Quote:
Originally Posted by Perfectlap
but wouldn't this fairly routine data collected from Porsches already be out there though? I'm no race engineer but I'm thinking privateers must need access to equally if not more in depth telemetry than what would be needed in a road car traveling under triple digits. Or do the privateers have to install third party data-logging hardware for every relevant element..braking, acceleration, g's, throttle, etc. without any access to the onboard stuff rom Porsche? I guess these would be a good question for BGB who raced without factory support.
At any rate if the data Porsche used is too complicated to show and far too proprietary, then that sounds like it wasn't a simple matter of seeing a printout that showed the speed at impact but actually involved some guesstimating by Porsche in order to arrive at the 100+ mph figure.
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Here are the basics of automotive event data recorders;
Event data recorder - Wikipedia, the free encyclopedia
And here is Toyota's official press release on the subject;
Toyota Clarifies the Facts About Event Data Recorders | Corporate
And here is a good Road & Track overview;
Event Data Recorders - Road & Track
Since the EDR only operates in an accident situation, it is not useful for racing data analysis. Instead, privateer's spend a lot of money on third party data collection and recording systems. Usually this means collecting some data from the ODBII or CANBUS on the car, having a GPS subsystem (position and speed and g's), and adding individual transducers for measuring things like braking, throttle, etc. These data logging systems can be quite expensive.