[kalal]

> "I tried to match my lapsim program to telemetry from the 2020 Spanish GP, I arrived at CL = -5.421 and CD = 1.150"

This is very interesting. Does it mean that the author has access to 2020 Spanis GP telemetry from Williams?

[t0mas88]

You can get quite detailed timing data from the F1 app. If you have the speed and time data for a sector that's completely full throttle and straight you can calculate quite a lot.