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  2. Brake run - Wikipedia

    en.wikipedia.org/wiki/Brake_run

    Friction brakes, commonly called fin brakes, involve a computer-controlled clamping system that squeeze metal fins attached underneath the train. [1] Friction brakes can be used to slow or stop the train and are the most common form of brakes found on modern roller coasters. [1] They can involve thick metal box beams or thin metal plates.

  3. Brake - Wikipedia

    en.wikipedia.org/wiki/Brake

    Drag – Brakes have varied amount of drag in the off-brake condition depending on design of the system to accommodate total system compliance and deformation that exists under braking with ability to retract friction material from the rubbing surface in the off-brake condition. Durability – Friction brakes have wear surfaces that must be ...

  4. Disc brake - Wikipedia

    en.wikipedia.org/wiki/Disc_brake

    A disc brake is a type of brake that uses the calipers to squeeze pairs of pads against a disc (sometimes called a [brake] rotor) [1] to create friction. [2] There are two basic types of brake pad friction mechanisms: abrasive friction and adherent [ further explanation needed ] friction. [ 3 ]

  5. Electromagnetic brake - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_brake

    Electromagnetic brakes or EM brakes are used to slow or stop vehicles using electromagnetic force to apply mechanical resistance (friction). They were originally called electro-mechanical brakes but over the years the name changed to "electromagnetic brakes", referring to their actuation method which is generally unrelated to modern electro-mechanical brakes.

  6. Air brake (road vehicle) - Wikipedia

    en.wikipedia.org/wiki/Air_brake_(road_vehicle)

    Truck air-actuated disc brake. An air brake or, more formally, a compressed-air-brake system, is a type of friction brake for vehicles in which compressed air pressing on a piston is used to both release the parking/emergency brakes in order to move the vehicle, and also to apply pressure to the brake pads or brake shoes to slow and stop the vehicle.

  7. Electric friction brake - Wikipedia

    en.wikipedia.org/wiki/Electric_friction_brake

    This describes the electrically controlled drum brake principles. The brake is built with the brake shield (1) as a base that contains the mechanism. The brake shield is mounted on an axle/spindle using the holes in the centre. The brake shoes (3) are the items performing the braking by pressing outwards at the drum that covers all the innards.

  8. Opponents of school choice hope to hit the brakes this ...

    www.aol.com/opponents-school-choice-hope-hit...

    Next week’s elections bring a front for the school choice fight as voters in three states face ballot initiatives on the issue, an arena where advocates have not yet seen a win. Kentucky ...

  9. Electric brake - Wikipedia

    en.wikipedia.org/wiki/Electric_brake

    Electric brake is an ambiguous term meaning more than one thing: Dynamic braking, Braking using magnetic currents either to charge a battery or waste as heat; Electric friction brake, Electrically controlled friction brake; Track brake; Regenerative brake; Eddy current brake, Braking using eddy currents