British Sprint Championship competitor Life ECU Data Deep Dive in to the crash at Mallory June 2024

Details on why the car didn't slow down as expected, and what caused me to miss the entrance to the Edwinas Chicane.
Chapters
0:11 Introduction
1:14 Five graphs
2:31 Analysing the data from the ECU
6:12 TPS TOO HIGH
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[@itsalldoable]

Very interesting. You can't argue with data 👍

[@ZetecinsideMotorsport]

There is no where to hide with properly configured data logging

[@podd372]

That's interesting. In my road going skoda superb dsg, I cant have brake and throttle on together (no left foot braking 😂) or the engine cuts if I try. So it must be possible. Is there a bias bar on the brake peddle? Ive had a situation where the bias bar was catching the throttle peddle on my car.

[@ZetecinsideMotorsport]

We've had someone point out where in the ECU this can be set, to cut fuel if brake and throttle are both pressed simultaneously, and brake pressure and throttle percentage targets are both adjustable. The table is all zero by default, so I'll be setting it up carefully before I next drive the car. I'll check the brake bias bar, great suggestion thanks 👍

[@DavidMalenczak]

I assume this wasn't youre first time there. Do any of your previous laps show the brake and accelerator being applied at the same time?
This might give you an indication if you are hitting both pedals. I assume it's drive by wire, could it be an electrical gremlin?

[@ZetecinsideMotorsport]

Yes it looks like the pedal was also pressed on the previous run, and there is evidence from the previous event at Curborough where something similar happened, though only a few percent rather than 50%. I'll check the pps sensor and linkages.