I'm no engineer, don't even play one on TV. This is merely my thoughts and not meant to bash anyone's selections of broadheads. I don't like mechanicals, even in high poundage, high KE, fast bows. The require energy to deploy the blades. Energy that I would rather ust to push the arrow through the deer.
Me personally, I'd use a head like a stiker or slicktrick for a lower KE bow. Or even a two blade like magnus stingers.
that's just me and my irrational thoughts though. I have many of them