A racing helmet is one of the most important protective devices for racers. Every detail can affect the protective performance of the helmet. How big is his role as a protective goggles as a window of the eye?

Goggles are transparent lenses that can rotate upward on the front of the helmet. They are generally made of high-strength Lexan resin material, which can withstand the impact of external objects, and can prevent fogging and misleading vision. The field of vision of racing helmet goggles is much narrower than that of motorcycle helmets. This is a majestic way to prevent too wide field of view from affecting the judgment of racers; according to FIA safety requirements, goggles must be able to withstand speeds up to 500 km/h from the track The impact of flying small particles; when the goggles use the 1.2g bullet of the air gun to shoot the lens, the bullet cannot penetrate the inside of the helmet; the coating of the goggles must also be tested to ensure that the visual effect of the goggles will not change or be distorted.

The inner surface of the goggles is coated with a special light-colored paint. The purpose is to prevent visual misleading to the drivers due to changes in light on the track, and to distinguish clearly the changes on the track. In addition to special coatings, the anti-fog treatment of the goggles is also a top priority. motocross goggles The lenses used in F1 racing cars will have special anti-fogging materials added to ensure that they will not be caused by the breathing of the racer and other external parts during the movement. Factors cause the vision of the lens to be unclear.

During the design process, the engineers tried their best to minimize the optical distortion. The object is distorted in shape); in addition to the improvement of optical distortion, there is another important design on the goggles-the adhesive tape, which is fixed by the film knob on the lens, and can be removed and replaced at any time; it The role of the lens is that when the outside of the lens is affected by foreign objects such as dust or rain, the rider can tear it off to get a clear line of sight again. What we see in the usual race is what the driver tears off by hand. This is the layer of adhesive tape. One end of the rubber strip is usually rolled up and has a circular hole, so that it can be easily torn off by riders wearing thick gloves. In addition, this kind of rubber strip usually has more than one layer, and the rider can use it many times. Tear off to get a clear line of sight.

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