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Typically a little more fuel would be added in order to assist with in-cylinder temperatures, but the ignition timing is a little more tricky. The launch control function also allows us to make fueling and ignition changes while the function is active. throttle position can also help tame big, powerful, fire breathing drag cars when trying to bring them into the staging beams, reduce engine wear as much as possible and even confuse your competitor when the RPM limit keeps changing depending on the racers right foot. The same method of mapping the launch RPM vs.
#LAUNCHCONTROL FACTORY DRIVER#
When the desired boost pressure has been achieved the driver can go to full throttle which will drop the engine RPM to the mapped launch RPM and you’re ready to go! This allows the driver to have a higher launch RPM at 50% throttle and low boost, thus inducing more exhaust flow, resulting in more boost pressure, resulting in more power. We can look at throttle position and boost pressure for example but you can choose any tables. This feature controls the launch rev limit but allows us to map the limit vs. This limit allows the driver to hold the throttle flat and the engine to bounce off the lower rev limit in order to launch consistently.īuilding on this strategy, we can now look at the Launch Control function, which is similar to the Aux RPM Limiter but with a little more functionality. All these allow us to change the sound and speed of the rev limit noise from smooth and relatively quiet to aggressive and wild! We have the option of cutting fuel, ignition or both in order to achieve a consistent launch RPM, as well as the option of a hard cut, soft cut or cut-off rev limiter. The engine will react exactly the same as it normally would (same fuelling, same ignition timing), except the rev limiter that’s normally at 9000RPM is now at 5000RPM. When the clutch or brake pedal is depressed or the trans brake is active a secondary engine rev limiter is activated preventing the engine from revving past this value. The most basic form of launch control is the Auxiliary Rev Limiter. Is the car automatic or manual? Is it turbocharged or supercharged? Does it make the required launch power under its own steam or does it need a little help to get there? Let’s go through a few common scenarios and explain what’s actually happening in order to get the car to take off. This fairly ambiguous term describes a whole range of different engine management functions. In order to achieve these right launch conditions we employ a function universally known as Launch Control. We also need to be able to alter this launch power depending on the racing surface and the track conditions. 2006-2011 Aprilia RXV, SXV, MXV 4.5/5.In order for a car to launch consistently we need the engine RPM, throttle position and manifold pressure to be in a state that makes exactly the right amount of power in order for the car to take off as quickly as possible every time.
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RSV Tuono, Tuono R, Tuono Racing, and Tuono Factory (2002-2005).Aprilia Owner Rides, Trackdays, Meetings, and Events.Aprilia Owner's Pictures, Videos, and Sounds.Quick Navigation 2012-2022 Tuono V4 - All Variants Top If you aren't spinning the tire to warm up don't worry about turning off ABS. I recommend having Launch Control and Wheelie Control on 3 your first time doing it and Traction control maybe on 2. When you have the clutch held in you can pin the throttle all the way and it will hold at 8000rpm I beleive(i forget the exact RPM) and theoretically you should be able to dump the clutch and have a smooth takeoff. I just usually kept it at 1 because it will help with that first 10 feet which is all you need it for but after that you shouldn't be spinning.Īlso if you didn't know when you are using ALC. If it is off the tire could spin depending on temps and road surface. But on that bike I couldn't turn it off.Īnd traction control is pretty self explanatory. It did this on my Ninja 650ABS as well when I would spin the tire. If you spin the tire to warm it up the ABS will throw a "fault" that is indicated by the ABS light staying solid which is easily reset by restarting the ignition. Once we get some good weather I’ll start to have a play with the system.No ABS has nothing to do with takeoff. So when you engage LC it does behave differently depending on the TC and ABS settings you have etc?