Glossary Results for Word "Combustion Chamber"
|Combustion Chamber||When discussing railway locomotives, this refers to an area within the boiler where gases are burnt, or combusted. This normally takes place inside the firebox. Some LNWR Locomotives (e.g. the Greater Britain and John Hick classes) had an additional combustion chamber part-way along the boiler which was intended to re-ignite unburnt matter, thereby releasing additional energy and reducing smoke. In reality it is unlikely that re-ignition actually occurred and it necessitated having four troublesome tube plates in each boiler instead of the normal two.|