Aprilia V4 Race Machine Engine

AN AMBITIOUS PROJECT AND TECHNICALLY ADVANCED, APRILIA 'WITH FOUR CYLINDERS OF S FIRST, IS READY TO BECOME THE NEW POINT OF REFERENCE FOR ENGINES OF SUPERBIKE WITH THEN CV 210 IN THE CONFIGURATION OF SUPERBIKE. THE FUTURE NARROW EAST ALREADY HERE IN THE FORM OF V FOUR PACKED WITH THE TECHNOLOGY OF PACE-SETTING.
Aprilia 'passion of S to pack has the deep roots. Since Aprilia started, competition, and the occasion for the direct comparison that it has the average ones was always looked like conveys for the promotion and like manner of improving technology of bicycle of production. In this context, the championships reserved for the motor bikes production-derivative are most important of all the series of race to advance the technology seen on the standard road-active motor bikes. Competing packing is the engine which leads Aprilia 'technicians and originators of S in a world where Aprilia is given to remain with the top. It is the bottom with the development of the most revolutionary engine and most powerful (then cv 210 in the configuration of packing) ever built by Aprilia. The new powerplant with four cylinders is intended for the use in Superbikes in an immediate future. In it, the advanced technology of engine combines with materials of prestige to provide the best execution than the design of frame of motor bike nowadays can handle.

The project was accomplished entirely internally, in one of the most modern departments of research and development in Europe, to guarantee the order beating all the records of execution and power. Just a few months of fast development took the project of the stage of general provision to the unit of the first prototypes and starting of engine for the initial output test of bench.

APRILIA 's INITIALLY WITH FOUR CYLINDERS
The innovating solutions, advanced materials, and the pure technology of packing are the DNA even of Aprilia 'again driving of machine of race of S. It 'the not very common provision of S makes it single among the world 'the engines of production of S. Aprilia 'know-how wide of S in the development of frame for the narrow engines of V should not certainly be wasted. This is why, after so much of tests and simulations, 65� was selected like the ideal angle of V for the new one with four cylinders. Since this angle almost identical to that is currently employed by Aprilia for its twins of V, Aprilia will be able to fully use its enormous richness of experiment frame to conceive.

The choice of a narrow configuration of V makes it possible the engine to be longitudinally incredibly compact. This means that the weight will remain concentrated around the center of the bicycle. This alternatively will makes it possible the execution of frame to be optimized (by maintaining the shorts of long footing and the swingarm). Moreover, because a V four can be right like narrow that a twin, larger cylinders can be employed to ensure itself than the better breathing power and higher produced without increasing and aerodynamic width to corrupt itself. (The new engine can rev with 13.500 t/mn narcotic.)

By choosing an angle of V slightly larger than 60�, the team of design had enough space to optimize the way of the areas of admission in order to maximize the effectiveness of engine. The machine of race of Aprilia asserts a dynamics of the fluids more effective than any other narrow V-engine.

The team of design of machine of race was accustomed to the currently available most powerful computation software to rationalize the provision of engine. The speed of valve is led by an original system which makes it possible the incredibly compact cylinder heads to be used. A side chain of cam, leading only the cam of admission, follows the ideal way of drive for the synchronization of valve of precision and the life to chains prolonged. A pair speeds in the center of the line of cylinder retransmet the order with the exhaust valve cam. This solution made it possible Aprilia to develop a cylinder head which is surprisingly compact in the sector of exhaust. Incredibly, the machine of race is much more compact than V60 magnesium currently installed in the RSV.

A tree tensioner brings back the primary vibration to a subordinate of level to that of the 90 degrees V.

The cylinders are placed in a frame of monoblock with the coatings integrated for the maximum effectiveness of rigidity and constant.

All this advanced mechanical design is obviously supplemented by futuristic electronics. The machine of race of Aprilia employs the technology of assemble-by-wire with a provision of wiring never previously seen on any motor bike. For example, there is no direct connection between the handle of power control and the butterflies of power control. The action of butterfly is ordered entirely by an unit of management of engine of Marelli of the last generation. Each line of the cylinders has a devoted servo-motor which operates only its own bodies of power control. The opening of the four butterflies and consequently the quantity of fuel aspired can thus be ordered independently for each line. This advanced solution open new horizons in the management of engine of raised power, providing almost infinite flexibility in the order of the output of power under all the possible conditions of horsemanship. Even the true ordering of traction became possible. After all, a however powerful engine deserves only best management.

The installation carburizing uses two injectors per cylinder, one downstream from the butterfly of power control and an injector of jet in the airbox which commutates inside under the high load and the conditions at high speed.

Even the transmission was conceived using the most advanced criteria to ensure the maximum execution. The origins of packing of machine of race are clear of its gear box of cassette, wet sump, and wet clutch of push rod.


2009 engine of machine of race of Aprilia V4 - characteristics of press release

Displacement: 999 DC
Provision: 65� V4
Body of engine: monoblock with coatings integrated in the casing of crankshaft
Power: then cv 210 in the configuration of Superbike.
Speed of valve: 4 valves per cylinder (titanium and Nymonic) actuated directly by camshafts led by a mixed ordering of chain/speed, with the side chain and central speeds.
Installation carburizing: electronic fuel injection with two injectors and order independent of assemble-by-wire for each line of the cylinders.
Tree tensioner antivibration
Word rate maximum: 13.500 t/mn
Compression ratio: 12.5:1
Gear box: type of cassette six speeds
Clutch: multi-dish in the oil bath with the system of push rod
Electronics: Magneti Marelli ECU for the management of lighting, injection and assemble-by-wire.

Aprilia 'search for S for the innovation led to a new revolutionary provision which goes in the opposition all the current designs to engine of production, and which is intended to shift the borders of the technology of motor bike of production.

 
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