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The first fairings appeared in the early 50s. In the beginning of the
World Championship races, the bikes were fitted with a front plate
carrying the number and a small canopy protecting the rider against the
wind. This small protection began to grow until becoming a huge fairing
that covered the bike completely.
In the 50s this style of fairings were called "dustbins", and were used by all makes; it covered the front tyre and the chassis-engine set completely. The lack of dimension and design limitations gave way to all kinds of inventions and gadgets, some of them with great aesthetic impact but little effectiveness. The purpose of the fairing was to protect the rider against the wind and at the same time reduce the air resistance rate of the bike as a whole. The most common material in that time was aluminium, a light and easy to shape material. Manufacturers competing in the World Championship began to develop their own works and studies regarding the effectiveness of fairings, always trying to reduce the bike's resistance against wind and to improve aerodynamics. Moto Guzzi, as well as MV Augusta and Gilera, had a wind tunnel built between two mountains at their factory in Mandello del Lario. There, the engineers of the transalpine brand developed their designs for the bikes that would take part in the World Championship. The first dimension and design limitations for fairings arrived in 1958. It was considered that they added too much weight to the motorbikes and that they were too dangerous in case of side wind, because of their large surface. From that year on the fairings had a design and dimensions similar to those used nowadays. The materials used for the fairings also developed with the years. In the 50s and 60s the most commonly used material was aluminium, and with the 70s came the fibreglass, which was very easy, simple and cheap to repair. When the first sponsors arrived in the world of competition, the fairing got a new function and suddenly became the most important publicity carrier of the motorbike. Sponsors began to put their logos and colours on the side surfaces of the fairing and thus began a new era of the Motorcycling World Championship. A step forward was done in the early 90s with regard to the materials used to build fairings. Fibre gave way to carbon and later to the mixture of carbon and Kevlar. These two materials quickly found their way into the World Championship, standing out due to their excellent qualities: crash resistant, light and easy to repair. But its price was certainly not in harmony with the rest of its features. Today, these two components are still the main materials used to produce fairings. Their technical characteristics allow designing and creating much lighter fairings, since it is not necessary to apply so many layers of these materials to achieve the necessary stiffness. Another way to increase the stiffness of fairings is to introduce tiny transversal rods between the different carbon and Kevlar layers. Despite the higher resistance of the fairings, thanks to the
evolution of their design and components, riders' crashes are something
inevitable, that usually leave these elements useless. For these cases,
the Repsol Honda MotoGP team has a total of four complete fairing sets
-1 front, 2 lateral, 1 seat, 1 back, 1 bottom, 1 tank cover and 2
mudguards - fitted to the four Repsol Honda RC211V of the riders, plus
another four complete sets lacquered and fitted with all corresponding
stickers. In addition, for extremely urgent cases, they have all the
necessary tools and materials to repair fairings. |
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