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  Automotive Engineering Forum. Crp Technology > Articles and issues related to motorsport > Racing and Engineering

Racing and Engineering Articles and discussions related to racing and engineering

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Old 10 November 2008
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Default Tire pressure monitoring system in motorbikes

No one would perhaps contest the statement that ours is an age dominated by technological advances in all spheres of life.
No wonder, this spree of technical advances has also spread its tentacles into the realm of motor sports.
There are a whole lot of mechanical engineering technologies that are applied to the motorbikes that are used for the racing purposes.

The mechanical engineering technologies are applied to the racing motorbike because they make the motorbikes safer and take care of the safety and the security of the bikes. Needless to say, this aspect of security is extremely important as it comes to racing as racing inevitably involves lightening fast pace. Besides, these implementations also allow us to enhance the overall performance of the motorbikes.
This includes the all-important aspect of speed as well. Various mechanical technologies are applied to the various parts of the motorbikes and are responsible for the inclusion or addition of the new technologies that are added to the various parts of the motorbikes.

Take for instance there is an elaborate application of the mechanical engineering in the motorbikes tire safety system. Today, with the increase interest in the motorbike racing, the tire pressure monitoring is gaining popularity.
The concerned administration has made it mandatory for the new passenger cars and lightweight trucks about the tire monitoring. However, one must remember that the adequate tire pressure is considered a serious issue when it comes to motorbikes.

This is because there is no adequate security against accidents for the rider in the case of a motorbike racing. It is possible to have many serious accidents while on the run in the case of motorcycle racing.

It has been however found by the motorbike racing authorities that most of the motorcycles that are run on the tracks are under-inflated. The supplier of the “tire pressure monitoring system” has also clarified this.
This is a fact today. Nevertheless, the under-inflated tires have benefits of their own and it has a big potential on the safety measures of the biker in motorbike racing.

It also has a greater impact o the tire life and is secure in case of the fuel economy. Moreover, it has to keep in mind that the under-inflation of the tires also affects handling and braking. It is estimated that the under-inflation of the tires reduces the life of the tire by a third and the added rolling resistance signifies lower gas mileage.

The modern structural changes in the tires have made it sure that the design changes on the tire pressure sensors in case of the four wheeled vehicle is also accommodating the motorcycle rings.

As we know that the truck and the heavy four wheeler tires uses the flat bottom rims for its tires, the modern manufacturers have took to redesign the ‘sensor housing’ for fitting it into the round shaped wheels of the motorcycles. The unit is normally attached top the rim with a tough steel band.

The housing holds the MEMS pressure sensor, a battery, temperature sensor and a RF antenna all neatly packed in a package.
The components are intentionally potted in resin that actually adds to the increase in strength on the package. The sensor actually activates at five miles per hour.
The mechanical unit monitors and measures the pressure at every seven seconds and transmission of the data takes place every five minutes. According to the set up a yellow light for warning is activated at the two alert thresholds. These alert light functions when the tire loses 15 percent and 25 percent of the inflation pressure.
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