- Timothy Hackworth
Timothy Hackworth (
22 December 1786– 7 July 1850) was a steam locomotiveengineer who lived in Shildon, County Durham, Englandand was the first locomotive superintendent of the Stockton and Darlington Railway.
Youth and early work
Wylamin 1786, Timothy Hackworth [Young, Robert: Timothy Hackworth and the Locomotive; the Book guild Ltd, Lewes, U.K. (2000) (reprint of 1923 ed.)] was the eldest son of John Hackworth who occupied the position of foreman blacksmith at WylamColliery until his death in 1804; the father had already acquired a considerable reputation as a mechanical worker and boiler maker. At the end of his apprenticeship in 1807 Timothy took over his his father's position. Since 1804, the mine owner, Christopher Blackett had been investigating the possibilities of working the mine's short 5-mile colliery tramroad by steam traction. Blackett set up a four-man working group including himself, William Hedley, the viewer; Timothy Hackworth, the new foreman smith and Jonathan Foster, a "wright". The first step in 1808 was the relaying of the Wylam tramway with cast iron plates, until then a simple timber-way. In 1811, the four-man team began investigating the adhesive properties of smooth wheels using a manually operated carriage propelled by a maximum of four men, and in the same year a single-cylinder locomotive devised by one Waters, reportedly on the Trevithick model, was built and tried for a few months with erratic results [Young: ibid p.47-49] .
In the meantime a new "dilly", (the term used to designate all locomotives at Wylam), was put in hand and set to work in the Autumn of 1812. However even Blackett's new cast iron plateway was found inadequate to sustain the weight of a dilly and the subsequent one built in 1813 was carried on two four-wheeled "power bogies" and it is understood that the first one was similarly rebuilt. On the relaying, around 1830, of the Wylam line with wrought iron edge rails, the two locomotives were reverted to the 4-wheel arrangement, continuing to work until the closing of the line in 1862. What is considered to be the earlier of the two engines, now known as "Puffing Billy" is conserved at the
Science Museumin London; the second Wylam Dillyis in the Royal Scottish Museumin Edinburgh.
Although William Hedley is generally credited with the "design" of the locomotives, there is strong evidence that these issued from the aforementioned joint collaboration in which Christopher Blackett was the driving force with Timothy Hackworth playing a preponderant engineering role. Furthermore it subsequently fell to Hackworth to maintain the locomotives in running order and improve performance. As time went on, Blackett became increasingly occupied by other outside interests and was often absent, leaving Hedley in charge of the mine; Hackworth found himself in conflictual situations due his Methodist activities and his refusal to work on the Sabbath, until he felt obliged to leave Wylam in 1816 [ Young: ibid pp. 45-46] .
He was not long in finding other employment at Walbottle Colliery where he took up the same position of foreman blacksmith.
The "Royal George"
In 1824, Hackworth occupied a temporary position as a "borrowed man" or relief manager at the Forth Street factory of Robert Stephenson and Company, whilst Robert was away in South America and George was occupied with the surveying of new railways, notably the Liverpool and Manchester. Hackworth only stayed until the end of that year, following which, he returned to Walbottle occupying his time with contract work until, upon the recommendation of
George Stephenson, he was appointed on 13 May 1825, to the position of locomotive superintendent of the Stockton and Darlington Railway, a post he was to occupy until May 1840 [ Young ibid: p.107]
Hackworth is believed to have been influential in the development of the first Stephenson locomotive intended for the Stockton and Darlington Railway during his time at the Forth Street factory. That locomotive, then named "Active", now known as
Locomotion No 1, was delivered to the railway just before the opening ceremony on 27 September, 1825. Three more of the same type were delivered in the following months and difficulties in getting them into operating order were such as to risk compromising the use of steam locomotives for years to come, had it not been for Hackworth's persistence. This persistence resulted in his developing the first adequate locomotive adapted to the rigours of everyday road service. The outcome was the "Royal George" of 1827, an early 0-6-0 Locomotive, that among many new key features, notably incorporated a correctly aligned steam blastpipe, Hackworth being usually acknowledged as the inventor of this concept [Young ibid: pp.155-162] From 1830 onwards the blastpipe was employed by the Stephensons for their updated "Rocket" and all subsequent new types. Recent letters acquired by the National Railway Museumwould appear to confirm Hackworth as the inventor of the device. Since Trevithick's time, it had long been common practice to turn the exhaust steam from the cylinders into the chimney using "eductor pipes" for convenience, and noise reduction, and its effect on the fire certainly had been noticed [ Young ibid: p.227] . Whatever the case, Hackworth was probably the first of the very few engineers throughout history to fully take into account the role of the blast in automatically realising the "perfect equilibrium between steam production and usage" [Carpenter, George W. & contributors (2000): La locomotive à vapeur (English translation of André Chapelon's seminal work (1938): p.36; Camden Miniature Steam Services, UK. ISBN 0 9536523 0 0] in a locomotive when fitted with a firetube boiler, and to consider the blastpipe as a distinct device, paying close attention to its proportions, nozzle size, positioning and precise alignment.
