But only a very small ammount of that available KE isactually transfered to andabsorbed by the animal.

The physical properties of the moving object as well as the physical properties of the intended target determine how that stored energy is transfered to the animal. A razor sharp broadhead is specifically designed to transfer a little energy as possible to the animal. It is designed to pass through this soft tissue as effortlessly and efficiently as possible.Soft tissue like lungs and muscle will not allow that razor sharp broadhead to transfer energy to them becasue they are too easily cut by the blades. Striking heavy bone will obviously allow more of that KE to be transfered to the animal becasue the physical properties of the bone are much different than that of muscle and lung.

Now, remove the broahdead and install a rubber blunt on the arrow and all of the available KE is being transfered to and absorbed by the animal with outso much as breakingtheskinand the arrow will bounce right off the animal. Yes, the available KE is transfered to the animal but what good did it do?