The speedometer is the device which is used to know the instantaneous speed of any vehicle.

The distance travelled by vehicle between any two points can be known by the odometer. To measure the distance travelled we use the device named odometer. What is the difference between speedometer and odometer? A trip meter indicates how far the car has traveled during a certain period of time. Part of the odometer includes a trip meter. It can be mechanical, electrical, or a combination of the two. The odometer on a car tells how far the vehicle has traveled. Because the electronic speedometer is actually a relatively new invention - the first all-electronic speedometer didn’t appear until 1993 - this article will focus primarily on the mechanical speedometer, or the eddy-current speedometer. There are two types of speedometers: electronic and mechanical. What are the two basic types of speedometer? You should stop driving a vehicle with a non-functioning speedometer until it can be checked by a mechanic. By not knowing your speed, you may put yourself at increased risk for citation by police officers. Can I still drive my car if speedometer doesn’t work?Ī vehicle with a speedometer that doesn’t work can be very unsafe as well as unpractical. As the speed cup turns, it turns the pointer up the dial, indicating the car’s speed. The cable spins a magnet around at the same speed inside the speed cup. The speedometer cable, powered by the driveshaft, turns as well.

When the engine turns over, the driveshaft turns to make the wheels spin round. Also, some mainstream cars have some souped-up cousins that go faster and need higher speedometer numbers. That’s because the tires can overheat and fail at higher speeds. Although cars with high-horsepower engines can come close to the top speedometer speeds, most are limited by engine control computers.

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