Knowing I shot my 315-grain antelope arrow at 309 FPS, I entered that data to find the most efficient arrow weight for my new whitetail arrow. The technical storage or access that is used exclusively for anonymous statistical purposes. there is very little difference in trajectory when you sight in at the recommended distance that is supplied with most crossbows. While KE is an important factor in penetration, momentum is also critical because it determines the arrows ability to push through the target. And we purposefully say "speed that could be achieved" because these marked speeds are not usually the ones that an archer can attain while using his bow with his specific setup. Arrow drop test results What is the maximum range for a crossbow? Light Blue: Range of efficient arrow weights. To make the change inarrow, I went back to ourArrow Efficiency Calculator. The combined speed, kinetic energy, and momentum calculator below will help you estimate the potential each arrow has based on its weight and your personal bow setup and settings. And second, faster arrows leave less time for the animal to react to the shot sound. Calculations are largely based on the Exterior Ballistics of Bows and Arrows paper. 36 Yards - Maximum Point Blank Hunting Range. All Rights Reserved. By drawing your bow, you convert mechanical energy (ME) and store it as potential energy (PE) in the bow limbs. The most critical factor is the IBO speed entered as this is the starting point of the calculations. Bowstring weight: Adding weight to a bowstring (peep sight, string silencers, string loop) will affect raw speed, but not by much. Here are the results of a research that compared the effect of a deer jumping the string when shot using bows with different speeds at different distances: For instance, we can see that at 30 yards, a shot deer would drop about 6 inches before an arrow reaches it, if said arrow travels at 258 FPS. Finally, using our arrow ballistics calculator (which requires that both arrow speed and mass are known) we determined the values plotted in the chart below.
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