Friday, 5 June 2015

Men of Yore: George Stephenson

This is intended to be a series of posts about men from history who have either achieved great things in one form or another by pushing boundaries: either in themselves or in society or science or exploration of some form. Boundary pushing and growth is what men do, it's their nature: to grow and push outwards. We, as men, are the frontiers men, the first to discover/uncover new territory, in a metaphysical sense (i.e. including both material and the immaterial) that is later colonised and 'civilised' by the rest of humanity.

George Stephenson

Early Life
George Stephenson, the son of a colliery fireman, was born at Wylam, eight miles from Newcastle-upon-Tyne, on 9th June, 1781. The cottage where the Stephenson family lived was next to the Wylam Wagonway, and George grew up with a keen interest in machines. George's first employment was herding cows but when he was fourteen he joined his father at the Dewley Colliery. George was an ambitious boy and at the age of eighteen he began attending evening classes where he learnt to read and write.

In 1802 Stephenson became a colliery engineman. Later that year he married Frances Henderson, a servant at a local farm. To earn extra money, in the evenings, he repaired clocks and watches. On 16th October, 1803, his only son, Robert was born. Frances suffered from poor health and she died of consumption in 1806.

When he was twenty-seven, Stephenson found employment as an engineman at Killingworth Colliery. Every Saturday he took the engines to pieces in order to understand how they were constructed. This included machines made by Thomas Newcomen and James Watt. By 1812 Stephenson's knowledge of engines resulted in him being employed as the colliery's enginewright.

Working at a colliery, George Stephenson was fully aware of the large number of accidents caused by explosive gases. In his spare time Stephenson began work on a safety lamp for miners. By 1815 he had developed a lamp that did not cause explosions even in parts of the pit that were full of inflammable gases. Unknown to Stephenson, Humphry Davy was busy producing his own safety lamp.

In 1813 Stephenson became aware of attempts by William Hedley and Timothy Hackworth, at Wylam Colliery, to develop a locomotive. Stephenson successfully convinced his colliery manager, Nicholas Wood, his to allow him to try to produce a steam-powered machine. By 1814 he had constructed a locomotive that could pull thirty tons up a hill at 4 mph. Stephenson called his locomotive, the Blutcher, and like other machines made at this time, it had two vertical cylinders let into the boiler, from the pistons of which rods drove the gears
Where Stephenson's locomotive differed from those produced by John Blenkinsop, William Hedley and Timothy Hackworth, was that the gears did not drive the rack pinions but the flanged wheels. The Blutcher was the first successful flanged-wheel adhesion locomotive. Stephenson continued to try and improve his locomotive and in 1815 he changed the design so that the connecting rods drove the wheels directly. These wheels were coupled together by a chain. Over the next five years Stephenson built sixteen engines at Killingworth. Most of these were used locally but some were produced for the Duke of Portland's wagonway from Kilmarnock to Troon. 
Steam Railways
The owners of the colliery were impressed with Stephenson's achievements and in 1819 he was given the task of building a eight mile railroad from Hetton to the River Wear at Sunderland. While he was working on this Stephenson became convinced that to be successful, steam railways had to be made as level as possible by civil engineering works. The track was laid out in sections. The first part was worked by locomotives, this was followed by fixed engines and cables. After the railway reached 250 feet above sea level, the coal wagons travelled down over 2 miles of self-acting inclined plane. This was followed by another 2 miles of locomotive haulage. George Stephenson only used fixed engines and locomotives and had therefore produced the first ever railway that was completely independent of animal power.
On 19th April 1821 an Act of Parliament was passed that authorized a company owned by Edward Pearse to build a horse railway that would link the collieries in West Durham, Darlington and the River Tees at Stockton. Stephenson arranged a meeting with Pease and suggested that he should consider building a locomotive railway. Stephenson told Pease that "a horse on an iron road would draw ten tons for one ton on a common road". Stephenson added that the Blutcher locomotive that he had built at Killingworth was "worth fifty horses".

