British Rail Class 55

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English Electric Type 5
British Rail Class 55
Class 55 Deltic, Princes St Gardens, Edinburgh, September 1980 Slides259 (10196492076) -crop-.jpg
A Class 55 at Princes Street Gardens, Edinburgh in September 1980.
Type and origin
Power typeDiesel-electric
Builder English Electric at Vulcan Foundry
Build date1961–1962
Total produced22
Specifications
Configuration:
   UIC Co′Co′
  Commonwealth Co-Co
Gauge 4 ft 8+12 in (1,435 mm) standard gauge
Wheel diameter3 ft 9 in (1.143 m)
Wheelbase 58 ft 6 in (17.83 m)
Length69 ft 6 in (21.18 m)
Width8 ft 9+12 in (2.68 m)
Height12 ft 10 in (3.91 m)
Loco weight99 long tons (101  t; 111 short tons)
Fuel capacity900 imp gal (4,100 L; 1,100 US gal)
Prime mover Napier Deltic D18-25, × 2
Generator English Electric DC generator
Traction motors DC traction motors
Transmission Diesel electric
MU working Not fitted
Train heating Steam; later Electric Train Heating
Train brakes Vacuum; later Dual (Air and Vacuum)
Performance figures
Maximum speed100 mph (160 km/h)
Power outputEngines: 1,650  bhp (1,230 kW) × 2 (Total: 3,300  bhp (2,460 kW))
Tractive effort Maximum: 50,000  lbf (222  kN)
Continuous: 30,500  lbf (136  kN)@ 32.5 mph (52.3 km/h) [1] [2]
Career
Operators British Railways
NumbersD9000–D9021; later 55 022, 55 001–55 021
NicknamesDeltics
Axle load class Route availability 5
Withdrawn1980–1982
Preserved55 022 (D9000), 55 002 (D9002), 55 009 (D9009), 55 015 (D9015), 55 016 (D9016) and 55 019 (D9019). Cabs from 55 008 (D9008) and 55 021 (D9021) also preserved.
DispositionSix preserved, remainder scrapped

The British Rail Class 55, also known as a Deltic, or English Electric Type 5 , is a class of diesel locomotive built in 1961 and 1962 by English Electric for British Railways. Twenty-two locomotives were built, designed for the high-speed express passenger services on the East Coast Main Line (ECML) between Edinburgh and London King's Cross. They gained the name "Deltic" from the prototype locomotive, DP1 Deltic (the running number DP1 was never carried), which in turn was named after its Napier Deltic power units.

Contents

At the time of their introduction into service in 1961, the Class 55s were the most powerful single-unit diesel locomotives in the world, with a power output of 3,300  hp (2,500 kW). [3] They had an official maximum speed of 100 miles per hour (160 km/h), and introduced the first regular 100 mph diesel passenger service to Britain, they were however capable of higher speeds than this, and often exceeded their official maximum in service, especially in their later years, with speeds of up to 117 miles per hour (188 km/h), being recorded on level gradients, and up to 125 miles per hour (201 km/h) whilst descending Stoke Bank. [4]

Despite their successes, the Deltics had a relatively short commercial service life of 20 years. From 1978 they were displaced by the next generation of high speed diesels, the "InterCity 125" High Speed Trains (HSTs) and the Deltics were subsequently relegated mostly to secondary services on the Kings Cross to York, Edinburgh and Hull routes, although they continued to operate some top-link trains until 1981, such as the Hull Executive . As a small non-standard fleet with high running costs, no viable alternative use could be found for the Deltics, and all were withdrawn from service between January 1980 and December 1981. Six of the locomotives were saved for preservation.

Background

DP1, the prototype Deltic displays at Preston Riverside in October 2015 Preston Riverside - Deltic.JPG
DP1, the prototype Deltic displays at Preston Riverside in October 2015

In 1955, the English Electric company produced a prototype diesel locomotive at the Dick, Kerr & Co works in Preston, officially named the DP1 but commonly known as Deltic, this prototype experimentally used two Napier Deltic engines which had been developed for marine applications. These unconventional engines were configured in a triangle with an opposed piston design. They ran at high speed (1,500 RPM) more than twice that of conventionally configured engines, which made them very powerful relative to their size and weight, compared to the conventional diesel engines of the era. The locomotive used two of these engines, both rated at 1,650 horsepower (1,230 kW), which gave the locomotive a combined power output of 3,300 horsepower (2,500 kW) for a weight of 106 tons. [3] [4]

