Arrow Kinetic Energy For Deer



When thinking about the impact force of a falling object, you can calculate the energy of the object at its point of impact if you know the height from which it was dropped. We need to figure out the kinetic energy (KE) of the arrow. Additionally, this crossbow is compact and measures 29 inches in length and 6. Don't think it happens? Watch nearly any hunting show, and you will see deer running off with over half the arrow sticking out. The question you should be asking is "how much kinetic energy do I need to humanely harvest a deer?" The general answer to that is something around 45 ft/lbs. Finding that sweet spot of kinetic energy and momentum is what will result in more pass-throughs. Mass Weight 3. Your bow stores a measurable amount of energy. the shoulder shot is a poor choice with any archery equipment,poor penetration,poor blood trail,and a chance of a lost game animal,that said with the K. In our example, the computed kinetic energy of the (5 gr/lb) 300 grain arrow was 49. My personal arrow selection process. You then simply plug the numbers into the standard kinetic energy formula, which is mass * velocity2/454,240. Printable version. The problem is that they often also get poor penetration and start losing animals. I would not be attempting that same shot with my compound — unless the deer was a whole lot closer. The arrow kinetic energy is more or less independant of the arrow mass (the bow efficiency stays much the same). 57 ft-lbs of energy with that kind of kinetic energy you could shoot a moose!!!! whitetail deer, pronghorn antelope, black bear= 35ft-lbs elk= 55 ft-lbs moose= 60 ft-lbs brown bear = ARE YOU NUTS !!!!. This arrow features 40 degree swept-back blade angle, and this patented design uses less energy to open the blades, saving kinectic energy for maximum penetration. An arrow's path from bow to target seems simple, but arrow weight partly determines the physics of each shot. Archer & Angler is a social community and forum dedicated to fishing, hunting, bowhunting and archery enthusiasts. Calculates Kinetic Energy and Feet per second based on arrow weight and bow IBO speed rating. The Rampage is the perfect shaft for any big game. There are several factors that will determine the success you experience on a real hunt out in the field. Think of kinetic energy (KE) as the hammer and your arrow as the nail. I have used. Arrow speed estimator. If you’re more experienced and confident, and shoot a faster bow, launching a 150 grain broadhead accurately is no problem. The overall weight of the arrow including a brass insert for optimal F. 24 foot-pounds of kinetic energy. The simple answer is a good cut on contact Broadhead (single bevel is better), sufficient arrow weight, and forward of center (FOC) arrow weight. This bow as designed to give you everything you need in the field to improve your chances of success this season. However, before your arrow gets to your target or the animal, it needs to fly straight, and that is where this week's topic FOC (front of center) comes into play. The arrow slices air for less than half a second before using all of its kinetic energy to cut through hair, skin, muscle, rib bone, both lungs, and then back out the other side before burying itself six inches deep into the soft ground beyond. 9mm carbine for hunting. However, elk present a larger, slower target. For example, if an arrow takes a nosedive soon after leaving the bow, the kinetic energy won’t be delivered with the broadhead straight on, and the momentum can also suffer. The more kinetic energy your bow imparts to the arrow, the heavier your arrow can be while still maintaining a relatively flat flight path. A crossbow developing 300 feet per second (fps) with a 420-grain arrow generates 86. Chemical potential energy. Determine the desired weight of your crossbow bolts. maximizes accuracy and at no loss of speed or kinetic energy thus making this bolt a deadly combination in any crossbow. Without consideration of factors such as aerodynamics and gravity for the sake of comparison, muzzle energy is used as a rough indication of the destructive potential of a given firearm or cartridge. KE does the work, driving broadheads through hide, muscle and bone. Offered in 300, 350, 400, and 500 spines, our arrows provide the perfect balance of speed and down range kinetic energy. I've Bowhunted I didn't relies it was that much to getting an Arrow to Fly Straight with a Broadhead!!! Thanks!. As long as you make a good shot, that is. 57 ft-lbs of energy with that kind of kinetic energy you could shoot a moose!!!! whitetail deer, pronghorn antelope, black bear= 35ft-lbs elk= 55 ft-lbs moose= 60 ft-lbs brown bear = ARE YOU NUTS !!!!. You can calculate kinetic energy in an arrow by taking the weight in grains, multiplying it by the speed in feet per second squared and then dividing by the constant 450800. Kinetic Energy: Calculations, Hunting Requirements, and Charts. Warranty card (lifetime) & owner’s manual. Weight is more important than speed when looking at penetration for a number of reasons: increased momentum, kinetic energy, and increased bow efficiency. The power of your crossbow can maintain fast bolt speed without issue. Every combo of arrow weight and presumed speed landed me somewhere in the 35-40 foot/lb range. The crossbow kit includes three HyperFlite™ arrows designed exclusively for use with Hyper™ Series crossbows. Archery Hunting Archery Bows Bow Hunting Deer Hunting Gear Crossbow Arrows Diy Crossbow Mathews Bows Mathews Archery Besta Responsible hunting, game management and wildlife conservation are important aspects of any wild game hunting, but many find the challenge of deer hunting to be the most challenging. Were you to measure the speed and do the calculations, the lighter arrow actually has less kinetic energy when fired from the same bow. 5 lbs of kinetic energy (Gold Tip Carbon arrows with a 100 gr Muzzy MX4 -total of 386 grains at 253 fps). It is affected by gravity force and turns to be weaker when traveling farther. With a heavier broadhead, your kinetic energy will increase but