Launch Control: Two Step Launch Control Explained
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Two Step Launch Control Explained
01.59
| 00:00 | - A two step launch control is probably one of the most common ways of achieving launch control, so we'll start by dealing with the techniques needed to configure this. |
| 00:10 | The specifics of the set up will depend on the particular ECU, however the basic concept is still universal. |
| 00:17 | We need to start with a method that can signal to the ECU that we want to enter launch control mode. |
| 00:24 | The typical option here is to use a digital switch fitted to the clutch, or perhaps a button fitted to the handbrake or steering wheel that the driver can control. |
| 00:34 | An alternative option available in some cases though is to use the wheel speed input to indicate when the car is stationary, and hence should enter launch control mode. |
| 00:45 | Since I've mentioned clutch switches, it's worth discussing a couple of tips here than can help improve the performance of your launch control system. |
| 00:54 | Many people make the mistake of incorrectly fitting the clutch switch. |
| 00:58 | And this in turn can cause some frustrating problems with the way the launch control system disengages. |
| 01:05 | What we want the clutch switch to do is to switch right at the point the clutch starts to engage. |
| 01:11 | And understandably, this is going to be somewhere close to the floor. |
| 01:16 | Many factory cars are already equipped with a clutch switch, but often for simplicity this is placed at the top of the pedal. |
| 01:24 | It might not seem important, but this means that when you release the clutch to launch the car, the launch control system will remain active for a few moments after the clutch has begun to engage. |
| 01:37 | This can result in the car bogging instead of launching cleanly. |
| 01:41 | At the other extreme though, if the clutch switch turns off before the clutch engages, the engine RPM tends to flair before the clutch can bite. |
| 01:51 | And this defeats the point of the launch control system, making it hard to get consistency. |
