....Three 7 lb long guns with the same stock-barrel geometry and same butt configuration. One black powder rifle, one Shotgun, and one magnum rifle.
Assume these all fire loads producing recoil of the same total energy. One will always have recoil with higher peak force than the other two. In this example, it's the magnum rifle. It will have a high peak force push the firearm, but it will be for less time than the others. This can clearly be "felt". If you don't believe that, you don't believe in recoil pads and hydracoil systems.
Recoil is force/time, to me. Your definition may be different.
Looking back at the original recoil scenario. All three examples of recoil were created by the exact same 'total energy', yet they are perceived differently.
I'm not sure what 'peak force' is. Is it expressed as peak chamber PSI, or is it the mass of the payload x acceleration?
If all the variables have been equalized, including the total energy of the payload leaving the gun, it seems that recoil perception, is purely time related. Is it, the longer time it takes for the payload to separate from a gun with equal opposing force, the less recoil that's perceived? Then a question might be, if all else is equal, what amount of change in time can be perceived as different.
