Why are trains so powerful?

The giant two-stroke, turbocharged engine and electrical generator provide the huge amount of power needed to pull heavy loads at high speeds. Cummins' locomotive engine weighs over 24,000 pounds (10,886 kilograms). The generator and electric motors add more mass on top of that.



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Trains carry more people The key to reducing traffic congestion is to transport more people in a way that takes up less space. Trains can carry several hundred people. Imagine that you're stopped at a traffic light and have to wait for 500 hundred single-occupancy automobiles go by before the light changes for you.

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Plane travel is safest, reports Ian Savage, of the Dept. of Economics & Transportation Center at Norwestern University, in the Huff Post Live video clip above. Trains are three times more dangerous than flying but safer than traveling by car (which is 40 times more risky than flying), according to Savage.

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Travellers are beginning to shy away from flying, not only because trains are more comfortable, more punctual, often cheaper and easier to catch, but also in many cases, as travel search engine Omio (formerly GoEuro) has found, trains are actually faster.

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To help the wheels stay on the track their shape is usually slightly conical. This means that the inside of the wheel has a larger circumference than the outside of the wheel. (They also have a flange, or raised edge, on the inner side to prevent the train from falling off the tracks.)

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Rail is the safest form of travel in Britain. For every million journeys made on the railway, only 16 crimes are recorded. The chances of you becoming a victim of crime while using the railway are extremely low. But if you need to, you can contact British Transport Police (BTP) by calling sending a text to 61016.

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The railways use a train detection systems which can tell signallers exactly where every train is and how fast they are going. There are also systems that can automatically stop trains if the driver doesn't take the correct course of action or passes through a red signal.

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As far as I'm aware, there's no legal limit. Passenger trains do not normally exceed 12 cars (around 900 feet, dependent on rolling stock type), but many are much shorter than this.

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Anyway, the reason for using two locomotives is pretty simple. Twice the number of locomotives means twice the power. This extra power boost is used for especially heavy loads or for trains going up steep grades.

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Wood has the natural flexibility that is perfectly suited for the loads running on railroad tracks every day. Wood ties are engineered to perform under heavy load conditions. The durability of the wood tie means lower costs for railroads.

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We paint certain parts of the rail white so they absorb less heat – and expand less. Typically, a rail painted white is 5°C to 10°C cooler than one left unpainted.

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Do trains drop waste on the tracks? Not anymore. In the US until the 1960's, some toilets emptied directly onto the tracks. A sign was posted over the toilet reminding passengers not to flush while the train was on the station.

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Track Related Issues Train tracks can become weak over time, especially at points where the rails join together with the help of a weld. Poor artistry, freezing weather, or improper stressing of continuously welded rails can cause the welds to break open, increasing the risk of a dangerous derailment.

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Compare it to other major forms of transportation – with 0.04 deaths per 100 million miles traveled, train travel is much more dangerous than airplanes' 0.01 deaths per 100 million miles.

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Generally, short trips cost less by train, but it's more economical to fly for long journeys.

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Most Shinkansen trains operate at speeds of about 500 kilometers per hour (200 to 275 miles per hour). As new technologies are developed and instituted, future trains may achieve even greater velocities.

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