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Record: 10235 (26/09/2023)
(Free MySQL Counter)
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GNR/LNER Ivatt "C1" Class 4-4-2
General
| Designer |
Henry Ivatt |
| Introduced |
1902 |
| Pre-Grouping Company |
Great Northern Railway |
| Grouping Company |
London and North Eastern Railway |
| Description (1957) |
Class C1. Ivatt's large Great Northern Atlantics with 2 outside cylinders and 6'8" wheels. A class of originally 93 engines built between 1902-10. Of the 17 survivors to come into British Railways' stock, all were taken out of service by 1950, but the original engine, G.N.R. No. 251, has been preserved. |
| Wheel Arrangement |
4-4-2 |
| Number Built as C1 |
94 |
| First in Service |
06/1904 |
| Last in Service |
27/11/1950 |
| Manufacturers |
|
| Orders |
|
|
|
|
Power
|
Standard |
Piston Valves |
No. 3292 |
No. 1421 |
No. 1300 |
No. 3279 |
C1 Booster |
| Variant Introduced |
1902 |
1910 |
1905 |
1907 |
1907 |
1915 |
1923 |
| Miscellaneous Differences |
Slide Valves, 2 x cylinders, 19 x 24" |
Piston Valves, 2 x cylinders, 20" x 24" |
Ivatt's Compound, Walshaerts & Stephenson valve gear |
As Standard |
Vulcan Compound |
Gresley 4 Cylinder simple rebuild, Walschaerts valve gear |
Booster mechanism |
| Tractive Effort |
15,649lbs |
17,340lbs |
21,326lbs |
As Standard |
As Standard |
21,128lbs |
As Standard |
| Inside Cylinders |
|
|
16" x 26" (2 off) |
|
|
15" x 26" (2 off) |
|
| Inside Valves |
|
|
Slide |
|
|
8"Piston |
|
| Inside Motion |
|
|
Stephenson |
|
|
Walschaerts |
|
| Outside Cylinders |
19" x 24" (2 off) |
20" x 24" (2 off) |
13" x 20" (2 off) |
As Standard |
As Standard |
15" x 26" (2 off) |
As Standard |
| Outside Valves |
Slide |
8"Piston |
Slide |
As Standard |
As Standard |
8"Piston |
As Standard |
| Outside Motion |
Stephenson |
Stephenson |
Walschaerts |
As Standard |
As Standard |
Walschaerts |
As Standard |
Wheels
|
Standard |
Piston Valves |
No. 3292 |
No. 1421 |
No. 1300 |
No. 3279 |
C1 Booster |
| Pony |
3' 8" |
As Standard |
As Standard |
As Standard |
3' 2" |
3' 2" |
As Standard |
| Drivers |
6' 8" |
As Standard |
As Standard |
As Standard |
As Standard |
As Standard |
As Standard |
| Truck |
3' 8" |
As Standard |
As Standard |
As Standard |
As Standard |
As Standard |
As Standard |
| Locomotive Wheelbase |
26' 4" |
26' 41⁄4" |
As Standard |
As Standard |
As Standard |
As Standard |
As Standard |
| Tender Wheelbase |
13' |
As Standard |
As Standard |
As Standard |
As Standard |
As Standard |
As Standard |
| Total Wheelbase |
48' 51⁄2" |
48' 53⁄4" |
As Standard |
As Standard |
As Standard |
48' 33⁄4" |
50' 63⁄4" |
| Descriptive Wheelbase |
6' 3" + 5' 3" + 6' 10" + 8' 0" + (9' 1½") + 7' 0" + 6' 0" = 48' 5½" |
6' 3" + 5' 3¼" + 6' 10" + 8' 0" + (9' 1½") + 7' 0" + 6' 0" = 48' 5¾" |
As Standard |
As Standard |
As Standard |
6' 3" + 5' 3" + 6' 10" + 8' 0" + (1' 11¾") + 7' 0" + 6' 0" = 48' 3¾" |
As Standard |
Dimensions
|
Standard |
Piston Valves |
No. 3292 |
No. 1421 |
No. 1300 |
No. 3279 |
C1 Booster |
| Length (over buffers) |
57' 101⁄4" |
As Standard |
As Standard |
As Standard |
59' 11⁄2" |
57' 81⁄4" |
59' 111⁄2" |
| Weight (in running order) |
112t 14cwt |
As Standard |
109t 18cwt |
As Standard |
113t 7cwt |
116t 12cwt |
As Standard |
| Weight (loco only) |
69t 12cwt |
As Standard |
69t 0cwt |
As Standard |
70t 5cwt |
73t 10cwt |
74t 2cwt |
| Adhesive Weight |
40t 0cwt |
As Standard |
40t 18cwt |
As Standard |
As Standard |
As Standard |
As Standard |
| Maximum Axle Load |
20t 0cwt |
As Standard |
20t 0cwt |
As Standard |
As Standard |
As Standard |
As Standard |
| Water Capacity |
3,500gal |
As Standard |
3,670gal |
As Standard |
As Standard |
As Standard |
As Standard |
| Coal Capacity |
6t 10cwt |
As Standard |
5t 0cwt |
As Standard |
As Standard |
As Standard |
As Standard |
|