![]() One of the most critical points to consider with any arrow is straightness. They still enable you to maintain kinetic energy due to increased wall thickness. Since most micro-diameter shafts are lighter, they allow you to use more weight up front to improve flight characteristics and long-range accuracy. The reduced surface area of an arrow smaller in diameter also reduces the amount of drift your arrow will see on a windy day. This enables your arrow to maintain momentum for a longer period of time. Small-diameter shafts enable increased penetration due to less surface area and friction behind the broadhead. Personally, I made the switch to micro-diameter shafts a few years ago for hunting and I will never switch back. Should you select a mid-sized arrow or go with an ultra micro-diameter arrow? The diameter of a hunting arrow is another big component of arrow selection. point you may need to use a weaker spine. As draw weight increases, so should arrow spine. point, you may need to use a stiffer spine. To determine the correct spine, you can check out the static spine chart below. This chart is based on a 100 gr. You can further manipulate the dynamic spine of an arrow and make it stiffer by shortening the arrow, decreasing bow weight, point/insert weight combinations, or adding weight to the back of the arrow. This takes into account all of the unlimited variables and components of an arrow, broadhead design, fletching weight, additional arrow wraps, insert weight and bow speed. This directly relates to arrow “bend.” Dynamic spineĭynamic spine is the way an arrow reacts from the stored energy as the bow is shot. The number of inches the arrow bends multiplied by 1,000 is the arrow’s spine. To calculate this, arrows must be 29” long and supported at two points 28” apart. weight is hung from the center of the arrow. Static spine is how much an arrow reacts when a 1.94 lb. I always choose my arrows after taking static and dynamic spine into consideration. The spine is a measurement of the arrow’s stiffness, in most cases the lower the recorded number on the arrow, the stiffer the spine. This is one of (if not the most) important aspects of selecting a hunting arrow. The arrow will flex mid-flight and will cause inconsistencies downrange. If you shoot an arrow that isn’t spined correctly, it would be similar to shooting a banana out of your bow. These arrows are extremely durable and the small diameter and thick wall of carbon in the middle provides consistent arrow flight, spine, straightness and increased penetration. Aluminum arrows are quieter out of the bow and allow a wider range of spine choices.Īluminum/Carbon: these arrows combine the best qualities of carbon and aluminum, and combine them into one. Carbon arrow are lighter, faster, penetrate better due to smaller diameter and carbon doesn’t bend like aluminum.Īluminum: these arrows are a great option if you are not concerned with speed and want a heavier arrow. Here are all of the things I take into consideration before selecting my arrows each year: Arrow materialĬarbon: these arrows dominate the market these days and for good reason. When selecting arrows, you need to take into account your draw weight, arrow length/draw length and your point weight, but in order to do that, you will need to know a few things on critical arrow components. You need to do some research to find that perfect arrow shaft. Arrows are determined by your body type, and the kind animals that you are pursuing. Since there are so many variables involved, it is difficult to say that one arrow is perfect for all bowhunters. Having the correct combination of spine, diameter, straightness and weight can get you there. Bowhunters like to spend a lot of money on the newest bows, sights and rests, but then buy cheap arrows from a store or pro shop.Ĭontrary to popular belief, there is always a perfect arrow out there for your setup. ![]() Proper arrows are extremely important if you want correct arrow flight, especially when shooting broadheads. Selecting arrows for the next hunting season can seem like a daunting task.
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