LNWR Prince of Wales Tank Class explained

LNWR 2665 Class
"5ft 6in Tank (Superheated)"
Powertype:Steam
Designer:Charles Bowen Cooke
Builder:LNWR Crewe Works
Serialnumber:4950–69, 5080–96, 5347–56
Buildmodel:1910–1916
Totalproduction:47
Whytetype:4-6-2T
Uicclass:2′C1 n2t
Leadingdiameter:3feet
Driverdiameter:5feet
Trailingdiameter:3feet
Boilerpressure:1752NaN2
Totalsurface:Saturated: 1475square feet
Superheated: 1330square feet
Cylindercount:Two
Cylindersize:Saturated: NaNx
Superheated: 20x
Valvegear:Joy
Valvetype:Piston valves
Operatorclass:5ft 6in Tank (Superheated)
Powerclass:LMS: 4P
Nicknames:Prince of Wales Tank
Withdrawndate:1935–1941
Disposition:All scrapped

The London and North Western Railway (LNWR) Prince of Wales Tank Class was a Pacific tank engine version of the Prince of Wales Class 4-6-0 steam locomotive.

History

Bowen-Cooke's predecessor George Whale had built 50 related Precursor Tank Class 4-4-2 engines. In terms of familial relationships, Prince of Wales Tank was both a superheated and extended version of the Precursor Tank, and a version of the Prince of Wales Class 4-6-0 steam locomotive with side tanks and a bunker which necessitated an extension to the frames and trailing pony truck. They were used on suburban services out of Euston station and from an early date also used on passenger services between Shrewsbury and Swansea (Victoria) over the steeply-graded Central Wales line, a journey of some 120 miles.

The LNWR built 47 of the superheated tanks between 1910 and 1916 under Charles Bowen-Cooke.

LMS service

All passed onto LMS ownership on the 1923 grouping. The LMS renumbered them 6950–6996 and gave them the power classification 4P. Withdrawals started in 1935, their replacements being Class 4 2-6-4T designs by Fowler and Stanier. All were gone by 1941, and no examples were preserved.

Fleet list

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "LNWR Prince of Wales Tank Class".

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