Stockton & Darlington Railway
That summer Edward Pease took up Stephenson's invitation to visit Killingworth Colliery. When Pease saw the Blutcher at work he realised George Stephenson was right and offered him the post as the chief engineer of the Stockton & Darlington company. It was now now necessary for Pease to apply for a further Act of Parliament. This time a clause was added that stated that Parliament gave permission for the company "to make and erect locomotive or moveable engines".
Stephenson began working with William Losh, who owned an ironworks in Newcastle. Together they patented their own make of cast iron rails. In 1821 John Birkinshaw, an engineer at Bedlington Ironworks, developed a new method of rolling wrought iron rails in fifteen feet lengths. Stephenson went to see these malleable rails and decided they were better than those that he was making with Losh. Although it cost him a considerable amount of money, Stephenson decided to use Birkinshaw's rails, rather than those he made with Losh, on the Stockton & Darlington line.
In 1823 Edward Pease joined with Michael Longdridge, George Stephenson and his son Robert Stephenson, to form a company to make the locomotives. The Robert Stephenson & Company, at Forth Street, Newcastle-upon-Tyne, became the world's first locomotive builder. Stephenson recruited Timothy Hackworth, one of the engineers who had helped William Hedley to produce Puffing Billy, to work for the company. The first railway locomotive, Locomotion, was finished in September 1825. The locomotive was similar to those that Stephenson had produced at the collieries at Killingworth and Heaton.
Work on the track began in 1822. George Stephenson used malleable iron rails carried on cast iron chairs. These rails were laid on wooden blocks for 12 miles between Stockton and Darlington. The 15 mile track from the collieries and Darlington were laid on stone blocks. 
While building this railway George Stephenson discovered that on a smooth, level track, a tractive force of ten pounds would move a ton of weight. However, when there was a gradient of 1 in 200, the hauling power of a locomotive was reduced by 50 per cent. Stephenson came to the conclusion that railways must be specially designed with the object of avoiding as much as possible changes in gradient. This meant that considerable time had to be spent on cuttings, tunnels and embankments.
The Stockton & Darlington line was opened on 27th September, 1825. Large crowds saw George Stephenson at the controls of the Locomotion as it pulled 36 wagons filled with sacks of coal and flour. The initial journey of just under 9 miles took two hours. However, during the final descent into the Stockton terminus, speeds of 15 mph (24 kph) were reached.

Liverpool & Manchester Railway
The Stockton & Darlington line successfully reduced the cost of transporting coal and in 1826 Stephenson was appointed engineer and provider of locomotives for the Bolton & Leigh railway. He also was the chief engineer of the proposed Liverpool & Manchester railway. Stephenson was faced with a large number of serious engineering problems. This included crossing the unstable peat bog of Chat Moss, a nine-arched viaduct across the Sankey Valley and a two-mile long rock cutting at Olive Mount.
The directors of the Liverpool & Manchester company were unsure whether to use locomotives or stationary engines on their line. To help them reach a decision, it was decided to hold a competition where the winning locomotive would be awarded £500. The idea being that if the locomotive was good enough, it would be the one used on the new railway.

Rainhill Trials
The competition was held at Rainhill during October 1829. Each competing locomotive had to haul a load of three times its own weight at a speed of at least 10 mph. The locomotives had to run twenty times up and down the track at Rainhill which made the distance roughly equivalent to a return trip between Liverpool and Manchester. Afraid that heavy locomotives would break the rails, only machines that weighed less than six tons could compete in the competition. Ten locomotives were originally entered for the Rainhill Trials but only five turned up and two of these were withdrawn because of mechanical problems. Sans Pariel and Novelty did well but it was the Rocket, produced by George and his son, Robert Stephenson, that won the competition.
The Liverpool & Manchester railway was opened on 15th September, 1830. The prime minister, the Duke of Wellington, and a large number of important people attended the opening ceremony that included a procession of eight locomotives. Unfortunately, the day was marred by one of the government ministers, William Huskisson, being knocked down and killed by one of the locomotives. After his success with the Liverpool & Manchester railway, Stephenson was the chief engineer of the following railways: Manchester & Leeds, Birmingham & Derby, Normanton & York and Sheffied & Rotherham.

George Stephenson continued to work on improving the quality of the locomotives used on the railway lines he constructed. This included the addition of a steam-jet developed by Goldsworthy Gurney that increased the speed of the Rocket to 29 mph.
In 1838 Stephenson purchased Tapton House, a Georgian mansion near Chesterfield. Stephenson went into partnership with George Hudson and James Sanders and together they opened coalmines, ironworks and limestone quarries in the area. Stephenson also owned a small farm where he experimented with stock breeding, new types of manure and animal food. He also developed a method of fattening chickens in half the usual time. He did this by shutting them in dark boxes after a heavy feed.
Stephenson's second wife, Elizabeth Hindley, died in 1845. George Stephenson married for a third time just before he died at Tapton House, Chesterfield on 12th August, 1848.

George Stephenson is known in the UK as 'The Father of the Railways' because he created many of the elements of railways (the design of engines, the gauge of the rails, the design of railway lines etc) like a good father does.  As well as being the father of new inventions that benefited the world, George was also a great father in the biological sense, as he sired the well known engineer Robert Stephenson, whom he sent off to school to get the education that he never did.  In good time Robert grew up into a respected engineer.  This shows us that men who do great things often do great things in several different realms/areas of life.


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