Excellent work! These lap time comparisons with varying grip/surfaces are very interesting.
One way to eliminate bias that could be more convenient than e.g. reversing the tracks is testing on the Mindscape 1990 game version -- with it, left turns aren't faster than right ones.
Quote from: Zapper on March 21, 2025, 04:23:25 PMAs you can see from the screenshots taken with Bliss, for both track types there is a base asphalt path and two symmetrical paths on dirt and ice surfaces for better comparison although these can surely be biased by the game's steering bug.
One way to eliminate bias that could be more convenient than e.g. reversing the tracks is testing on the Mindscape 1990 game version -- with it, left turns aren't faster than right ones.