The other notable features of the locomotive were its large size by British standards and striking styling, which was inspired by the bulldog nosed American diesels of the era. [3] [4]

At the same time, the management of the British Railways Eastern Region were looking for a replacement for their pre-war fleet of Class A4 steam locomotives for use on top-link expresses on the East Coast Main Line. There was a contemporary (1957) proposal to electrify the ECML, however this had a proposed completion date of 1970. Gerry Fiennes, the traffic manager of the ECML, believed that his expresses should be able to achieve an end-to-end average speed of 70–75 miles per hour (113–121 km/h) in order to remain competitive with other forms of transport, he felt that they could not wait more than a decade for service improvements by electrification when the expanding road network was taking away passengers, and opted instead for high speed-diesel traction as an interim solution. [5]

The management of the Eastern Region were however unimpressed by the performance of the best conventional diesels of the time, the English Electric Type 4, which for a weight of 133 tons, produced 2,000 horsepower (1,500 kW), which meant that their performance was no better than the steam locomotives they were supposed to replace. However, as the Deltic prototype had the necessary power and speed to achieve Gerry Fiennes's desired performance improvements, he persuaded British Railways to purchase a fleet of locomotives based on it. [3] [4]

Production

D9013 The Black Watch at Kings Cross in July 1966 with the Flying Scotsman train, in BR green with small yellow warning panels D9013 The Black Watch(8191899366).jpg
D9013 The Black Watch at Kings Cross in July 1966 with the Flying Scotsman train, in BR green with small yellow warning panels

In March 1958, an order was placed with English Electric for a production fleet of 22 locomotives (reduced from the originally-planned 23 [6] ), replacing more than twice that number (55) of steam locomotives including 35 Nigel Gresley Pacifics; as steam locomotives require substantial time to clean, fuel, and fire, such a reduction in the number of units could be undertaken without a corresponding reduction in working availability. The full order was worth £3,410,000 (equivalent to £100,630,000in 2023), [7] working out at £155,000 (equivalent to £4,570,000in 2023), [7] per locomotive. Due to the complexity of the engine design, which needed specialist maintenance, the locomotives were purchased under a five year service contract, with English Electric agreeing to maintain them, including their engines and generators, for a fixed price; this was British Rail's first such contract. Additional Deltic engines were produced to enable engines to be exchanged regularly for overhaul while keeping the locomotives in service. English Electric trained the British Rail staff at the Doncaster Works in the techniques of maintaining the engines, and after the contract ended, they took over this responsibility. [3] [4]

The production locomotives were built at the Vulcan Foundry at Newton-le-Willows; they were mechanically little changed from the prototype, but differed in appearance with a toned down styling, sporting a more sober colour scheme, and lacking the prototype's large headlight. The production Deltics were also 7 tons lighter than the prototype, weighing in at 99 tons, despite being nearly 2 feet (0.61 m) longer. They were originally planned to be delivered within a year from March 1960, but this deadline was not met, and they were delayed by a year, with the first Deltic entering revenue service in the summer of 1961, with a full service being introduced the following year. [3] [4]

The locomotives were assigned to three locomotive depots: Finsbury Park in London, Gateshead near Newcastle, and Haymarket in Edinburgh. Very soon, all were named; the Gateshead and Edinburgh Haymarket locomotives after regiments of the British Army from the North-East of England and from Scotland, respectively, while Finsbury Park followed the London and North Eastern Railway (LNER) tradition of naming locomotives after winning racehorses. [4]

At the same time, English Electric built a further ten locomotives which were later classified as the Class 23, which had single Napier Deltic engines; these gained the nickname "Baby Deltics" as they were in effect scaled down versions of the Deltics. These locomotives however, were far less successful in service than their larger cousins, and were all withdrawn by 1971. [4]

British Rail service

D9017 The Durham Light Infantry starting its engines at King's Cross on an express to Leeds in July 1966. D9017 The Durham Light Infantry(8190815683).jpg
D9017 The Durham Light Infantry starting its engines at King's Cross on an express to Leeds in July 1966.
Distribution of locomotives,
March 1974 [8]
United Kingdom England adm location map.svg
Red pog.svg
FP
Red pog.svg
GD
Red pog.svg
HA
CodeNameQuantity
FP Finsbury Park 8
GD Gateshead 6
HA Haymarket 8
Total:22

