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Steamroller
A steamroller (or steam roller) is a form of road roller – a type of heavy construction machinery used for leveling surfaces, such as roads or airfields – that is powered by a steam engine. The leveling/flattening action is achieved through a combination of the size and weight of the vehicle and the ''rolls'': the smooth wheels and the large cylinder or drum fitted in place of treaded road wheels. The majority of steam rollers are outwardly similar to traction engines as many traction engine manufacturers later produced rollers based on their existing designs, and the patents owned by certain roller manufacturers tended to influence the general arrangements used by others. The key difference between the two vehicles is that on a roller the main roll replaces the front wheels and axle that would be fitted to a traction engine, and the driving wheels are smooth-tired. The word ''steamroller'' frequently refers to road rollers in general, regardless of the method of propulsion ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Aveling And Porter
Aveling and Porter was a British agricultural engine and steamroller (road roller) manufacturer. Thomas Aveling and Richard Thomas Porter entered into partnership in 1862, and developed a steam engine three years later in 1865. By the early 1900s, the company had become the largest manufacturer of steamrollers (road rollers) in the world. The company used a rampant horse as its logo derived from the White Horse of Kent. Partners Thomas Aveling Thomas Aveling was born 11 September 1824 at Elm, Cambridgeshire. In 1851 he was recorded as a farmer and grazier employing 16 men and 6 boys. The business also included a drainage tile works. In 1859, Aveling invented the traction engine when he modified a Clayton & Shuttleworth portable engine, which had to be hauled from job to job by horses, into a self-propelled one. The alteration was made by fitting a long driving chain between the crankshaft and the rear axle. Aveling later invented the steamroller in 1867. Thomas Aveling ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Road Roller
A road roller (sometimes called a roller-compactor, or just roller) is a compactor-type engineering vehicle used to compact soil, gravel, concrete, or asphalt in the construction of roads and foundations. Similar rollers are used also at landfills or in agriculture. Road rollers are frequently referred to as steamrollers, regardless of their method of propulsion. History The first road rollers were horse-drawn, and were probably borrowed farm implements'' (see Roller)''. Since the effectiveness of a roller depends to a large extent on its weight, self-powered vehicles replaced horse-drawn rollers from the mid-19th century. The first such vehicles were steam rollers. Single-cylinder steam rollers were generally used for base compaction and run with high engine revs with low gearing to promote bounce and vibration from the crankshaft through to the rolls in much the same way as a vibrating roller. The double cylinder or compound steam rollers became popular from aro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Wallis & Steevens
Wallis & Steevens of Basingstoke, Hampshire, England produced agricultural equipment, traction engines and steam and diesel road rollers. History The company was founded in 1856 by Arthur Wallis and Charles Haslam in newly built premises which they named ''The North Hants Ironworks''. The works were sited on Station Hill in Basingstoke and the company began trading as ''Wallis & Haslam''. Shortly afterwards the company was highly commended for its hand-worked bench drilling machine at the 1857 Royal Agricultural show in Salisbury. Even at this early stage, the company was producing a wide variety of agricultural equipment, and alongside the bench drill were corn drills, turnip drills, four types of horse hoe, drag harrows, a 3 hp threshing machine, a barley hummeller and sundry other devices. In 1862 a third partner, Charles James Steevens, joined the company and when Charles Haslam retired in 1869 the company became ''Wallis & Steevens''. The date of production for the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Traction Engine
A traction engine is a steam engine, steam-powered tractor used to move heavy loads on roads, plough ground or to provide power at a chosen location. The name derives from the Latin ''tractus'', meaning 'drawn', since the prime function of any traction engine is to draw a load behind it. They are sometimes called road locomotives to distinguish them from railway steam locomotive, locomotives – that is, steam engines that run on rails. Traction engines tend to be large, robust and powerful, but also heavy, slow, and difficult to manoeuvre. Nevertheless, they revolutionized agriculture and road haulage at a time when the only alternative Prime mover (tractor unit), prime mover was the draught horse. They became popular in industrialised countries from around 1850, when the first self-propelled portable steam engines for agricultural use were developed. Production continued well into the early part of the 20th century, when competition from internal combustion engine-powered ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Case Corporation
Case Corporation was a manufacturer of agricultural machinery and heavy equipment (construction), construction equipment. Founded, in 1842, by Jerome Case, Jerome Increase Case as the J. I. Case Threshing Machine Company, it operated under that name for most of a century. For another 66 years it was the J. I. Case Company, and was often called simply Case. In the late 19th century, Case was one of America's largest builders of steam engines, producing self-propelled portable engines, traction engines and steam tractors. It was a major producer of threshing machines and list of agricultural machinery#Harvesting / post-harvest, other harvesting equipment. The company also produced various machinery for the U.S. military (combat engineer equipment for the USMC, full-tracked tractors and scoop loaders for the U.S. Army, etc.). In the 20th century, Case was among the ten largest builders of farm tractors for many years. In the 1950s its construction equipment line became its pri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Robey & Co
