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Flat spot

Index Flat spot

A flat spot, or wheel flat, is a fault in railroad wheel shape. [1]

16 relations: Alloy, Brake shoe, Car, Derailment, Emergency brake (train), Friction, Fuel injection, Metal lathe, Plenum chamber, Rail transport, Rolling stock, Slippery rail, Throttle, Track (rail transport), Wheelset (rail transport), 1971 Salem, Illinois, derailment.


An alloy is a combination of metals or of a metal and another element.

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Brake shoe

A brake shoe is the part of a braking system which carries the brake lining in the drum brakes used on automobiles, or the brake block in train brakes and bicycle brakes.

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A car (or automobile) is a wheeled motor vehicle used for transportation.

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A derailment occurs when a vehicle such as a train runs off its rails.

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Emergency brake (train)

On trains, the expression emergency brake has several meanings.

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Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

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Fuel injection

Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector.

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Metal lathe

A metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials.

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Plenum chamber

A plenum chamber is a pressurised housing containing a gas or fluid (typically air) at positive pressure (pressure higher than surroundings).

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Rail transport

Rail transport is a means of transferring of passengers and goods on wheeled vehicles running on rails, also known as tracks.

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Rolling stock

The term rolling stock in rail transport industry originally referred to any vehicles that move on a railway.

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Slippery rail

Slippery rail or low railhead adhesion, is a condition of railways (railroads) where contamination of the railhead causes trains to experience less adhesion (grip).

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A throttle is the mechanism by which fluid flow is managed by the constriction or obstruction.

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Track (rail transport)

The track on a railway or railroad, also known as the permanent way, is the structure consisting of the rails, fasteners, railroad ties (sleepers, British English) and ballast (or slab track), plus the underlying subgrade.

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Wheelset (rail transport)

A wheelset is the wheel - axle assembly of a railroad car.

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1971 Salem, Illinois, derailment

The 1971 Salem, Illinois, derailment occurred on June 10, 1971, when Amtrak's City of New Orleans passenger train derailed near Salem, Illinois.

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Redirects here:

Flat spot (automobile), Wheel flat.


[1] https://en.wikipedia.org/wiki/Flat_spot

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