Originally Posted by English
You seem to think that ballistic gelatin is representative of human flesh. This is a remarkably naive concept for a scientist. It has been developed and adjusted to model just one aspect of human flesh. That is, it has been developed to provide approximately the same average resistance as flesh so that the depth of penetration of bullets can be measured in a repeatable way in a consistent test medium to give an approximatley one to one relationship to their penetration in real people. As it does this, it also produces a similar degree of bullet expansion.
If you try to extend the gel model beyond this, it fails. Its tensile strength is not the same and so its resistance to the expansion of the temporary cavity is not the same. The tears is the gelatin block cannot be the same as the tears in real flesh. Even the permanent cavity cannot be the same since part of the size of the permanent cavity in flesh is a result of the bursting of cells and gelatin has no cells to burst so the mode of disruption has to be different.
I meant to bring this up earlier. Well said.
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