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0-6-0 Tender
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Z Miscellaneous

The T.W. Worsdell J71 (NER Class E) 0-6-0 Tank Engines

J71 No. 285 (D.Hey)

When T.W. Worsdell arrived at the North Eastern Railway (NER) in 1885, he was faced with a significant backlog in boiler repairs and replacements. This was partly because the boiler shops at Gateshead were being reorganised. It was also partly due to the large numbers of locomotives built during the early 1870s coming up for boiler replacements. Many of these locomotives were short-coupled saddletanks such as the '44' Class locomotives, which found little favour with T.W. Worsdell. Therefore T.W. Worsdell introduced a replacement standard shunting engine in 1886. Unlike his other standard types, the new Class E (LNER J71) engines lacked Joy valve motion and compound expansion. Therefore they were really a side tank development of the existing '44' locomotives.

The J71s proved to be a good standard shunting engine for the NER's needs, and 120 were built between 1886 and 1895. Production only ceased when W. Worsdell (T.W. Worsdell's brother) took over and fitted smaller wheels and larger cylinders to produce the J72 (NER Class E1).

Some second-hand material was used during the building of the first batch of ten J71s. Nine of these had 4ft wheels instead of the class standard 4ft 6in wheels. It appears that eight received the correct 4ft 6in wheels before they were withdrawn, although records are patchy.

Another variation on the early locomotives, was that of the frame ends. The first eighteen J71s had square-cut frames which ended below the buffer beams. Angle brackets were fitted to hold vertical oak planks. These planks acted as buffers when moving the NER's characteristic cauldron wagons.

The last twenty engines were built with larger 16.75 diameter cylinders. These had the same stroke of 22in as the standard 16in cylinders. At various times, J71s were rebuilt with 16in, 16.5in, 16.75in, 17in, and 18in diameter cylinders. Both the NER and LNER performed these rebuilds, but specific records are sketchy and there are a number of discrepancies between NER and LNER records.

J71 No. 8286 in LNER green livery, at York in 1947

The same boiler design was used on the J72, and boilers were swapped indiscriminately between the two classes after Grouping (1923). The thickness of the butt-jointed barrel plates was increased from from 3/8in to 7/16in before Grouping (1923). 1/2in thick plates were fitted after 1936. The earlier boilers were fed through clack boxes on the side of the boiler barrel ahead of the side tanks. Later boilers were fed via the faceplate. Ramsbottom safety valves were initially fitted, but Ross pop valves were fitted after 1914. Escaping steam from the pop valves could obscure visibility during shunting, so many crews fitted covers around the valves. This was eventually recognised by the workshops, and 'official' Ramsbottom-style covers were fitted from about 1938.

The J71s used for pilot duties in the Newcastle and Gateshead areas, had a red spectacle glass mechanism fitted. A lamp was fitted on a special bracket on the right side of the smokebox, and the red spectacle glass could be turned in-front of this. The glass was operated by a rod that passed into the cab. Hence, the driver could change the lamp colour to red without leaving the footplate. This was fitted before Grouping, and remained in use until after Nationalisation (1948).

The J71s had steam brakes as standard. Some of the J71s also had vacuum brakes fitted for passenger pilot duties after 1909. A small number of J71s were dual fitted with Westinghouse brakes. At Grouping (1923), most of the J71s had single steam brakes, although all combinations of dual braking also existed.

Many of the J71s were allocated to the coastal ports served by the NER. The J71s were well suited to the sharp curves and weight restrictions found in most docks. Many were also used for local trip work to and from the freight depots and wharves. The J71s were also a familiar sight as station pilots on the East Coast route. Two (Nos. 237 and 1167) were specially maintained for passenger pilot duties, and served at York for over sixty years. Another two (Nos. 263 and 1142) were used for towing dead engines at Darlington Works. The wagon shops at Shildon also used J71s to move crippled wagons.

J71 No. 1199 at Hull in 1932

By Grouping (1923), the 120 J71s were allocated to 22 sheds, and they continued their NER-era duties into LNER ownership. Despite their wide usage by the NER and LNER, Heaton was the only shed north of the Tyne to received J71s. After Nationalisation (1948), Tweedmouth would also receive one J71.

By 1930, the J71s were beginning to be replaced by the younger J72s. Withdrawals started in 1933 when the Depression significantly reduced the LNER's goods traffic. Withdrawals continued during the 1930s and 1940s, although there was a pause during World War 2. 81 J71s survived into British Railways (BR) ownership (1948). BR withdrawals were initially slow, but hastened during the 1950s with the advent of 350hp diesel shunters. In 1961, BR No. 68233 (LNER No. 326) was the last J71 to be withdrawn. It had been in service for 74 years.

During the withdrawals of the 1930s, two J71s were sold to collieries. No. 34 was sold in 1936 to Cowpen Coal Co to become their No. 12. In 1938, No. 1144 was sold to Ryhope Coal Co. to become their No. 3. They were scrapped in 1954 and 1960, respectively.

Technical Details

The last twenty J71s to be built had 16.75in diameter cylinders. By Grouping (1923), many J71s had received replacement cylinders of diameter 16.5in, 17in, or 18in. Although these differences survived into LNER ownership, the official engine diagrams only recorded 16in and 16.75in diameter cylinders.

The locomotives fitted with 16.75in diameter cylinders had a tractive effort of 13,300lb.

Cylinders (x2): (inside) 16x22in.
Motion: Stephenson
Valves: Slide
Boiler: Diameter (max): 3ft 8in
Length: 10ft
Boiler Pressure: 140psi
Diagram No: 73
Heating Surface: Total: 731 sq.ft.
Firebox: 73 sq.ft.
Tubes: 658 sq.ft. (139x 1.75in dia.)
Grate Area: 11.3 sq.ft.
Wheels: 4ft 7.25in
Total Wheelbase: 13ft 8in
Tractive Effort: (at 85%) 12,130 lb
Length: 28ft 8.75in
Weight: 37t 12cwt
Max. Axle Load: 13t 14cwt
Water Capacity: 690 gallons
Coal Capacity: 1t 5cwt
Geoff Byman's unpainted Connoisseur Models J71 kit

Preservation

None of the J71s survived into preservation.

Geoff Byman's finished Connoisseur Models J71 kit

Models

Finney and Smith produce a 3mm scale kit of the J71.

Jim McGoewn of Connoisseur Models sells and etched kit of the J71 for 7mm scale (O gauge). In the past he has produced a 4mm version, but this has been discontinued.

Acknowledgements

Thanks to Geoff Byman FRPS who provided the above pictures of his Connoisseur Models O gauge J71 and Parkside 10 ton fish van.

Thank you to David Hey for the photograph of J71 No. 285.



 
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