Apex Racing Academy Dallara P217 iRacing Setup Guide - Part 3

In depth Setup Guide from Apex Racing UK owner Alex Simpson for the new Dallara P217 on iRacing!
Part 1 - • Apex Racing Academy Da...
Part 2 - • Apex Racing Academy Da...
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[@radovanthefoley]

That throttle shape is pretty much inverted as opposed to what video says. Lower engine torque increase in the first half of pedal travel with higher number setting, followed by more aggressive progression around 50% pedal travel.

[@papolo2001]

Thanks for the video, just two comments:
Regarding your explanation regarding the first differential parameter “drive/coast locking angle”, I do not see the doubt about what number is drive and what coast, it is written down… “DRIVE/COAST”!!…. But also you say that bigger the number more locking, this is wrong, as the description say these numbers are the ANGLE not the locking, and in the locking differentials bigger angles means less locking both in reality and in any sim, not the other way, also as the description of the parameter states and also as it is in other iRacing cars like the GTEs for example, so bigger the number less locking force.
Regarding the throttle shape parameter, I am agree with previous comment from other guy, all the throttle S shape parameters I know till now are the other way around not like you explain, I mean, the purpose is to have less real throttle at the beginning to avoid issues in lower gears, also testing the car seems to do this. As the parameter comment do not clarify, where did you take the info that it is as you explained?

[@MadRS]

Fantastic video's. I'm always confused with diff settings. With regard to locking force ie 4 plates @ 75Nm v 12 plates @ 150Nm. 4/75 is lower locking force. Does this mean that the diff requires less torque to actually lock up and both wheels will spin at the same rate thus causing over steer?? So 12/150 will require a larger amount of torque from the engine to lock up and both wheels can spin at a different rate for longer on exit thus producing more push on exit??
I always thought with the diff locking up earlier out of a corner that it would create push/understeer until the rear tyre lose grip and oversteer while a more open diff will allow more rotation out of a corner with the downside being less drive due to inner wheel spinning up.

[@ART_Alex]

Other way around Chris. 4/75 vs 12/150 is producing less locking force. So this means the wheel will spin at independent speeds more easily. Because they are free to spin at different speeds the car will rotate more causing oversteer.
12/150 is very locked so the wheels will not spin independently, which reduces the turning rate and thus gives you push.
Your last statement is indeed correct. I will have to check this video again if you believe it was saying the other way around. I will take a look in Sim just in case iRacing have settings reversed.