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THE NEW GENERATION BMW MOTORRAD SYSTEM HELMET 5 Fitted with optional Bluetooth technology, the retractable helmet enables wire-less communication between motorcyclists. The system is not vehicle-based and carries the legend WCS-1 (Wireless Communication System); it is completely integrated into the helmet and homologised for this purpose. WCS-1 consists of two virtually invisible Array microphones in the forehead area; a digital signal processor (DSP) to filter interference and wind noise; a Bluetooth module, two speakers and an integrated set of batteries. On the left (of the helmet) there is a control panel with three buttons for the operating functions: “On/Off/Select” (this includes “pairing”, which connects the two devices, and “multifunction” for connecting further devices) as well as “+” and “-“ for loud and soft. Conversation is clear even at speeds of over 150 km/h, depending on the motorcycle model. The installation kit weighs little more than a bar of chocolate (approximately 120g) and can be used for several hours with a fully charged battery. At the moment, mobile phones with Bluetooth capability can also be connected. Connections for other Bluetooth devices are planned for the future, e.g. MP3 players. This technology is installed in the new System Helmet 5, which features an outer-shell manufactured by hot press, and made from glass-fibre and a carbon and Kevlar laminate. The helmet offers excellent aero-acoustic properties. The noise level at 100 km/h is only 86dB(A) and makes the System Helmet 5 one of the quietest retractable-front helmets on the market. The helmet is also aerodynamically innovative. It is ‘neutral’ in the air stream and only has mild aerodynamic resistance when the head is turned. A high level of impact damping has been achieved by the segmentation of the EPS helmet shell (expanded polystyrol) with impact resistance in eight individual segments. The chin section can be opened or closed with one hand thanks to a new mechanical system, which uses bowden control. The helmet’s intake of air is simple to regulate. The visor ventilation can be closed and operated by a sliding button on the chin guard. For head ventilation, there is a similar button at the forehead, which has two settings. At the back of the helmet the air stream is regulated to continuously variable levels by a slider. Ventilation openings are at negative pressure levels and thus maximise the air stream inside the helmet. A chin-strap integrated into the neck band helps prevent the helmet from turning. In the event of an accident it remains in the best possible position to protect the head. On the chin-strap covers there are noise flaps which close off the helmet and prevent turbulence reaching the ears. Like its predecessor, the helmet weights only 1,690 grams. It has a breathable DuPont Coolmax interior lining which can be removed for cleaning. In addition to the three-dimensionally curved, scratch-resistant and anti-fog-layered visor, accessories also include a toned, double-panel air visor (shortened visor) with the same properties. Jet helmet side sections as well as cheek and neck pads are available in various sizes. The style of the BMW Motorrad product range is reflected in the design of the helmet – the five available colours harmonised with those of the motorcycle range. A customer can choose between Night Black non-metallic, Titanium Silver metallic, Manganese Blue metallic, Magnesium metallic matt and Rock Red metallising.
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