. Ingegneria locomotiva : una rivista pratica di moto ferroviario e materiale rotabile . Ivorrebbe dire che la macchina in acciaio pressato UN design francese per lo-Comotives ad alta velocità. Questo è ciò che è conosciuto come il Thuilesystem di locomotiva ad alta velocità, e isesibito a Parigi dalla sig.ra Schneider &Co., di Creusot. È stato progettato per hulliains di 180 - 200 tonnellate, o, per esempio, fourPullmans, a 75 miglia un hotir sulle piste, ed è calcolato per sviluppare 1,800 a 2'000 cavalli-potere. Ci sono quattro ruote accoppiate, un fullTruck davanti e un camion a sei ruote sotto l'estremità posteriore, anche se la necessità perquesto è

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. Locomotive engineering : a practical journal of railway motive power and rolling stock . Iwould state that the Pressed Steel Car A French Design for High-Speed Lo-comotives. This is what is known as the Thuilesystem of high-speed locomotive, and isexhibited at Paris by Messrs. Schneider &Co., of Creusot. It was designed to haultrains of 180 to 200 tons, or, say, fourPullmans, at 75 miles an hotir on levelroads, and is calculated to develop 1, 800 to2, 000 horse-power. There are four coupled wheels, a fulltruck in front and a six-wheel truck underthe back end, although the necessity forthis is not apparent, as there are only 295^2tons, or 59, 000 pounds, on this truck. Thismakes less than 10, 000 pounds on a wheelfor this truck and under 15, 000 for a four-wheel truck, which would seem preferableto the extra pair of wheels. The driving wheels carry only 65.000pounds, or about 16, 000 pounds on a wheel—but little more than is carried by thetrailing truck. The total weight of the en-gine in working order is about 165, 000pounds, and the tractive power 15.652liounds. Fig- J if. THUILE LOCOMOTIVE. falo are to be suburbs of New York, Chi-cago five and San Francisco fifteen hoursaway. Practical railway men know that thequestion of the train leaving the track is asmall one on straight track, and thatcurves can be made to suit any speed.Why should a train leave the rail onstraight track any quicker at 100 miles anhour than at 50? It weighs the same ineither case, and gravity doesnt forget itslittle duty because the train happens to behumping itself. The real questions to be dealt with arepower, co?t of operation, keeping a cleartrack for fast trains, and cool journals.The inventors of single-rail or other rail-roads rarely consider such little details asswitches, right of way, or that freighttraffic makes up the bulk of a roads busi-ness. The four-track roads keep practi-cally clear tracks for passenger trains, butlocals must be considered and kept out ofthe way of through trai

Parole chiave associate all'immagine

• bookcentury1800
• bookdecade1890
• booksubjectrailroa
• bookyear1892