The car was less driveable. Not sure why, but there are several possible reasons.
1. The different tyres meant that I had to overdrive to set decent (ish) laptimes.
2. The different tyres, with a stiffer shoulder, made the car react in a different way.
3. The setup wasn't bang on - wings, dampers, camber, spring rates, ride heights...
4. I was totally new to the circuit, and didn't get the best out of it.
5. I wasn't driving as well that weekend.
6. The bumpier surface meant the car moved around a lot more
I don't really know. If we go there again I've got a few changes to the car to try, and I'd already have an idea of the circuit before we arrived. I'm sure I could find time with a bit more practice at the circuit!
As for the throttle spiking, I think that's just electrical noise around 100% (so 100% seems to range from 96% to 103% in the worst cases. However, I keep checking the actual throttle travel, and 100% pedal always equals 100% butterfly travel. Because we don't run an alternator, and because the TPS is shared with the ECU and the datalogger, using the ECU's reference 5V voltage, the voltage 'seen' by the logger might not always be comparible to its 5V reference... Does that make sense?
We might be changing to fuel injection for next year, so it might be more possible to fit two TPSs, one for the ECU and one for the logger.
Niels - all I'm saying is that I still haven't driven anything in rFactor that feels like a real car to me, but I have in nKP and LFS. All are flawed, but not equally flawed in the same places.
1. The different tyres meant that I had to overdrive to set decent (ish) laptimes.
2. The different tyres, with a stiffer shoulder, made the car react in a different way.
3. The setup wasn't bang on - wings, dampers, camber, spring rates, ride heights...
4. I was totally new to the circuit, and didn't get the best out of it.
5. I wasn't driving as well that weekend.
6. The bumpier surface meant the car moved around a lot more
I don't really know. If we go there again I've got a few changes to the car to try, and I'd already have an idea of the circuit before we arrived. I'm sure I could find time with a bit more practice at the circuit!
As for the throttle spiking, I think that's just electrical noise around 100% (so 100% seems to range from 96% to 103% in the worst cases. However, I keep checking the actual throttle travel, and 100% pedal always equals 100% butterfly travel. Because we don't run an alternator, and because the TPS is shared with the ECU and the datalogger, using the ECU's reference 5V voltage, the voltage 'seen' by the logger might not always be comparible to its 5V reference... Does that make sense?
We might be changing to fuel injection for next year, so it might be more possible to fit two TPSs, one for the ECU and one for the logger.
Niels - all I'm saying is that I still haven't driven anything in rFactor that feels like a real car to me, but I have in nKP and LFS. All are flawed, but not equally flawed in the same places.