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Speed Locomotive

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The speed of the locomotive and electric locomotive is determined by a special device – speed indicator. Recording speedometers fitted to today's powerful passenger locomotives – is a versatile instrument. According to his dial determine the speed of the locomotive, which is close to the speed at the moment (in kilometers per hour), and on schedule, automatically recorded on a special tape – speed throughout the voyage. In addition, the dial speedometers mounted clock with a scale divided into 24 parts and an index of kilometers traveled by the locomotive for the flight. I shall drive speedometers from coupling the wheel of the locomotive. Transferred to the wheels with speedometers the finger, screwed into the wheel hub.

When you rotate the wheel finger rotates worm gear, ie, the mechanism by which the number of revolutions of the drive shaft speed indicator is less than the number of revolutions wheels of the locomotive. This gearbox is a compound of the worm screw and gear. How they find their way, as defined by the ship's navigator, far from the shore, when, where or oberneshsya, only the sky but the water? How to measure the speed of the ship? In practice, preserved an ancient sea speed measure – unit: What is the measure? The name "node" is associated with a measure of stariyanym speed of the ship by means of lag. Cable, or so-called lagliv with tied at the end of the board to abandon ship tsormy. Board rests in the water behind the passing of her ship, clew up with a cable spool that holds the soda. On the security cable tied knots, otstoyaschie.drug from each other on. certain distance. By counting the number of nodes within a certain time, you can determine the velocity of the spacecraft in the "nodes", currently used mechanical and electrical lots of speed continues to be measured in knots. Node – an independent unit of speed. Say: "The ship comes with a speed of 36 knots per hour" – is wrong. Very well described by the absurdity of such an expression in "The Flying Dutchman," an excerpt from which is reproduced below.


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