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Vintage Cranes |
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| This section shows some of the many cranes developed over the years by Coles. Coles cranes developed steadily throughout the years, every advance in engineering knowledge had been adopted and adapted to improve their efficiency. As one of the earliest manufacturers to replace steam with internal combustion engine Coles progressively developed and subsequently discarded mechanical transmission, hydraulic transmission and different types of torque convertor before arriving at the ideal transmission for crane operation the Coles Variable Voltage System. Click on any picture for bigger image |
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1879 An early engraving taken from one of the early catalogs of Coles Brothers while they were still at the Summner street works in London. |
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1890 After the move to the Slack Lane works in Derby, a big railway town at the time, they produced a range of large self mobile steam driven cranes. |
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1897 A very unusual rail mounted water hydraulic crane, possibly for use on coal docks where the open fire of a steam boiler is dangerous. |
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1913 Early example of direct drive petrol driven rail crane, probably under powered. |
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1920 Based on the Tilling Stevens petrol electric buss chassis this was one of the first lorrys mounted mobile cranes. It used the lorry electrical system to power the electric motors of the crane. |
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1920 The solid and weather resistant Tilling Stevens was made rather lighter and more elegant for the export market to India and the far east. |
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1924 A rather strange battery driven mobile bases on the light weight export Tilling. Possibly for warehouse use. |
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1928 The first true none rail mobile. Power solved by a large diesel. Self mobile driven from the slew deck. |
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1929 Petrol electric crawler with electro magnet. Probably tracks were used because of the kind of material being worked with. |
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1930 This is the rail version of the diesel mobile. Mechanical linkage and drive on all movements and travel. |
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1934 Marked as diesel fluid drive. I have no information of what this could be, but imagine that the crane is electrical and the tracks are driven by hydraulics. |
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1935 Smaller engines made the compact mobile possible. This crane shows where Coles is going with design and configuration.Pointing the way for the EMA |
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1936 With the flexibility of electrical drive Coles were able to mount light lifting units on suitable chassis, hear on a Morris using the truck engine to power the generator. |
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1937 The EMA was designed for a government tender who ordered 37 machines. This was to provide their crane template for the next thirty years. |
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1945 The EMA was refined through the war years but changed little eventually reaching a mark 5. They were reliable and easy to maintain. |
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1949 Developing into the Argus mobile this light mobile unit was to remain popular untill the hydraulics took over in 1960s. |
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Thanks - 1890. NCC Archive "Picture the Past" |
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