Not sure if this will be useful for anyone, but I made a pretty cool joule chart. : r/airsoft
BB weight FPS limit conversion? | Airsoft Forum
Chrono in Joules Joule Creep Example: How to measure energy? SAFETY DOCUMENTS FOR AIRSOFT FIELDS
Muzzle Velocity Limits
Power (Joule) and fps calculator for airsoft replicas
Ballahack Airsoft - Know the limits and capabilities of your gun! Your FPS may be low, but with a high weight round, it can still carry a heck of a lot of