The introduction of the Deltics was a step change in locomotive performance on the East Coast Main Line. [9] Once the entire fleet was delivered into service in 1962, the timetable was accelerated, with the journey time from London to Edinburgh cut by one hour, from seven hours to six; enabled by the Deltics' ability to rapidly accelerate and maintain high speed with a heavy train over long distances. This matched the timing of the pre-war A4-hauled Coronation service, but was achieved without priority over other traffic unlike the earlier LNER train, it was also now the timing of normal standard fare expresses throughout the day, and not just a once-a-day premium fare express. [4]

From 1966 the infrastructure on the ECML was progressively upgraded to allow higher speeds in order to take better advantage of the Deltics' capabilities; this included upgrading the track, and other improvements such as the easing of sharp curves and improving the alignments through various stations. By 1973, these upgrades had allowed another half-hour to be cut from the London–Edinburgh journey time, with the Deltic-hauled Flying Scotsman , timetabled to reach Edinburgh in 5 ½ hours, with one stop at Newcastle, achieving an average speed of 71 mph (114 km/h) over the entire 393-mile (632 km) journey. [3] [4]

On one of O. S. Nock's first Deltic runs (the down Heart of Midlothian loaded to 13 coaches, 530 tons gross) he stated "once the tail of the train was over the 60 mph restriction the throttle was opened to the full, and the surge forward could be felt in the cab. Never previously had I felt a positive thrust in my back when in the second man's seat!" Nock went on to estimate that at 80 mph the locomotive was producing about 2,750 drawbar horsepower. [10]

55008 The Green Howards passes Peterborough on King's Cross to Newcastle in July 1974 55008 , Peterborough.jpg
55008 The Green Howards passes Peterborough on King's Cross to Newcastle in July 1974

As early as 1963, Deltics were recorded exceeding 100 mph, Nock recording 100 mph for 16 miles south of Thirsk with a maximum of 104 miles per hour (167 km/h); he went on to say that such speeds in 1963 were "terrific".

55 002 King's Own Yorkshire Light Infantry at York in Summer 1981, painted in the original two-tone green livery 55 002 "Kings Own Yorkshire Light Infantry" at York Summer 1981.jpg
55 002 King's Own Yorkshire Light Infantry at York in Summer 1981, painted in the original two-tone green livery

The ultimate Deltic performance came on 2 February 1978 with a run on the 07:25 from Newcastle to King's Cross. In some respects, the run was set up (the driver was about to retire) but the speeds were record-breaking. The locomotive was 55 008 The Green Howards; it was hauling 10 coaches (343 tons gross), and on the leg from York to London it achieved a timing of 137 min 15 sec. This included various signal stops and other enforced speed reductions; the net time is estimated at 115 min 45 sec, an average of 97 miles per hour (156 km/h) start to stop. The train achieved 113 miles per hour (182 km/h) on the flat between Darlington and York, 114 miles per hour (183 km/h) at Offord and 125 miles per hour (201 km/h) whilst descending Stoke Bank. [11]

55 015 "Tulyar" at King's Cross after arrival from Peterborough in January 1978. Deltic at Platform 5 - King's Cross, geograph-3379622-by-The-Carlisle-Kid.jpg
55 015 "Tulyar" at King's Cross after arrival from Peterborough in January 1978.

From 1978, the ECML was upgraded to allow 125 mph running, in order to accommodate the InterCity 125s, and although the Deltics were still officially limited to 100 mph, in practice they frequently exceeded this in service.

The fastest regular scheduled Deltic service was the Hull Executive between London and Hull, which was inaugurated in May 1978. The down (northbound) working of this service achieved an average speed of 91.4 mph (147.1 km/h) from King's Cross to its first stop at Retford, making it the fastest regular locomotive-hauled train in Britain at the time. Maintaining this schedule required sustained periods of running above 100 mph. The published logs of some of these runs show that Deltics cruised at up to 110 miles per hour (180 km/h). The Hull Executive was one of the last top-link workings by a Deltic, until 1981, when this service was taken over by HST's. [4] [12]

The Railway Performance Society estimate that on modern infrastructure (the Selby Diversion etc.) a realistic Deltic-hauled schedule from King's Cross to Edinburgh would be around 4 hours 57 minutes (a theoretical unchecked run being around 4 hours 40 minutes). [13] This would be for a train of 11 coaches and include a stop at Newcastle, the latter city being reached in a scheduled 3 hours 6 minutes.

