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LNER Gresley "V3" Class 2-6-2T


Class Types
LNER Class V3

General
Designer Gresley
Introduced 1939
Big Four London and North Eastern Railway
Description (1957) Class V1 & V3. Gresley 5'8" 3-cylinder 2-6-2T's, 92 engines built between 1932 and 1939. The last 10 were built new with higher boiler pressure and classified V3, but are identical in appearance with the later locomotives of class V1. Certain engines of class V1 have been rebuilt as class V3.
Wheels 2-6-2T
Number Built as V3 10
Number Scrapped 73
Number Preserved 73
First in Service 09/1939
Last in Service 11/1964
Orders
BuilderOrder #DateSize
Doncaster Works 347 12/1938 10

Illustration
Copyright: RicsRailPics
Power
Variant Introduced 1939
Tractive Effort 24,960lbs
Inside Cylinders 16" x 26" (1 off)
Inside Valves 8"Piston
Inside Motion Gresley
Outside Cylinders 16" x 26" (2 off)
Outside Valves 8"Piston
Outside Motion Walschaerts

Wheels
Pony 3' 2"
Drivers 5' 8"
Truck 3' 8"
Total Wheelbase 32' 3"
Descriptive Wheelbase 8' 6" + 7' 3" + 9' 0" + 7' 6" = 32' 3"

Dimensions
Length (over buffers) 42' 014"
Weight (in running order) 86t 16cwt
Adhesive Weight 59t 2cwt
Maximum Axle Load 20t 0cwt
Water Capacity 2,000gal
Coal Capacity 4t 10cwt

Boiler & Firebox
Boiler Diagram 102HP
Boiler Max Diameter 5'
Boiler Barrel Length 11' 11"
Boiler Pressure 200lbs
Boiler Pitch 8' 9"
Firebox Length 7' 212"
Firebox Grate Area 22.08ft2
Firebox Heating Surface 127ft2
Tube Number 149
Tube Diameter 134"
Tube Area 830ft2
Flue Elements 22
Flue Diameter 514"
Flue Area 368ft2
Total Evaporative Area 1325ft2
Superheater Elements 22
Superheater Element Diameter 1732"
Superheater Element Area 284ft2
Total Heating Area 1609ft2