LMS Fowler Class 3F.html
 
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LMS Fowler Class 3F
LMS Fowler Class 3F
Preserved 47493 on the Spa Valley Railway with a demonstration freight train.
Power type Steam
Designer Henry Fowler
Builder W. G. Bagnall (32),
Wm. Beardmore & Co. (90),
Hunslet Engine Co. (90),
LMS Horwich Works (15),
North British Locomotive Co. (75),
Vulcan Foundry (120)
Build date 1924–1931
Total production 422
Configuration 0-6-0T
UIC classification Cn
Gauge 4 ft 8½ in (1,435 mm)
Driver size 55 in (1.397 m)
Wheelbase 16.5 ft (5.03 m)
Length 31 ft 4¾ in
Locomotive weight 49.50 long tons (50.3 t)
Fuel type Coal
Fuel capacity 2.25 long tons (2.3 t)
Water capacity 1,200 imp gal (5,500 l)
Boiler LMS type G5½
Boiler pressure 160 psi (1.10 MPa)
Fire grate area 16 sq ft (1.5 m2)
Heating surface: Tubes 967 sq ft (89.8 m2)
Heating surface: Firebox 97 sq ft (9.0 m2)
Superheater type None
Cylinders Two, inside
Cylinder size 18×26 in (457×660 mm)
Valve gear Stephenson, slide valves
Tractive effort 20,835 lbf (92.68 kN)
Class 3F
Nicknames Jinty
Retired 1959–1967
Preserved No. 47324 on the East Lancashire Railway.

The London Midland and Scottish Railway (LMS) Fowler 3F 0-6-0T is a class of steam locomotive, often known as jinty. They represent the ultimate development of the Midland Railway's six-coupled tank engines.

Contents

Introduction

The design was based on rebuilds by Henry Fowler of the Midland Railway 2441 Class introduced in 1899 by Samuel Waite Johnson. These rebuilds featured a Belpaire firebox and improved cab. 422 jinties were built between 1924 and 1930, with it being just one of the Midland designs perpetuated by LMS. They were built by the ex-L&YR Horwich Works and the private firms Bagnall's, Beardmores, Hunslet, North British and the Vulcan Foundry.

Details

Numbers Lot
No.		 Date
built		 Built by Notes
Original 1934
7100–7119 7260–7279 12 1924 Vulcan Foundry 3717–3736
7120–7134 7280–7294 13 1924 North British 23121–23135
7135–7141 7295–7301 14 1924 Hunslet 1460–1466
7142–7149 7302–7309 14 1925 Hunslet 1467–1474
7150–7156 7310–7316 — 1929 W. G. Bagnall 2358–2364 Né SDJR 19–25
16400–16459 7317–7376 34 1926 North British 23396–23455
16460–16509 7377–7426 35 1926 Vulcan Foundry 3948–3997
16510–16518 7427–7435 36 1926 Hunslet 1511–1519
16519–16534 7436–7451 36 1927 Hunslet 1520–1535
16535–16543 7452–7460 37 1926 W. G. Bagnall 2288–2296
16544–19549 7461–7466 37 1926 W. G. Bagnall 2297–2302
16550–16554 7467–7471 50 1928 Vulcan Foundry 4175–4179
16555–16560 7472–7477 50 1927 Vulcan Foundry 4169–4174
16561–16599 7478–7516 50 1928 Vulcan Foundry 4180–4218
16600–16624 7517–7541 51 1928 Beardmore 325–349
16625–16632 7542–7249 52 1927 Hunslet 1558–1565
16633–16649 7550–7266 52 1928 Hunslet 1566–78/82/80/81/79
16650–16669 7267–7586 58 1928 Hunslet 1591–1610
16670–16674 7287–7591 58 1929 Hunslet 1611–1615
16675–16684 7592–7601 59 1928 W. G. Bagnall 2343–2352
16685–16723 7602–7640 60 1928 Beardmore 350–388
16724–16749 7641–7666 60 1929 Beardmore 389–414
16750–16764 7667–7681 82 1931 LMS Horwich Works

When new, they were numbered 7100–7149, 16400–16764. Numbers 7150–7156 were added when the LMS absorbed the Somerset and Dorset Joint Railway locomotives in 1930. In the 1934 LMS renumbering scheme, the locomotives were assigned the series 7260–7681. On the outbreak of the Second World War in 1939 they were initially chosen as the standard shunting locomotive for the War Department, but later the more modern Hunslet "Austerity" 0-6-0ST was chosen in preference. Nevertheless, eight were dispatched to France before its fall in 1940, and only five returned in 1948. Two, 7456 and 7553, were converted to the 5 ft 3 in (1,600 mm) Irish broad gauge in 1944 and 1945 for use on Northern Counties Committee lines in Northern Ireland, becoming the NCC Y Class, nos 18 and 19. A total of 417 thus entered British Railways stock in 1948.

British Railways numbers were the LMS numbers prefixed with '4'. Numbers 47478, 47479, 47480, 47481, 47655 and 47681 were fitted for Push-pull train working.

The first withdrawals started in 1959 and by 1964 half had been withdrawn. The final five survived until 1967, with a further one, 47445 continuing with the National Coal Board.

Preservation

No less than ten have survived to preservation, these being 16576/(4)7493, (4)7279, (4)7324, (4)7327, (4)7357, (4)7383, (4)7406, (4)7445, (4)7564 and (4)7298. Their locations and conditions are:

In fiction

An engine of this type can be seen in the Rev. W. Awdry's The Railway Series book 'The Eight Famous Engines'. The character's name was Jinty, and came from the "Other Railway" (aka British Railways) to help out when the main engines went on a journey to England.

Models

A OO gauge model of the Class 3F was produced by Tri-ang and continued after the company's acquisition by Hornby Railways. In the 2000s Bachmann Branchline released a more detailed OO model. In N gauge Graham Farish produced a model as a "GP Tank" in various liveries including some of other railway companies before later tooling an accurate 'Jinty' model. In O gauge and Gauge 1 Bachmann Brassworks produce an example. In HO (3.5 mm) scale Firedrake Productions produced a small run of 20 kits.

External links

References

  • Rowledge, J.W.P. (1975). Engines of the LMS, built 1923–51. Oxford: Oxford Publishing Company. ISBN 0902888595. 
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London, Midland and Scottish Railway locomotives
Hughes (1923–1925)
Fowler (1925–1931)
Stanier (1932–1944)
Fairburn (1944–1945)
Ivatt (1945–1947)
Other designs
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