The Deltics had arrived from the manufacturer painted in two-tone green, the dark BR green on top, with a narrower strip of a lighter, lime green along the bottom. This helped to disguise the bulk of the locomotive body. The cab window surrounds were picked out in cream-white. Although delivered without it, they all soon sported the bright yellow warning panel at each end common to all British diesel and electric locomotives, to make them more conspicuous. By 1966 the InterCity branding was introduced, and the Deltics began to be painted in corporate Rail Blue with yellow ends, the change generally coinciding with a works repair and the fitting of air brake equipment, the locomotives originally having only vacuum braking (the first so treated was D9002; the last to be painted blue was D9014). In the early 1970s they were fitted with Electric Train Heating (ETH) equipment to power Mark 2 air-conditioned coaches, while a couple of years later, with the introduction of BR's TOPS computer system, they were renumbered 55 001 to 55 022. [3] [4]

Withdrawal

In the late 1970s, the Deltics began to take on secondary roles, gradually being supplanted by the next generation of express passenger services, namely the "InterCity 125" High Speed Train (HST) which were introduced on the ECML from 1978. At this time, British Rail had a general policy of not maintaining small non-standard fleets of locomotives, and when the HST fleet took over East Coast mainline services, it was obvious the class had a limited future. Various alternative uses for the fleet were examined, but this came to nothing: A significant weakness of the Deltics were their high running costs, due to the complexity of their engine design which required expensive specialist maintenance, which mitigated against their redeployment elsewhere. In their last years, the Deltics mostly operated the semi-fast services between London and York. They were also used on various popular excursions to areas of the country often far outside of their usual operating area, such as Exeter, Bournemouth and Oban. [3] [4]

The "Deltic Scotsman Farewell" railtour at King's Cross on 2 January 1982. Deltic Scotsman Farewell - geograph.org.uk - 2748556.jpg
The "Deltic Scotsman Farewell" railtour at King's Cross on 2 January 1982.
A line of seven withdrawn Deltics at Doncaster Works in August 1982 Class55scraplineZMAug82.jpg
A line of seven withdrawn Deltics at Doncaster Works in August 1982

During 1980 and 1981, the fleet was gradually run down; no new spare parts were ordered for the declining fleet, and the locomotives were gradually withdrawn, and then cannibalised for spares to keep the others running. Withdrawn locomotives were taken to Doncaster for stripping and eventual scrapping. For a time the Deltic scrap line was a major draw for railway enthusiasts. In November 1981, the Doncaster Works dismantled its Deltic engine overhaul facility. [4]

The National Railway Museum selected 55 002 The King's Own Yorkshire Light Infantry for preservation as part of the National Collection. The Friends of the National Railway Museum sponsored the repaint of 55 002 into original green livery for its last eighteen months in traffic, although it carried its TOPS number rather than D9002. [4] As insurance, in case 55 002 should meet with a mishap during its last months, the withdrawn 55 005 The Prince of Wales's Own Regiment of Yorkshire was set aside from breaking up at Doncaster Works until Deltic operation on the main line had concluded.

The final service train run was the 16:30 Aberdeen-York service on 31 December 1981, hauled from Edinburgh by 55 019 Royal Highland Fusilier, arriving in York at just before midnight. [14] The last train was an enthusiast special, the "Deltic Scotsman Farewell", on 2 January 1982, hauled from King's Cross to Edinburgh by 55 015 Tulyar and 55 022 Royal Scots Grey on the return. 55 009 Alycidon shadowed the train in both directions between Peterborough and Newcastle, in case of a failure of the train locomotive. Following the farewell, the surviving Deltics were moved to Doncaster Works, where they were displayed en masse in February 1982, before disposal commenced. [4]

Table of withdrawals
YearQuantity in
service at
start of year
Quantity
withdrawn
Locomotive numbersNotes
198022355 001/003/020
1981191655 002/004-8/010-014/016-019/02155 008 & 021 cabs saved, 55 002/016 & 019 preserved
19823355 009/015/022All three preserved

Accidents and incidents

Preservation

Six locomotives survive; all have run in preservation and all have operated on the mainline, although 55 015 only ran on the mainline at the Rocket 150 event in 1980. Two cabs are also preserved.

Current loco numbers are indicated in bold.

