwards from the fuselage (in most cases symmetrically on opposing sides) into the airstream in order to increase form ...
Trains may use spoilers to induce drag (like an air brake). A prototype Japanese high-speed train, the Fastech 360, is designed to reach speeds of 400 km/h (250 mph). Its nose is specifically designed to spoil a wind effect associated with passing through tunnels, and it can deploy 'ears' that slow the train in case of emergency by increasing ...
The airbrakes or spoilers fitted to gliders often function both as landing aids, to adjust the approach angle, and to keep the aircraft's speed below its maximum permissible indicated airspeed in a vertical dive. Most modern combat aircraft are equipped with air brakes, which perform the same function as dive brakes. [1] [2]
Air brakes are inboard spoilers, I don't think there should be just a hard and fast differentiation between air brakes and spoilers. When you are airbraking on the ground you extend both inboard and outboard spoilers, (or the armed hydraulic system does, after it detects weight on wheels in an airliner), if you are spoiling off speed in the air ...
Front spoiler (air dam) Rear spoiler (wing) Rims. Hubcap; Tire/Tyre; Trim package; ... Air brake nylon hose; Brake duct hose; Hydraulic booster unit; Load-sensing valve;
Also gas pedal. A throttle in the form of a foot-operated pedal, or sometimes a hand-operated lever or paddle, by which the flow of fuel to the engine (and thereby the engine speed) is controlled, with depression of the pedal causing the vehicle to accelerate. admission stroke See induction stroke. aftermarket air brake 1. A type of brake in which the force that actuates the brake mechanism is ...
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3579 S High St, Columbus, OH · Directions · (614) 409-0683