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Record: 10235 (26/09/2023)
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NER/LNER Raven "C7" Class 4-4-2
General
Designer |
Sir Vincent Raven |
Introduced |
1911 |
Pre-Grouping Company |
North Eastern Railway |
Grouping Company |
London and North Eastern Railway |
Description (1957) |
Class C7. Raven 3-cylinder Atlantics with 6'10' wheels. Originally North Eastern class Z of 50 engines built 1911-18. Scrapping commenced in 1942, all the British Railways' survivors going in 1948. |
Wheel Arrangement |
4-4-2 |
Number Built as C7 |
50 |
First in Service |
07/1911 |
Last in Service |
26/06/1948 |
Manufacturers |
|
Orders |
|
|
|
|
Power
|
C7/1 |
C7/2 |
C7 Uniflow |
Variant Introduced |
1911 |
1911 |
1918 |
Tractive Effort |
19,300lbs |
As C7/1 |
As C7/1 |
Inside Cylinders |
16.5" x 26" (1 off) |
As C7/1 |
As C7/1 |
Inside Valves |
7.5"Piston |
Lentz |
As C7/1 |
Inside Motion |
Stephenson |
As C7/1 |
As C7/1 |
Outside Cylinders |
16.5" x 26" (2 off) |
As C7/1 |
As C7/1 |
Outside Valves |
7.5"Piston |
Lentz |
As C7/1 |
Outside Motion |
Stephenson |
As C7/1 |
As C7/1 |
Wheels
|
C7/1 |
C7/2 |
C7 Uniflow |
Pony |
3' 71⁄4" |
As C7/1 |
As C7/1 |
Drivers |
6' 10" |
As C7/1 |
As C7/1 |
Truck |
4' |
As C7/1 |
As C7/1 |
Locomotive Wheelbase |
29' 6" |
As C7/1 |
As C7/1 |
Tender Wheelbase |
12' 8" |
As C7/1 |
As C7/1 |
Total Wheelbase |
53' 37⁄8" |
As C7/1 |
As C7/1 |
Descriptive Wheelbase |
6' 6" + 7' 5" + 7' 7" + 8' 0" + (11' 1⅞") + 6' 4" + 6' 4" = 53' 3⅞" |
As C7/1 |
As C7/1 |
Dimensions
|
C7/1 |
C7/2 |
C7 Uniflow |
Length (over buffers) |
63' 83⁄8" |
As C7/1 |
As C7/1 |
Weight (in running order) |
125t 16cwt |
As C7/1 |
As C7/1 |
Weight (loco only) |
79t 4cwt |
As C7/1 |
As C7/1 |
Adhesive Weight |
40t 14cwt |
As C7/1 |
As C7/1 |
Maximum Axle Load |
20t 16cwt |
As C7/1 |
As C7/1 |
Water Capacity |
4,125gal |
As C7/1 |
As C7/1 |
Coal Capacity |
5t 10cwt |
As C7/1 |
As C7/1 |
Boiler & Firebox
|
C7/1 |
C7/2 |
C7 Uniflow |
Boiler Diagram |
BR0 |
As C7/1 |
As C7/1 |
Boiler Pitch |
8' 11" |
As C7/1 |
As C7/1 |
Firebox Type |
Belpaire |
As C7/1 |
As C7/1 |
|