Number (pre-tops)Number (post-tops)NameBuiltWithdrawnLiveryHome BaseStatus
D900055 022 Royal Scots Grey 28 Feb 19612 Jan 1982BR Green [20] Crewe Diesel TMD Operational. Mainline certified
English Electric Class 55 No 55022 (D9000) (8061967705).jpg

Recently acquired from former owners alongside 55 016 for use on mainline railtours. [21]

D900255 002 The King's Own Yorkshire Light Infantry 19 Mar 19612 Jan 1982BR Green National Railway Museum Static display
D9002 at National Railway Museum, York (28184251402).jpg
D900855 008 The Green Howards 7 Jul 196131 Dec 1981Green Undercoat Barrow Hill Roundhouse Cab only
A Deltic simulator carried by a low-loader.jpg

Owned by the Deltic Preservation Society. [22] Cab has since been extended by 5 ft with a working diagram of a Napier Deltic engine's pistons.

D900955 009 Alycidon 21 Jul 19612 Jan 1982BR Blue Barrow Hill Roundhouse Testing, Mainline certified
York National Railway Museum 22.jpg

Owned by the Deltic Preservation Society. [22]

D901555 015 Tulyar 13 Oct 19612 Jan 1982BR Green Barrow Hill Roundhouse Under restoration
D9015 (6934215928).jpg

Owned by the Deltic Preservation Society. [22]

D901655 016 Gordon Highlander 27 Oct 196131 Dec 1981BR Green Margate Static display
D9016 (5624018223).jpg

Recently acquired from former owners alongside 55 022 for use on mainline railtours. Shares its name with LNER Class D40 No. 49 "Gordon Highlander".

Undergone a cosmetic makeover and selected parts removed for use on 55 022. Now on display at LSL's future museum in Margate awaiting an overhaul, with ex-marine engines and new traction motors.

D901955 019 Royal Highland Fusilier 11 Dec 196131 Dec 1981BR Blue Barrow Hill Roundhouse Operational
Diesel Gala, Swanage Railway 02.jpg

Owned by the Deltic Preservation Society. [22]

D902155 021 Argyll & Sutherland Highlander 16 Mar 196231 Dec 1981BR BlueN/ACab only
55021 at Princes Street Gardens.jpg

Owned by The South Wales Loco Cab Preservation Group

Loco details

D9008 (55 008) The Green Howards Simulator cab A Deltic simulator carried by a low-loader.jpg
D9008 (55 008) The Green Howards Simulator cab

Two cabs were saved after withdrawal:

Operations after BR withdrawal

55 022 Royal Scots Grey at the Barrow Hill Engine Shed 55022 Royal Scots Grey.jpg
55 022 Royal Scots Grey at the Barrow Hill Engine Shed
55 022 Royal Scots Grey at Linlithgow, after a railtour, on 7 December 2007 Deltic55022.JPG
55 022 Royal Scots Grey at Linlithgow, after a railtour, on 7 December 2007

Despite the ban on privately owned diesel locomotives operating on BR tracks, railway enthusiasts did not have to wait that long after the final withdrawal of the class to see a Deltic back on the mainline. Following participation in the hastily arranged 'Farewell to the Deltics' open day at British Rail Engineering Limited's Doncaster Works on 27 February 1982, 55 002 left Doncaster under its own power and ran back up the ECML to the National Railway Museum light engine; it was to be some years before a Deltic was officially allowed to run again on the mainline.

The next opportunity to see a Deltic back on the mainline and running under its own power was in April 1985 when D9000 was sent (at the request of ScotRail management) light engine from Haymarket depot to Perth for an open day. Following newspaper comments by ScotRail's manager Chris Green around that time there was hope that D9000 might see regular work on ScotRail's lines. Chris Green's move to the management team at the newly created Network SouthEast in 1986 put paid to that. However, that did not end his involvement with D9000. He arranged for Network South East depots to provide accommodation for both D9000 and D9016 and when he moved on to head up Virgin Rail Group D9000 was used on summer Saturday Virgin CrossCountry services in the late 1990s. [26] [27]

With the changes taking place on Britain's railways in the 1990s, the outlook changed for preserved diesel locomotives. In British Rail days no privately owned diesel locomotives were allowed to operate on its tracks. With privatisation came open-access railways—the track and infrastructure were owned and operated by Railtrack, who for a fee would allow approved locomotives and trains to operate on their track. Suddenly, the owners of preserved locomotives were on an equal footing with everyone else. In fact, the characteristics of the Deltic locomotives, powerful and capable of cruising at 100 mph (160 km/h), enabled them to fit more easily onto the modern rail network than other, slower, preserved diesels.