Robey and Co. was an engineering company based in Lincoln, England, Lincoln, Lincolnshire, England which can be traced back to around 1849. In 1854 Watkinson and Robey ''Engineers and Millwrights'' were manufacturing Portable Engines and machinery of every description in Rumbold Street, Lincoln. They were joined by George Lamb Scott, but in 1855 Watkinson, who had previously worked for Clayton & Shuttleworth of Lincoln, left the company. The business then became Robey and Scott and moved their premises by 1856 to Canwick Road, Lincoln. Another partner, Thomas Gamble, joined the firm and Scott resigned in September 1856 to found his own manufacturing company in Manchester. The company then became Gamble & Robey, but by 1868 was known as Robey & Co Ltd. Robert Robey died in 1876 and the firm continued as a partnership led by John Richardson. In 1893 Robey & Co became a limited company. By 1913 Robeys were makers of steam motor wagons, tractors and ploughs and in the First World ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Rochester, Kent
Rochester ( ) is a town in the unitary authority of Medway, in Kent, England. It is at the lowest bridging point of the River Medway, about east-southeast of London. The town forms a conurbation with neighbouring towns Chatham, Kent, Chatham, Rainham, Kent, Rainham, Strood and Gillingham, Kent, Gillingham. Rochester was a City status in the United Kingdom, city until losing its status as one in 1998 in the United Kingdom, 1998 following the forming of Medway and failing to protect its status as a city, the first city to do so in the history of the United Kingdom. There have been ongoing campaigns to reinstate the city status for Rochester. In 2011 in the United Kingdom, 2011 it had a population of 62,982. Rochester was for many years a favourite of Charles Dickens, who owned nearby Gads Hill Place, Higham, Kent, Higham, basing many of his novels on the area. The Diocese of Rochester, the second-oldest in England, is centred on Rochester Cathedral and was responsible for foundin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Smokebox
A smokebox is one of the major basic parts of a steam locomotive exhaust system. Smoke and hot gases pass from the firebox through tubes where they pass heat to the surrounding water in the boiler. The smoke then enters the smokebox, and is exhausted to the atmosphere through the chimney (or funnel). Early locomotives had no smokebox and relied on a long chimney to provide natural draught for the fire but smokeboxes were soon included in the design for two specific reasons. Firstly and most importantly, the blast of exhaust steam from the cylinders, when directed upwards through an airtight smokebox with an appropriate design of exhaust nozzle, effectively draws hot gases through the boiler tubes and flues and, consequently, fresh combustion air into the firebox. Secondly, the smokebox provides a convenient collection point for ash and cinders ("char") drawn through the boiler tubes, which can be easily cleaned out at the end of a working day. Without a smokebox, all char m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Tarmacadam
Tarmacadam or tarmac is a concrete road surface, road surfacing material made by combining tar and macadam (crushed stone and sand), patented by Welsh inventor Edgar Purnell Hooley in 1902. It is a more durable and dust-free enhancement of simple compacted stone macadam surfaces invented by Scottish engineer John Loudon McAdam in the early 19th century. The terms "tarmacadam" and "tarmac" are also used for a variety of other materials, including tar-grouted macadam, bituminous surface treatments and modern asphalt concrete. Origins Macadam roads pioneered by Scottish engineer John Loudon McAdam in the 1820s are prone to rutting and generating dust. Methods to stabilise macadam surfaces with tar date back to at least 1834 when John Henry Cassell, operating from ''Cassell's Patent Lava Stone Works'' in Millwall, England, patented "lava stone." This method involved spreading tar on the subgrade, placing a typical macadam layer, and finally sealing the macadam with a mixture of tar a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Pistol Boiler
A pistol boiler is a design of steam boiler used in light steam tractors and overtype steam wagons. It is noted for the unusual shape of the Firebox (steam engine), firebox, a circular design intended to be self-supporting without the use of firebox stays. The name "pistol boiler" derives from the smooth curve of the outer firebox flowing into the boiler barrel and a supposed resemblance to the stock of an early 19th-century pistol. Need for a self-supporting firebox The locomotive boiler had become well established since George Stephenson, Stephenson's day; although the cost and complexity of its firebox remained a drawback, particularly for small boilers. If the top crown sheet of the inner firebox was made flat, so as to maintain a constant water depth above it, this required complex and expensive Boiler stay, girder stays to support it. These stays were also a safety-critical part of the boiler, and many past boiler explosions had been caused by their failure. This was espe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Vertical Boiler
A vertical boiler is a type of fire-tube boiler, fire-tube or water-tube boiler where the boiler barrel is oriented vertically instead of the more common horizontal orientation. Vertical boilers were used for a variety of steam-powered vehicles and other mobile machines, including early steam locomotives. Design considerations Tube arrangements Many different tube arrangements have been used. Examples include: ;Fire tubes * Vertical fire-tube boiler * Vertical boiler with horizontal fire-tubes ;Water tubes * Vertical cross-tube boiler * Field-tube boiler * Thimble tube boiler * Spiral watertube boiler Advantages The main advantages of a vertical boiler are: * Small footprint – where width and length constraints are critical, use of a vertical boiler permits design of a smaller machine. * Water-level tolerance – The water level in a horizontal boiler must be maintained above the crown (top) of the firebox at all times, or the crownplate could overheat and buckle, causing a bo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
