Bavarian A V engines were 2-2-2

2-2-2

Under the Whyte notation for the classification of steam locomotives, 2-2-2 represents the wheel arrangement of two leading wheels on one axle two powered driving wheels on one axle, and two trailing wheels on one axle. The wheel arrangement both provided more stability and enabled a larger firebox...

 steam locomotives in service with the Royal Bavarian State Railways

Royal Bavarian State Railways

As a nation-state, Germany did not come into being until the creation of the German Empire in 1871 from the various German-speaking states such as Prussia, Bavaria, Saxony, Baden and Württemberg. By then each of the major states had formed its own state railway and these continued to remain...

 (Königlich Bayerische Staatsbahn).

This class was the first express train

Express train

Express trains are a form of rail service. Express trains make only a small number of stops, instead of stopping at every single station...

 locomotive with the Bavarian

Kingdom of Bavaria

The Kingdom of Bavaria was a German state that existed from 1806 to 1918. The Bavarian Elector Maximilian IV Joseph of the House of Wittelsbach became the first King of Bavaria in 1806 as Maximilian I Joseph. The monarchy would remain held by the Wittelsbachs until the kingdom's dissolution in 1918...

 state railways. It was developed from the Class A IV

Bavarian A IV

Bavarian A IV engines were German 2-2-2 steam locomotives with the Royal Bavarian State Railways .The vehicles were developed for night journeys and operations on the North-South Railway. In order to increase the area of the evaporator, the boiler was increased in length to 3,080 mm and in diameter...

. Unlike the A IV, the Class A V had a lower-pitched boiler

Boiler

A boiler is a closed vessel in which water or other fluid is heated. The heated or vaporized fluid exits the boiler for use in various processes or heating applications.-Materials:...

 and a wider firebox. In addition access to the valve gear

Valve gear

The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle...

 was improved. Later still the vehicles were fitted with a steam dome

Steam dome

A Steam dome is a vessel fitted to the top of the boiler of a steam locomotive. It contains the opening to the main steam pipe and its purpose is to allow this opening to be kept well above the water level in the boiler...

. Because engines on the southern side of the Danube

Danube

The Danube is a river in the Central Europe and the Europe's second longest river after the Volga. It is classified as an international waterway....

 were fired with peat

Peat

Peat is an accumulation of partially decayed vegetation matter or histosol. Peat forms in wetland bogs, moors, muskegs, pocosins, mires, and peat swamp forests. Peat is harvested as an important source of fuel in certain parts of the world...

, they had a pear-shaped chimney. In addition these locomotives had different dimensions.

They were equipped with a 3 T 4.8 tender

Tender locomotive

A tender or coal-car is a special rail vehicle hauled by a steam locomotive containing the locomotive's fuel and water. Steam locomotives consume large quantities of water compared to the quantity of fuel, so tenders are necessary to keep the locomotive running over long distances. A locomotive...

.

External links

• There is a relevant English-language forum at Railways of Germany