In 1996 the Deltic 9000 Fund was incorporated as Deltic 9000 Locomotives Ltd (DNLL) with the objective of returning its locomotives to main-line service and on 30 November 1996 D9000 Royal Scots Grey hauled the 'Deltic Deliverance' charter from Edinburgh to King's Cross. This tour however ended prematurely at Berwick-upon-Tweed after a fire broke out in the loco's engine room. D9000 went on to haul many charter trains and service trains for both Anglia Railways and Virgin CrossCountry until 2003. Subsequently, DNLL's other Deltic, D9016 Gordon Highlander returned to main-line working (it was temporarily painted in a purple and grey livery based upon the house colours of Porterbrook, who helped finance the restoration), as did the Deltic Preservation Society's D9009 Alycidon and 55 019 Royal Highland Fusilier. Between 1997 and 2003 all four main-line certified locomotives saw frequent charter and spot hire use, including on the Venice Simplon Orient Express. A highlight of this period was 22 May 1999, when D9000 Royal Scots Grey, D9009 Alycidon and 55 019 Royal Highland Fusilier were all in operation on the East Coast Main Line on the same day – D9000 running the "George Mortimer Pullman" British Pullman between London Victoria and Bradford Forster Square and the DPS Deltics working two charter trains between King's Cross and York. On the return run from Bradford, D9000 was held in platform 1 at Doncaster, whilst 55 019 passed on the up through line. D9000 then followed 55 019 as far as Belle Isle, where it diverged for the run around London to Victoria.

In 2003, DNLL went into liquidation with the result that D9000 and D9016 were sold to private individuals. From July 2003 to March 2005 no Deltics hauled a train on the main line. After a brief return to the main line in 2005 the DPS withdrew their last Deltic (55 019) at the end of 2005, having run three tours during the year. D9015 Tulyar is currently undergoing a full overhaul at Barrow Hill, with the aim of main line operation, whilst 55 002 The King's Own Yorkshire Light Infantry is currently painted in BR blue, main line certificated, and operates from the National Railway Museum. 55 019 remains in full working order along with D9009, whilst D9016 is currently able to operate on one engine only.

55 022 Royal Scots Grey at Castleton East Junction in 2007 55022 at Castleton East Junction.jpg
55 022 Royal Scots Grey at Castleton East Junction in 2007

On 23 September 2006, 55 022 (D9000) Royal Scots Grey returned to the main line after a lengthy and extensive restoration at Barrow Hill, carried out on behalf of the owners by the DPS. It successfully hauled the SRPS 'Moray Mint' railtour from Edinburgh to Inverness, via Perth on the outward trip and back via Aberdeen. On its second working two weeks later, severe damage occurred to the number 2 end engine. The engine suffered from a leg out of bed, a term which means the engine con-rod breaks out of the engine crankcase. This left Royal Scots Grey still able to operate but on one engine only. By January 2007, the faulty power unit was removed from 55 022, put into storage and replaced by an ex-marine Napier Deltic engine modified for rail use; work was completed by Royal Scots Grey's restoration team in August 2007. After extensive testing at the East Lancs Railway the locomotive hauled its first tour since the previous engine malfunction on RTC's 'Autumn Highlander' with 50 049 and 40 145 in October 2007. 55 022 successfully hauled a number of charter tour services during 2008 but the replacement marine-sourced engine gave rise for concern following the discovery of oil in the coolant and at the end of August the locomotive was removed from future large railtour duties. The locomotive continued working mainline duty by visiting other preserved railway and moving other non-mainline registered locomotives.

In mid January 2007, an agreement was reached between heritage railway Peak Rail and the owner of D9016 Gordon Highlander which entailed the move of the locomotive from Barrow Hill to the preserved line for a period of three years. It had been thought that D9016 would receive certain maintenance and restoration while on the railway. However, the sale of the locomotive to the Harry Needle Railroad Company and subsequent announcements indicated that the weekend runs of 27 and 28 September 2008 [28] might be its last prior to component recovery and eventual scrapping. Despite previous indications to the contrary, HNRC put the locomotive up for sale during the last week of September 2008 and although the Gordon Highlander Preservation Group submitted a substantial bid it was not accepted and the immediate future (and owner) of the locomotive was shrouded in some mystery.

