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  1. Thrust reversal - Wikipedia

    • On aircraft using jet engines, thrust reversal is accomplished by causing the jet blast to flow forward. The engine does not run or rotate in reverse; instead, thrust reversing devices are used to block the blast and redirect it forward. See more

    Overview

    Thrust reversal, also called reverse thrust, is the temporary diversion of an aircraft engine's thrust for it to act against … See more

    Principle and uses

    A landing roll consists of touchdown, bringing the aircraft to taxi speed, and eventually to a complete stop. However, most commercial jet engines continue to produce thrust in the forward direction, even when … See more

    Types of systems

    Small aircraft typically do not have thrust reversal systems, except in specialized applications. On the other hand, large aircraft (those weighing more than 12,500 lb) almost always have the ability to reverse thrust. … See more

    Operation

    In most cockpit setups, reverse thrust is set when the thrust levers are on idle by pulling them farther back. Reverse thrust is typically applied immediately after touchdown, often along with spoilers, to improve de… See more

    Effectiveness

    The amount of thrust and power generated are proportional to the speed of the aircraft, making reverse thrust more effective at high speeds. For maximum effectiveness, it should be applied quickly after touchdown. If activated … See more

    Related accidents and incidents

    In-flight deployment of reverse thrust has directly contributed to the crashes of several transport-type aircraft:
    • On 4 July 1966 an Air New Zealand Douglas DC-8-52 with the registration ZK-NZB crashed … See more

     
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