Broadheads for high draw weight bows
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Here are some “points” to consider for all you single blade broadhead fans. Straight blades have a higher mechanical advantage than concave or convex blades. However, durability still trumps mechanical advantage. When I was doing product research and technical assistance for Grizzlystik, I found that bone breaking and live animal penetration was more consistent with the convex style heads among the higher poundage compound customers. My durability testing revealed that some longer heads, though they have more penetration "potential" due to their higher mechanical advantage, at times they would bend or break somewhere in the narrower front third of the broadhead during a heavy bone impact. When a broadhead breaks, all penetration stops. For this reason if you shoot a higher draw weight compound bow (70 lbs. and up) you should use a wider tip or switch to a slightly convex style broadhead. Having more metal up front solves these occasional durability issues with high energy bows.