On 18 September 2009, 55 022 Royal Scots Grey is seen in Grosmont station, shortly after arrival from Pickering, during the NYMR's annual Diesel Gala. Class 55 no. 55022 at Grosmont, 18.09.2009.jpg
On 18 September 2009, 55 022 Royal Scots Grey is seen in Grosmont station, shortly after arrival from Pickering, during the NYMR's annual Diesel Gala.

Subsequently, in October 2008, DRS announced in a press release [29] that it had acquired D9016 Gordon Highlander from Harry Needle Railroad Company (HNRC): "The company is working with HNRC to return the locomotive to operational condition, although at the time of writing (June 2009) the locomotive is still stored at Barrow Hill awaiting attention. While the locomotive is not planned for an immediate return to service, DRS is confident that the locomotive will be returned to mainline service in the future. DRS intends to retain the locomotive's name". On 29 December 2009, it was announced that D9016 had been purchased by Beaver Sports (Yorks) Limited. It has subsequently operated (on one engine) on the East Lancashire Railway and the Great Central Railway, pending work to restore it to full working order.

In April 2011, 55 022 was hired in by GB Railfreight for bauxite freight working between North Blyth and the Lynemouth aluminium smelter. This hire was scheduled to last from April to July. [30] [31] From May 2013 to November 2015, 55 022 was chartered by GBRF to transfer First ScotRail EMU's for refurbishment. [32] These included the entire fleet of Class 334s, which were moved between Yoker and Kilmarnock. The route taken, partially to prevent false fire alarms in underground tunnels caused by the Deltic engine's emissions, takes the train as far as Craigendoran on the north bank of the Clyde before turning round toward Kilmarnock.

On 29 November 2017 it was announced via the official Royal Scots Grey website that 55 022 and D9016, plus all spares, had been sold by Martin Walker to Locomotive Services Limited, [33] with both making the trip to LSL's Crewe Diesel TMD base in December 2017. [34] It is intended that both locomotives will ultimately be repaired (55 022 currently has engine problems and D9016 is coming to the end of bodywork repairs) and operated on the mainline alongside Hosking's sizable locomotive fleet. [35] By June 2018, 55 022 was under repair while D9016 had been placed in store and was transferred, cosmetically restored, to Locomotive Storage Limited's facility at Margate. [36]

55 022 arrives at North Blyth on 26 September 2011 with a train of aluminium oxide wagons. 55022 North Blyth 26Sept2011.jpg
55 022 arrives at North Blyth on 26 September 2011 with a train of aluminium oxide wagons.

Fleet details

Key:PreservedCab onlyScrapped


Original
Number
TOPS
number
NameBuiltDepotWithdrawnStatus
D900055 022 Royal Scots Grey 28 February 1961Haymarket2 January 1982Preserved by Locomotive Services Limited [33] – Under Repair.
D900155 001 St Paddy 23 February 1961Finsbury Park5 January 1980Scrapped BREL Doncaster February 1980.
D900255 002 The King's Own Yorkshire Light Infantry 19 March 1961Gateshead31 December 1981Preserved by the National Railway Museum – Static Display.
D900355 003 Meld 27 March 1961Finsbury Park31 December 1980Scrapped BREL Doncaster March 1981.
D900455 004 Queen's Own Highlander 10 May 1961Haymarket28 October 1981Scrapped BREL Doncaster August 1983.
D900555 005 The Prince of Wales's Own Regiment of Yorkshire 25 May 1961Gateshead8 February 1981Scrapped BREL Doncaster February 1983.
D900655 006 The Fife & Forfar Yeomanry 29 June 1961Haymarket8 February 1981Scrapped BREL Doncaster July 1981.
D900755 007 Pinza 22 June 1961Finsbury Park31 December 1981Scrapped BREL Doncaster August 1982.
D900855 008 The Green Howards 7 July 1961Gateshead31 December 1981Scrapped BREL Doncaster August 1982. (One cab preserved and used as simulator.)
D900955 009 Alycidon 21 July 1961Finsbury Park2 January 1982Preserved – Under Repair, Mainline Registered
D901055 010 The King's Own Scottish Borderer 21 July 1961Haymarket24 December 1981Scrapped BREL Doncaster May 1982.
D901155 011 The Royal Northumberland Fusiliers 24 August 1961Gateshead8 November 1981Scrapped BREL Doncaster November 1982.
D901255 012 Crepello 4 September 1961Finsbury Park18 May 1981Scrapped BREL Doncaster September 1981.
D901355 013 The Black Watch 14 September 1961Haymarket20 December 1981Scrapped BREL Doncaster December 1982.
D901455 014 The Duke of Wellington's Regiment 29 September 1961Gateshead22 November 1981Scrapped BREL Doncaster February 1982.
D901555 015 Tulyar 13 October 1961Finsbury Park2 January 1982Preserved – undergoing major overhaul
D901655 016 Gordon Highlander 27 October 1961Haymarket30 December 1981Preserved by Locomotive Services Limited [33] – Static Display.
D901755 017 The Durham Light Infantry 9 November 1961Gateshead31 December 1981Scrapped BREL Doncaster January 1983.
D901855 018 Ballymoss 24 November 1961Finsbury Park12 October 1981Scrapped BREL Doncaster January 1982.
D901955 019 Royal Highland Fusilier 11 December 1961Haymarket31 December 1981Preserved – Operational, Mainline Registered.
D902055 020 Nimbus 12 February 1962Finsbury Park5 January 1980Scrapped BREL Doncaster January 1980. [37]
D902155 021 Argyll & Sutherland Highlander 16 March 1962Haymarket31 December 1981Scrapped BREL Doncaster August 1982. (One cab preserved.)

