Based on these conditions, the FPS is then measured with a certified chronograph and the results are listed in the bow’s product specifications.Ĭrossbows do not have a similar standard used to compare FPS results across different crossbows. The IBO standard is the speed of a 350-grain arrow released from a 70-pound bow with a 30-inch draw length. The compound bow uses an IBO standard to allow the user to compare all compound bows with a single standard. The FPKE combines the FPS with the arrow weight to let you know which type of game can be hunted with that particular bow. Foot pounds of kinetic energy (FPKE) is a more accurate measurement that tells you how powerful your shot will be with an arrow of a certain number of grains. You do not want to wound an animal and have it run off only to suffer and die days later.Ĭrossbows and compound bows both use feet per second (fps) to give a general number of how fast the bow will shoot. When you are hunting, the goal is to not just shoot fast, you need to be able to hit a target with enough force to kill it humanely. Speed and kinetic energy are important to determine the range and effectiveness of your shot. For some detailed information on these features as well as a guide to our favorite compound bows on the market, check out our article here. Some of those features include handedness, type of Eccentric System, let off percent, IBO and FPS speed, axle to axle length, brace height, draw length range, draw weight, riser styles, limb styles, and price. There are many features you need to consider before purchasing a new compound bow. Also, if you need to replace a bowstring, it is far more complicated than replacing a string on a traditional bow and often you will need professional assistance to do so. One technical disadvantage of the compound bow compared to traditional bows is the larger number of moving and mechanical parts require additional maintenance and create more places where the bow can fail. The average archer can use a compound bow that has a draw weight 15-20 pounds heavier than what they could manage on a traditional bow. Without going into great detail about the mechanics of let-off, it allows the user to draw their bow easier and to hold their draw longer as they aim a shot. Some of the reasons that archers choose the compound bow over other bows can be highlighted in the compound bow’s advantages.Īdvantages of the compound bow include the concept of “let-off”. Though more people are going back to the use of traditional bows, the compound bow is by far the most used in hunting and target shooting. The mechanical advantage also allows an archer to have a much higher draw weight than they would with a traditional bow. The stiffness allows the compound bow to be more energy efficient as less energy is lost by limb movement during a shot. The pulley and cam system gives the archer a mechanical advantage and allows the limbs of the bow to be much stiffer than a longbow or recurve bow. Compound Bows – What are they?Ī compound bow is a bow that uses cables and pulleys to bend limbs when the bowstring is drawn. For a detailed explanation of these different features as well as our recommendations for the top crossbows and crossbow brands, check out our article here. Some of those features include axle to axle width, power stroke, limp type, draw weight, FPS and FPKE, weight, stocks and cheek pieces, noise, cocking mechanisms, triggers, sights and scopes, and price. There are many features that you need to consider before purchasing a new crossbow. They are more portable, light, and can be fun for someone going after squirrels and other small game. They are said to have a useful range of only 30-yards. The pistol crossbow is much smaller and less powerful than both the compound and recurve crossbows. A compound crossbowĬompound crossbows are the most powerful form of the crossbow and will shoot a crossbow bolt at much higher speeds than the recurve. The recurve crossbow is quiet and lightweight, ideal for hunting. The recurve, the compound, and the pistol crossbow. Through the ages, the crossbow has been perfected and new materials have been sourced to increase the effectiveness of the crossbow. The crossbow has been around for a long time and was popular in many places in the world in ancient times.
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