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Why speedometer is up to 180 kilometers?



To 60 kilometers at most in the general road of Japan,

but it should not pick up speed only up to 100 kilometers at the highest in the legal speed on the highway,

Why speedometer in domestic car is up to 180 kilometers?


It is difficult to mention the only thing as reasons,

but usually cars meter in Japan Automobile Manufacturers Association as premise and is unified by the fact that up to 180 kilometers.

Therefore, even if purchase common vehicles of any domestic manufacturer, making it the meter of up to 180 kilometers.

Other reasons, when facing the tight uphill suddenly graded highway,

since such rear-end collisions by driving without notice decrease in speed there is a case occurs,

even 100 kilometers driving uphill can be as there is a theory that has become speedometer up to 180 kilometers.

When the gradient is assumed to 5% of the uphill, in the flats and is also said to be based on the calculation that it requires a power of 180 kilometers.


By the way, limiter is activated at 180 km in the domestic car.

Meter of up to 140 km in the case of light car, the car in recent years has also overseas specification,

but in the model to be sold in Japan is the meter of up to 180 kilometers, such as meter of up to 200 km in overseas specification,

a variety of meter found. Since the domestic is attached meter is now also in accordance with the provisions of the Japan Automobile Manufacturers Association,

there is no change in the meter of up to 180 kilometers.

Of course, does not mean that It pick up speed,

it is important to protect the legal speed of driving road actually up there because there until 180 kilometers.


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