| Gear ratios |
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Ratios between the gears which indicates the number of turns that the drive gear has to do so that the driven gear rotates one complete turn. In other words. it is the reduction existing between the different gears. It is obtained by dividing the number of teeth on the driven gear by the number of teeth on the driven gear. The result of this operation is expressed in the form 3.7:1. which means that the drive gear needs 3.7 turns for each complete turn of the driven gear. Each speed has a fixed relationship which together with the differential and the diameter of the wheels give the distance that the vehicle moves after each turn of the crankshaft. In long gears the distance is bigger than on short gears.
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| Gearbox |
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This is the box of sprockets connected to the crankshaft via the clutch whose purpose is to adapt the engine torque to the forward resistance of the vehicle. The power developed by an engine has to be transmitted to the drive wheels based on the needs at any one moment. Each development is a sprocket and there are sequential and automatic gearboxes.
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| Glove compartment |
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A compartment in the vehicle that is for storing small objects: glasses. gloves. documents etc.
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