Proposed Deltic locomotives

A 72 long tons (73.2 t) Bo-Bo locomotive, using a single 18-cylinder Deltic engine, was proposed as an alternative to what became the British Rail Class 37 Type 3 locomotive introduced from 1960. [38]

A Co-Co "Super Deltic" was proposed but not built. [39] There were three potential designs between 4,000 and 4,600 hp (2,983 and 3,430 kW) weighing between 114 and 119 long tons (116 and 121 t) with a maximum axle load of 19 long tons (19.3 t). [40] The locomotives would have looked very similar to the eventual Class 50s, though slightly longer. [41] All three designs would have had two 18-cylinder turbocharged engines, based on the 9-cylinder turbocharged engine used in the British Rail Class 23 "Baby Deltic" and the locomotive would have been designated Class 51. The Class 55's engines were not turbocharged, although they did have centrifugal scavenging blowers.

Model Railways

The first OO gauge model was produced by Hornby Dublo in 2 versions. D9012 "Crepello" was the 2 rail version and D9001 "St Paddy" was the 3 rail version. The second OO gauge model was produced by Lima, in two versions initially: D9003 "Meld" in BR Green; and 9006 "The Fife & Forfar Yeomanry" in BR Blue. The same models were also released in N gauge (1:160 scale), however these did not last very long, as Lima eventually decided to concentrate its British outline output on OO gauge.

Bachmann have since released a new version of the "Deltic", in both the OO gauge "Branchline" range and their N gauge "Graham Farish" range. Bachmann have also produced the "Deltic Prototype" in OO gauge (previously only available as a plastic kit from either Kitmaster or Dapol), however this had been commissioned by Locomotion Models – the model railways arm of the Nation Railway Museum – and was not generally available in model shops. A "Graham Farish" N gauge model is available, as a stand-alone model, and as part of the "Merseyside Express" train set.

In 2012 Hornby Railways launched a version of the BR Class 55, which is basic representation of the prototype as part of their Railroad range in BR Blue and BR Green in OO gauge. [42] This model was essentially the old Lima tooling with a new chassis.

Accurascale announced a new range of OO gauge "Deltics", in a wide variety of liveries, which released in summer 2022. [43] [44]

In February 2023 Hornby announced a new diecast Dublo tooling in OO gauge of the Deltic prototype locomotive, English Electric DP1 'Deltic', fitted with sound (R30297TXS). [45]

See also

References and sources

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References

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  26. "Virgin Trains puts Deltic back into scheduled passenger service" Rail issue 311 13 August 1997 page 8
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  33. 1 2 3 55022 & D9016 New Owners Royal Scots Grey 29 November 2017
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  37. Rumours persist that Nimbus was not scrapped and was sighted intact afterwards. However, there are also photographs of it already dismantled, as officially claimed. "Photographs of 55 020 Nimbus being scrapped".
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  44. "English Electric Type 5 – Class 55 'Deltic'".
  45. "R30297TXS Hornby Dublo: BR, English Electric DP1, Co-Co, DP1 'Deltic' – Era 4 (Sound Fitted)".

Sources

Further reading