Saturday, June 13, 2009

THE ROAD-GOING VERSION OF THE 2009 APRILIA RSV4

The Aprilia RSV4 is propelled by the most powerful engine ever developed by Aprilia, a 65° V-four unit based on an architecture that is unique in the world of supersport motorcycles. The new engine uses multi-mapping ride-by-wire technology which offers virtually infinite opportunities for power delivery and traction control (present as standard on the racing version Aprilia RSV4).
The choice of a narrow V engine layout in the Aprilia RSV4 has led to the development of an incredibly slim engine. This in turn has permitted weight to be centralized and chassis performance dramatically improved (thanks to a short wheelbase and long swingarm). The narrow V-four configuration permits a longer stroke to be used, with clear benefits in terms of improved engine breathing.
The monobloc cylinder block of the Aprilia RSV4 features integrated liners for maximum rigidity and consistent efficiency. The air intake trumpets are variable in length. Each bank of cylinders has a servomotor dedicated exclusively to the operation of their two throttle bodies. The aperture of the four butterfly valves, and therefore the volume of air inducted, can therefore be controlled independently. This solution opens up new horizons in electronic engine and power management, resulting in truly advanced integral traction control. A cassette type gearbox and a slipper clutch reveal the racing origins of the RSV4's drivetrain.
The 2009 Aprilia RSV4 was designed and developed with competition in mind, and naturally offers all the adjustments normally found on racing machines. In particular, the RSV4 stands out for its complete range of chassis adjustments. The variable geometry frame of the Aprilia RSV4 not only allows riders to change parameters like headstock angle (thanks to interchangeable steering bushings), but even allows for adjusting the swingarm and engine position. Racing technology has been used for all aspects of construction. The RSV4's aluminium frame and swingarm are constructed from a clever mix of thick-walled parts and variable section sheet. Chassis components of the Aprilia RSV4 include Öhlins forks, rear monoshock and steering damper, and Brembo monobloc brake calipers and forged aluminium wheels.
The styling of the 2009 Aprilia RSV4 has followed the same approach as the rest of the design. The RSV4’s racing pedigree is clearly visible, and the fairing has been developed in the wind tunnel for optimum aerodynamic performance. The visible frame and engine are designed to appear like bulging muscles protruding beyond the fairing.
The triple headlight cluster of the Aprilia RSV4 is designed to be instantly recognizable and unique from the very first glance. The lightweight tail section is raked upwards to emphasize the deeply sporting nature of the Aprilia RSV4.

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