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Record: 10235 (26/09/2023)
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LNER Gresley "B2" Class 4-6-0
Class Types
LNER Class |
B2 |
General
Designer |
Sir Nigel Gresley |
Rebuilt By |
Thompson |
Introduced |
1928 |
Grouping Company |
London and North Eastern Railway |
Wheel Arrangement |
4-6-0 |
Number Built as B2 |
0 |
Number Scrapped |
10 |
Number Preserved |
0 |
Manufacturers |
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|
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Power
Variant Introduced |
1945 |
Tractive Effort |
24,863lbs |
Outside Cylinders |
20" x 26" (2 off) |
Outside Valves |
10"Piston |
Outside Motion |
Walschaerts |
Wheels
Pony |
3' 2" |
Drivers |
6' 8" |
Locomotive Wheelbase |
28' 2" |
Descriptive Wheelbase |
6' 3" + 5' 8" + 7' 3" + 9' 0" (engine only) |
Dimensions
Length (over buffers) |
51' 5" |
Weight (in running order) |
125t 10cwt |
Adhesive Weight |
54t 14cwt |
Maximum Axle Load |
18t 12cwt |
Boiler & Firebox
Boiler Diagram |
100A |
Boiler Max Diameter |
5' 6" |
Boiler Barrel Length |
13' 117⁄8" |
Boiler Pressure |
225lbs |
Boiler Pitch |
9' |
Firebox Length |
9' |
Firebox Grate Area |
27.9ft2 |
Firebox Heating Surface |
168ft2 |
Tube Number |
141 |
Tube Diameter |
2" |
Tube Area |
1033ft2 |
Flue Elements |
24 |
Flue Diameter |
51⁄4" |
Flue Area |
460ft2 |
Total Evaporative Area |
1661ft2 |
Superheater Elements |
24 |
Superheater Element Diameter |
1.244" |
Superheater Element Area |
344ft2 |
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