High Frequency Waves Windshield Technology
High Frequency Waves Windshield Technology to Make Wipers Obsolete
Automakers are always looking for new ways to make their vehicles more aerodynamic by removing or modifying parts and it looks like the next component to go will be windshield wipers. At least, this is currently the plan for McLaren which is working on a new technology that will serve the same function as windshield wipers but instead will use high frequency sound waves.
How Will It Work?
The idea behind this innovative new technology is to create a force field made out of sound which will cover the windscreen. An ultrasonic transducer will be responsible for producing sound waves which, in turn, will create vibrations powerful enough to remove any dirt or water from the windshield. There should be no concern regarding the noise – the sound waves would be so high in frequency (30 kHz, to be exact) that they would not even be audible to bats; moreover, the vibrations would not be detectable from inside the car.
Even though this concept sounds very futuristic and perhaps even implausible, it has already been applied to jet fighters. Specifically, they are used for the bubble canopies of some of the latest models of jet fighters. If McLaren does decide to use this new technology, there is no word yet on when this will be – the company has just recently released its latest car, the McLaren P1 and it does not have high frequency sound wave windshields.
The Benefits of High Frequency Waves Windshields
McLaren is a company which is obsessed regarding even the smallest details of its vehicles so it is not surprising that it would attempt this change in order to improve the aerodynamics of its future cars. There are also the weight considerations to take into account. The wipers themselves are not very heavy, but they are powered by a motor which would also be removed. However, it is unknown at this time whether the new system would be substantially lighter so this is not necessarily a benefit yet.
In terms of efficiency, this new technology would definitely be an improvement since it would work almost instantly. Even if a car has been drenched in heavy rain or snow, the system should eliminate all debris and improve visibility substantially.
One issue McLaren might encounter if it does decide to bring out this feature is with the National Highway Traffic Safety Administration (NHTSA) which requires all cars, by law, to have windshield wipers. The company would need to receive an exemption in order to keep its cars street legal.