GWR 4000 Class
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A Star class locomotive was a particular type of steam locomotive of the Great Western Railway. The prototype was an experimental locomotive, North Star (originally given number 40), constructed with the 'Atlantic' 4-4-2 wheel arrangement for comparative trials with 4-cylinder compound locomotives of the de Glehn type that had been purchased from France. This established the benefits of the balanced 4 cylinder layout but the designer, George Churchward, decided that he would continue the class with simple steam expansion, and also with the 4-6-0 wheel arrangement he had introduced with the 2900 class. As in the de Glehn design, the outer cylinders drove the centre driving axle, the inside pair of cylinders were set well forward and drove the leading driving axle.
In the production class (4001 to 4072) there were just two set of Walschaerts valve gear between the frames, the valves to the outside cylinders being driven by rocking levers.
An enlarged version of the design was introduced in 1923, this was the Castle Class locomotive, of which about 170 were constructed, including some rebuilds from the 'Star' class.
One, 4003 Lode Star, survives in preservation as a static, non-working, exhibit.
[edit] List of locomotives
| Numbers | Names | Notes | ||
|---|---|---|---|---|
| First | Second | Third | ||
| 40 / 4000 | North Star | Rebuilt as Castle Class 4000 | ||
| 4001 | Dog Star | |||
| 4002 | Evening Star | |||
| 4003 | Lode Star | Preserved at National Railway Museum, York | ||
| 4004 | Morning Star | |||
| 4005 | Polar Star | |||
| 4006 | Red Star | |||
| 4007 | Rising Star | Swallowfield Park | ||
| 4008 | Royal Star | |||
| 4009 | Shooting Star | Rebuilt as Castle Class 4009 | ||
| 4010 | Western Star | |||
| 4011 | Knight of the Garter | |||
| 4012 | Knight of the Thistle | |||
| 4013 | Knight of St. Patrick | |||
| 4014 | Knight of the Bath | |||
| 4015 | Knight of St. John | |||
| 4016 | Knight of the Golden Fleece | Rebuilt as Castle Class 4016 | ||
| 4017 | Knight of the Black Eagle | Knight of the Léige | ||
| 4018 | Knight of the Grand Cross | |||
| 4019 | Knight Templar | |||
| 4020 | Knight Commander | |||
| 4021 | King Edward | British Monarch | ||
| 4022 | King William | Belgian Monarch | Denamed in 1940 | |
| 4023 | King George | Danish Monarch | Denamed in 1940 | |
| 4024 | King James | Dutch Monarch | ||
| 4025 | King Charles | Italian Monarch | Denamed in 1940 | |
| 4026 | King Richard | Japanese Monarch | Denamed in 1941 | |
| 4027 | King Henry | Norwegian Monarch | ||
| 4028 | King John | Romanian Monarch | Denamed in 1940 | |
| 4029 | King Stephen | Spanish Monarch | ||
| 4030 | King Harold | Swedish Monarch | Denamed in 1940 | |
| 4031 | Queen Mary | |||
| 4032 | Queen Alexandra | Rebuilt as Castle Class 4032 | ||
| 4033 | Queen Victoria | |||
| 4034 | Queen Adelaide | |||
| 4035 | Queen Charlotte | |||
| 4036 | Queen Elizabeth | |||
| 4037 | Queen Philippa | Rebuilt as Castle Class 4037 | ||
| 4038 | Queen Berengaria | |||
| 4039 | Queen Matilda | |||
| 4040 | Queen Boadicea | |||
| 4041 | Prince of Wales | |||
| 4042 | Prince Albert | |||
| 4043 | Prince Henry | |||
| 4044 | Prince George | |||
| 4045 | Prince John | |||
| 4046 | Princess Mary | |||
| 4047 | Princess Louise | |||
| 4048 | Princess Victoria | |||
| 4049 | Princess Maud | |||
| 4050 | Princess Alice | |||
| 4051 | Princess Helena | |||
| 4052 | Princess Beatrice | |||
| 4053 | Princess Alexandra | |||
| 4054 | Princess Charlotte | |||
| 4055 | Princess Sophia | |||
| 4056 | Princess Margaret | |||
| 4057 | Princess Elizabeth | |||
| 4058 | Princess Augusta | |||
| 4059 | Princess Patricia | |||
| 4060 | Princess Eugenie | |||
| 4061 | Glastonbury Abbey | |||
| 4062 | Malmesbury Abbey | |||
| 4063 | Bath Abbey | Rebuilt as Castle Class 5083 | ||
| 4064 | Reading Abbey | Rebuilt as Castle Class 5084 | ||
| 4065 | Evesham Abbey | Rebuilt as Castle Class 5085 | ||
| 4066 | Malvern Abbey | Sir Robert Horne | Viscount Horne | Rebuilt as Castle Class 5086 |
| 4067 | Tintern Abbey | Rebuilt as Castle Class 5087 | ||
| 4068 | Llanthony Abbey | Rebuilt as Castle Class 5088 | ||
| 4069 | Margam Abbey | Westminster Abbey | Rebuilt as Castle Class 5089 | |
| 4070 | Neath Abbey | Rebuilt as Castle Class 5090 | ||
| 4071 | Cleeve Abbey | Rebuilt as Castle Class 5091 | ||
| 4072 | Tresco Abbey | Rebuilt as Castle Class 5092 | ||
[edit] External links
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