Transportation

Transportation

Any mode or method of locomotion that serves to move people, goods or services from one location to another.

15Categories 47993Terms

Add a new term

Contributors in Transportation

Become a Contributors

Transportation > Railway

grate

Transportation; Railway

The base of the firebox upon which the fire rests. It comprises a grill of firebars with gaps between them to allow air in to assist with the combustion process. See also Drop ...

grate area

Transportation; Railway

The statistic used to determine the fire capacity of a locomotive. Early locomotives had grate areas of about 6 sq. ft. The most recent UK designs approached 50 sq. ft and the ...

hadfield steam reverser

Transportation; Railway

A popular and common type of steam assisted reverser seen occasionally in the UK but popular on the larger types of locomotives in Africa and India.

hammer blow

Transportation; Railway

The force exerted by the thrust of the connecting rod on the crank and transmitted to the rail with each revolution of the driving wheel. Rotating masses must be balanced but ...

heating surface

Transportation; Railway

The total of the area of the firebox walls and boiler tubes providing heating contact with boiler water and therefore the most important indication of steam production capability.

heating valve

Transportation; Railway

A valve provided in the locomotive cab to allow steam to be supplied to the train heating pipe through a reducing valve. A pressure gauge was also provided.