Railway

Railway

Relating to the infrastructure developed for the transport of trains.

Industry: Transportation

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Railway

smokebox

Transportation; Railway

The leading end of the boiler through which exhaust steam from the cylinders passes and gases from the fire are drawn to exit via the chimney.

smokebox door

Transportation; Railway

An opening at the front of the smokebox to allow access for the removal of ash drawn through the boiler tubes from the fire. The door must be kept air tight to ensure that the maximum draught is ...

saddle tank

Transportation; Railway

A tank locomotive which has the water tank mounted on top of the boiler so that they take the form of a saddle.

safety valve types

Transportation; Railway

Lock-up, Spring balance, Salter, Pop, Ross Pop are all types of safety valves.

safety valves

Transportation; Railway

Pressure relief valves mounted on top of a boiler or firebox (sometimes both on early locomotives) designed to allow steam to escape if the boiler pressure exceeded the design limit.

sand

Transportation; Railway

Gravity fed sanding of rails ahead of driving wheels to assist traction was first tried in the US in 1836 and in the UK in 1838. Steam assisted sanding was introduced in 1886 in an attempt to ...

In the UK, it was the practice to fit the sandboxes near the running plate, sometimes attached to the wheel splashers. US practice was to add a sand dome to the top of the boiler, in an attempt to ...