2006 Yamaha MotoGP YZR-M1 Technical Presentation
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Transcript of 2006 Yamaha MotoGP YZR-M1 Technical Presentation
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YZR-M1 TECHNICAL PRESENTATION- The evolution of the YZR-M1 during the 990cc period -
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Contents
Development objectives YZR-M1
Evolution of the YZR-M1 during 02 / 06
YZR-M1 development in 2006
Conclusion
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Development objectives YZR-M1
Chassis
Maximize agility
Engine
Best balance
Power and Drivability
EMS
Direct NaturalFeeling
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YZR-M1 Concept
Engine Brake Control( ICS System )
2002
2003
2004
Uneven firing order4-valve engine
2005Frame without cross member
2006
- Fly-by-wire (FBW)throttle system
- Start Control System
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Evolution of YZR-M1
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Development objectives of YZR-M1
Short wheelbase
Longswing arm
Mass
centralization
Low drag
fairing
Well balanced
frame
Chassis Engine
High REV & High power
Compact & Light weight
Engine Management System
Ridable Torque Control
Natural feeling engine brake
High reliability
Better fuel economy
* Compared to 2005
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Chassis
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Air intake passage
02 - 04 05 - 06
Evolution of frame
No cross member
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Evolution of aerodynamics
Front: Decrease CD*A means more speed and acceleration.
Side: Decrease yaw characteristics means better agility .
These 2 subjects are incompatible .
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Mass centralization
Change of fuel tank
20032005
Engine constitutionWell balanced4 axis location
The relocation of elec. parts( ECU, Data logger )
Below meter panel On the tank rail
Shorten AXLE distance
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PITCHROLL
YAW
Result of mass centralization
Mass centralization reducesbike inertia
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Engine
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In-line engine is best configuration to achieve M1 development objective
Engine configuration
Shorten AXLE Dist.
Shorter Wheelbase Longer rear arm
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Evolution of engine specification
Betterridability
Short stroke5Valve
Even-firingUneven-firing Gear Train
Morepower
4Valve
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Evolution of engine performance
500cc
02
03 04
05
06
3000rpm increase
25Kwincrease
38Kw
Difference
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Engine Management System (EMS)
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Evolution of EMS
2002
20032004
20052006
Engine Brake Control
Air by-passClutch control
Throttle
Engine Brake ControlTorque Control
Traction Control
Engine Brake Control
Torque Control
Traction Control
Wheely Control
Launch Control
ICS System
Fly-by-wire system
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2006 YZR-M1 Development
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< Chassis: More agility/stability >- New design frame
- Modified rear shock mount
< Engine: More power >- Change bore x stroke
- FBW throttle
Target of 2006 YZR-M1 Development
- New strategy of engine brake
- FBW Throttle control
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Modif ication from 2005
Stiffer Rear Shock Mount
< Chassis > < Engine > < EMS >
F-B-W throttle
EG Torque ControlEG Brake ControlWheely Control
0605
Bore x stroke
More rev & power achieved
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QatarTest/Feb
R5LeMans GP
R13SepangGP
R12
BrnoGPR4
ChinaGPR3
ISTGPIRTA
J EREZ
C
hassis
E
ngine
2006 Development flow of YZR-M1
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Conclusion
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1) YZR-M1 is designed and developed to achieve the best handling.This concept feeds back to production bikes YZF-R1, YZF-R6.
2) The adaptation of uneven-firingtechnology to the in-line 4 cylinderengine has made a big improvement in ridability. This technology isspreading in MotoGP.
3) Through 2002 2006 the engine management system has seen a lot of
progress. Each year sees an increase in the number of items on the bikethat are controlled by the EMS system.