Railway Vehicles of the 20th Century Railcars Hard Cover 1953 Maschinenfabrik Au

Railway Vehicles of the 20th Century Railcars Hard Cover 1953 Maschinenfabrik Au

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Railway Vehicles of the 20th Century Railcars Hard Cover 1953 Maschinenfabrik Au
 
Railway Vehicles of the 20th Century Railcars Hard Cover 1953 Maschinenfabrik Augsburg - Nurnberg AG Nuremberg Works Lots of photos.  Drawings, tables, technical data, more.  142 pages
A recent innovation is the use of M.A.N. standard omnibus Diesel engines in lightweight multi-car Diesel trains, as well as a new arrangement of driving gear and bogies. The object was to unite the advantages of railway vehicles with those of the road vehicles. Decreased rolling resistance due to less friction, and increased travelling comfort, on the one hand, and reduced weight as a result of lightweight construction by employing light-metal wherever practicable, on the other hand, have led to an excellent solution of the problem. Further points to be considered are: low maintenance and running costs economical production increased reliability in operation by spreading the total power among several engines good riding properties at high speeds, and consequently shorter schedule times The illustration on page 141 shows an example of power-unit installation for seven-coach articulated lightweight Diesel trains which were developed and designed by the German Federal Railway in collaboration with leading German rolling stock manufacturers, and for which M. A. N. supervised the design of the complete mechanical gear and bogies. The trains were tentatively designed for a maximum speed of 75 m. p. h., but that speed is to be increased to 100 m. p. h. at a later date. In this second case, the engines will be equipped with exhaust turbo-chargers, which will increase the individual engine output from 160 h. p. to 210 h. p., the engine speed remaining the same. Both on account of the size and the speed, the lightweight Diesel trains require outputs much larger than usually needed for omnibuses. Consequently, both power cars are each equipped with three M. A .N. standard omnibus Diesel engines, two of them serving as traction engines and the third being coupled to a generator to feed the auxiliaries. Each traction engine drives one axle of the four-wheel bogie through an A. E. G.-Fhydraulic converter and gearbox.
Uniform fuel injection in the engines is ensured by an approved and well-known remote control, with synchronized speed of the engines achieved by the track speed. If one engine breaks down, the other engines suffice to enable the train to be worked onward. Maintenance is facilitated by fitting the engines inside the coach body, and that also safeguards the engines against severe rail shocks and against dirt. Moreover, the engines are easily accessible for inspection, as the engine hood is fitted with flaps.


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