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The Purrey-Exshaw Works. (continued,)

24th April 1913, Page 22
24th April 1913
Page 22
Page 22, 24th April 1913 — The Purrey-Exshaw Works. (continued,)
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Any calcareous deposits which settle in the lower collector of the Purrey boiler can be readily removed by means of clearance cocks. A hopper at the side of the generator leads to an inclined firegrate and through it coke is fed. Each model has a two-cylinder simple horizontal engine wholly enclosed and running in oil. It is fixed immediately behind the generator and is placed well down in the chassis, thus allowing a maximum platform space. It can be dismounted without difficulty for cleaning purposes.

Transmission of power to the differential shaft is through spur gears engaging with pinions fitted to each end of the main engine shaft. The final drive is by means of roller chains which are readily adjustable when found necessary.

The road wheels call for special mention as embodying several structural features well adapted to the heavy class of work to which these vehicles are subjected. The felloe is of wood made in sections, which when placed in position leaves a V-shaped recess at the rim. The spokes, wedge shaped at both extremities, fit into these hollows at the rim, the other ends converging at the hub, leaving spaces into which V-shaped wedges of hard, wood are fitted. A conical ring at the hub allows these wedges to be driven home and at the same time forces the rim against the tire. The advantage of this arrangement is that all tires are put on cold. The principal aim of the French designers has been to produce a machine yielding very low running costs, and which shall be absolutely fool-proof with regard to control. The firm make a speciality of

different types of bodies for quickly and conveniently handling and conveying various kinds of material. One of our illustrations shows a double-scuttle screw tipping wagon, from which material may be discharged from either side of the vehicle in separate batches.

Mr. Turner informs us that the yearly output of steam wagons of i

various types s rapidly increasing ; the works capacity is now WO. In view of the considerable amount of export trade done, standardization of all parts is observed, and a coded list of all spare parts is issued. Every part of the vehicles subjected to serious stress is thoroughly tested by experienced inspectors who are employed by the State railways, and each part is stamped when passed by them. It undoubtedly is not generally realized here in 'England the extent of the trade which is actually being done in this branch of the firm's productions. Vehicles for both commercial use and passenger transport have been dispatched to :—Puerto Rico, Algeria, Spain, Portugal, Italy, Belgium, Sweden, Cuba,, the Argentine Republic and Central America.

Besides steam wagons, the factory at Bordeaux turns out various steam rail motors, some of which have been supplied to the principal railways in France, including the Paris-Lyons and Mediterranean, and the Nord Etat and ParisOrleans. One hundred and :eventy

two Purrey-Exshaw steam trams. are also at present running in Paris and elsewhere.

Examples of this unique machine will be exhibited at the forthcoming July Olympia Show, and we are particularly pleased to record that, to meet the growing demand for vehicles using liquid fuel, a wagon so. constructed is under active consideration.

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Organisations: US Federal Reserve
People: Turner
Locations: Paris

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