"Sanspareil" and the Rainhill trials
In 1829 the Liverpool and Manchester, the world's first "Inter-City" railway, was under construction. There was a large potential for both passenger and goods traffic, however all locomotives built to date, including those for the Stockton and Darlington had been intended for slow freight, with any passenger service handled by single horse-drawn coaches, it was therefore clear that any future locomotives would have to be more versatile. Matters were further complicated by the news that was rife about the problems being encountered on the Stockton and Darlington which gave rise to considerable controversy as to the sort of motive power to be preferred. George Stephenson, the line's civil engineer was unsurprisingly firmly in favour of steam traction and asked for a report from Timothy Hackworth who confirmed that he was having difficulties, but was optimistic about overcoming them. In order to settle upon a locomotive type the directors set up a competition. The trials were held at Rainhill in which there were three serious contestants. Hackworth, with his own very limited resources entered the 0-4-0 locomotive, "Sanspareil". This locomotive was deemed officially overweight, but nevertheless was allowed to undergo the “ordeal”. Unfortunately faulty cylinder casting led to steam leaks and premature abandonment of the course.
As is well known, Stephenson’s Rocket was the outright winner as the only locomotive that stayed the course whilst fully complying with the rules. In the event, none of the contestants really answered the railway’s requirements. Hackworth stayed on after the event, repairing the "Sanspareil" and was able show that it more than met requirements. On the strength of this the L&M management did purchase the locomotive, subsequently reselling it at a loss to the Bolton & Leigh Railway where it worked until 1844. As Ahrons [Ahrons, E.L. (1966): The British Steam Locomotive 1825-1925, Ian Allan, Surrey, U.K. (reprint of 1927 edition)] points out, the vertical cylinders would have given rise to considerable hammer-blow at speed and made it unsuited to passenger service on the track of that time in the long term, nevertheless,it was a formidable contender, largely due to the carefully designed and tuned blastpipe.
However the Rainhill trials may be seen as a milestone event, as during the eight days it lasted there were considerable modifications carried out on the three main contestants in which Hackworth participated tirelessly, displaying absolute impartiality. From that date on, locomotive design and performance went forward by leaps and bounds.
In addition to his duties on the Stockton and Darlington, Hackworth set up his own business in which his son, John Wesley Hackworth fully participated [ Young ibid, p.356 et seq] , producing a variety of machinery.
Notably he built at Shildon in 1836, the first locomotive to run in
Russiafor the St Petersburgrailway, of which his son was responsible for the safe delivery and preliminary trials. Also in 1837 the "Samson" was delivered to the Albion Mines Railway in Nova Scotia, one of the first engines to run in Canada.
One of his 1833 apprentices,
Daniel Adamson, later further developed his boiler designs becoming a successful manufacturer (and influential in the inception of the Manchester Ship Canal).
The last new locomotive design with which Timothy Hackworth was involved was the "Sanspareil II" a "demonstrator" of 1849, an advanced 2-2-2 engine of the Jenny Lind type with 6' 6" driving wheel, 1188 sq. feet heating surface and some use of welding in the boiler construction. In performance it fully lived up to expectations as regards economy and load-hauling performance. Hackworth was so satisfied that he issued a public challenge to Robert Stephenson to pit his latest York Newcastle and Berwick locomotive, no. 190 against it in a l trial. Nothing more was ever heard of this [Young ibid, pp. 328-9] .
Today he has a school named after him in his hometown of Shildon where the pupils annually learn of Timothy Hackworth and his work. His home was also turned into a museum, which has since being renovated and an annex of the National Railway Museum has been built nearby.
* [http://www.24hourmuseum.org.uk/nwh_gfx_en/ART29660.html CONTROVERSIAL STEPHENSON LETTER DONATED TO NATIONAL RAILWAY MUSEUM]
* [http://www.thisisthenortheast.co.uk/the_north_east/history/railway/stock_darlo/2.html North East History: The Stockton and Darlington Railway]
* [http://www.spartacus.schoolnet.co.uk/RAhackworth.htm Timothy Hackworth]
September 22 2004), " [http://www.steamindex.com/people/hackwort.htm Timothy Hackworth] ". Retrieved February 9 2005.
* [http://www.railcentre.co.uk/hackworth/hackworth1.htm Timothy Hackworth: Rail Pioneer]
* [http://www.spartacus.schoolnet.co.uk/RAhackworth.htm Timothy Hackworth]
* [http://www.hevac-heritage.org/victorian_engineers/sir_goldsworthy_gurney/sir_goldsworthy_gurney.htm Sir Goldsworthy Gurney] (1793-1875)
* [http://www.history.rochester.edu/steam/brown/chpt8.html chapter VIII, Stephenson's Engine] , in
William H. Brown, "The History of the First Locomotives In America. From Original Documents And The Testimony Of Living Witnesses", 1871
1786 in rail transport
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