You might want to try this method for measuring piston and combustion chamber volume.
It produced adequate results for my needs without creating a mess, or robbing my piggy bank in the process.
The crude short videos below were recorded early A.M. December 9, 2025 will be available to view for a limited time.
Piston volume
21.872 cc:
photos.app.goo.gl/c9zyXeB8uDivpkVJ8
photos.app.goo.gl/gVSyfzytp9PifjSo7
Combustion chamber
44.36 cc:
photos.app.goo.gl/D4BLEwMG6XGz7eqK8
photos.app.goo.gl/f3dWPiSmRqpUdxtr8
The Omni compression ratio
10.252:1
result
was based solely on measurements derived from the processes shown.
Please advise me of mistakes you may find in my calculations.
😉