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The truck of a SEPTA Kawasaki light rail vehicle showing the track brake magnets between the wheels. A magnetic track brake (Mg brake) is a brake for rail vehicles. It consists of brake magnets, pole shoes, a suspension, a power transmission and, in the case of mainline railroads, a track rod. When current flows through the magnet coil, the ...
Running wheels are typically the largest set of wheels in the assembly, and roll on the top of the rails. These wheels bear the weight of the train. They are typically made from a polyurethane or nylon/polyurethane blend, [1] while side friction and up-stop wheels can be made of the same materials or steel. Some older wooden roller coasters ...
A comparatively simple brake linkage. In the air brake's simplest form, called the straight air system, compressed air pushes on a piston in a cylinder. The piston is connected through mechanical linkage to brake shoes that can rub on the train wheels, using the resulting friction to slow the train.
Philadelphia's AM General trolley buses operated in service for the last time on June 30, 2003, the last day of trolley bus service on route 79. [30] They were the last AMG-built trackless trolleys in service anywhere, because the only other transit system to use such vehicles, Seattle, retired its last AM Generals in March 2003. [31]
A brake wear indicator is used to warn the operator of a vehicle that the brake pad is in need of replacement. The main area of use for this is on motor vehicles with more than three wheels. However brake wear indicators are also useful for brake pads in industrial applications, including wind turbines and cranes. [1] [2]
In the 2014 season, the power output of the MGU-K (The replacement of the KERS and part of the ERS system that also includes a turbocharger waste heat recovery system) was increased from 60 kW to 120 kW and it was allowed to recover 2 mega-joules per lap. This was to balance the sport's move from 2.4-litre V8 engines to 1.6-litre V6 engines. [41]
The brake pad and disc (now both having the friction material), then "stick" to each other, providing the friction that stops the vehicle. In disc brakes, there are usually two brake pads per disc rotor, they both function together. These are held in place and actuated by a caliper affixed to the wheel hub or suspension upright. Racing calipers ...
1 ft 11 + 1 ⁄ 2 in (597 mm) Bogie Tender designed to run with Feldbahn locomotives. [37] Hudswell Clarke: D564 1930 4wDM 2 ft (610 mm) ex Beswicks Lime works Hindlow quarries. Was once part of the Gloddfa Ganol` collection. [37] Hunslet: 605 Margaret: 1894 0-4-0 T: 1 ft 11 + 3 ⁄ 4 in (603 mm) Small Quarry Class. ex Penrhyn Quarrry Railway ...