This is a remix demonstrating how you can use a "tick" broadcast to achieve perfectly synchronized animation. Look inside for details.
The concept is exactly the same as in the original projects, but I have changed the code and updated the graphics. Thanks to @s_federici for the original project Real Four-stroke Engine with cylinder (NO TRIG, NO VAR): https://scratch.mit.edu/projects/435902164 Thanks to @ngmr for the original project Engine (unfinished): https://scratch.mit.edu/projects/70365