Several years ago I switched from fixed-blade broadheads to mechanical broadheads. For the uninitiated a fixed-blade broadhead has no moving parts. The 'tip of the spear' (so to speak) consists of two to four razor-sharp blades affixed to a chisel-point arrowhead. Deadly efficient but the aerodynamics of the blades can from time-to-time be problematic in their accuracy. This is remedied by means of time-consuming tuning of the bow on a paper target. And keeping it paper-tuned.
Mechanical heads fly with the accuracy of a field point (an arrowhead without extruding blades and thus no aerodynamic issues) but deploy their blades on impact with deadly results. Braumeister and I both have adopted Rage two blade devices.
Sure, I know that some hunters haven't adopted this technology on the premise that anything mechanical will eventually fail. And while I suppose that is a possibility that's not been my experience. The two-inch wound channel of the Rage makes for a quick kill. For me - case closed.
Just like the death-dealing parts of a fixed blade the components of a mechanical broadhead are reusable and can be resharpened after use. And just like fixed blades you better have some spare parts because sometimes they get beat-up beyond normal repair.
Like this one - which happens to be a crossbow device:
click on image to enlarge
Having struck some bone the blade on this Rage is going to have to be replaced as no amount of work is going to straighten and sharper it to its previous condition.
Here's a high speed video the two-blade mechanical:
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