RE: Unbreakable shafts and " bone-busting" broadheads
Kudos to " 5 shot" for his efforts. However, ONE shot into steel drums, plywood, and reinforced rubber proves nothing beyond how that particular head happened to perform at that moment… ONE time.
As for a better system to test broadheads. There is a better system and bowhunters using various broadheads are posting the " real-life" results, from Fall into late Winter.