flight path will change and the arrow will slow down in flight. The major needed boost in kinetic energy comes when chasing heavy-boned, tough game such as cape buffalo, moose, grizzly bear and musk ox. We highly recommend you take into consideration the amount of Kinetic energy your hunting set up is producing when deciding what cut diameter will be best suited for you. Kinetic energy of an arrow can be found by using the formula KE = (mv ²)/450,240 where m is the mass of the arrow in grains and v is the velocity of the arrow in fps. Complete with a 4x32mm multi-reticle scope for increased accuracy at longer distances, the Gamecrusher fires bolts at an amazing 340 fps while boasting 90 ft. - Kinetic Energy: 118 ft-lbs. Kinetic energy of an arrow can be found by using the formula KE=(mv²)/450,240 where m is the mass of the arrow in grains and v is the velocity of the arrow in fps. Over time Easton brought innovation to the archery industry by revolutionizing arrow manufacturing using lightweight, precision aluminum. Therefore, you should be fine with your set-up. Arrows T1137. Rage is the world leader in lethal broadhead technology. Velocity simply is the speed in which your arrow travels. Overall: definitely a slow crossbow, and doesn’t deliver a lot of KE. Kinetic Energy. I wouldn't recommend a mechanical head unless it was a Rocky Mt. mine,with a 432 gr arrow,at 54 lbs draw,yeilds 198 fps,good for about 45 lbs of KE,if IIRC. I don't buy into it. How much kinetic energy can be given to an arrow shot horizontally from a bow that has potential energy of 40 j? It doesn't matter what direction you shoot the arrow. Kinetic Energy is important for all bowhunters as it is the amount of killing power or hitting power our arrows hit the target with. In this example, a guesstimated angle of 45 degrees and a 28 yard straight line distance will require an aiming distance of 19. In the world of compound bows, KE is used to determine how much damage an arrow will will cause, or how deeply it will penetrate, once it impacts the target. It's kinetic energy that's most important no matter what bow or crossbow you use not the arrow speed or poundage. That is not correct thinking. Determine the desired weight of your crossbow bolts. Regardless of what type of arrow you choose, you need to make sure it matches your bow. Any bow at 45 lbs. , we suggest buying medium to heavy bolts. Using the 16″ aluminum arrows provided, my chronograph test resulted in 231 FPS. Kinetic energy of an arrow can be found by using the formula KE = (mv ²)/450,240 where m is the mass of the arrow in grains and v is the velocity of the arrow in fps. Few whitetails are shot at more than 40 yards. As the arrow moves through space, the kinetic energy drops. After reading up on kinetic energy in his youngest son's high school physics book, he mounted a small standard aircraft pulley into the notched ends of a homemade bow with its recurves cut off. In our example, the computed kinetic energy of the (5 gr/lb) 300 grain arrow was 49. The set up on the R9 and the R15 is identical. Kinetic Energy: Calculations, Hunting Requirements, and Charts. I'll be setting up some new Deep Six FMJ's w/two inserts stacked up front for my elk arrow this coming fall. You could push that arrow into a deer with one hand thanks to the razor sharp nature of the tip and small cross section. I was clicking around on the site and found something very useful that all the archery hunting blog readers will appreciate – a calculator that outputs the kinetic energy that your archery setup produces. might come in place to find out how an arrow might respond after shooting. As with crosswind, a reduced shaft diameter allows an arrow to minimize atmospheric friction and retain more velocity at longer distances than a larger shaft. To understand the relationship between an arrow’s kinetic energy, its momentum, and their implications towards the ability of a hunting arrow to penetrate tissues, one must rely on the laws of physics. In the above example, my arrow left the bow with about 70. 5-5x RangeMaster Pro scope which is accurate straight out of the box and yes it plays a great role in hitting your desired target. The effectiveness of a bow and arrow is in the ability to take a high amount of kinetic energy and focus it into a very small amount of of area. KE is a useless number and it drives me nuts that the archery industry has adopted it. Work must be performed on the arrow to give it energy, and this work is performed by the archer. I don't like to leave people hanging when they ask me an archery question, so my answer is usually this: If you can pull back 35 pounds comfortably, you can probably work with a reputable bow technician to get a hunting bow setup capable of hitting the kinetic energy and momentum levels needed to ethically kill a deer. ke=M * v 2 / 450,240. Think of kinetic energy (KE) as the hammer and your arrow as the nail. If you shoot modest poundage and energy and hunt mostly deer-sized game, I'd recommend fixed-blade broadheads for best odds of deep penetration. Another factor to consider when choosing a bow for hunting is kinetic energy. Moved Permanently. the shoulder shot is a poor choice with any archery equipment,poor penetration,poor blood trail,and a chance of a lost game animal,that said with the K. and kinetic energy is 84 foot pounds per square inch. I used to rack my brain with weight, speed, kinetic energy, momentum, FOC etc etc. The Rampage by Black Eagle Arrows is an exceptional hunting arrow with no sacrifices to durability. Bows only need enough kinetic energy to drive a razor tipped arrow through a deers heart and/or lungs. Think of kinetic energy as the amount of punch your arrow has when it hits the target down range. Incidentally, the same experts recommended at least 65 ft- lbs of energy for elk and caribou. In the world of physics there are various formulas for calculating the kinetic energy of different types of objects. The arrow loses about 10% of the initial kinetic energy for each 10 meters of arrow flight. How much KE will depend on the mass and velocity, of course, but it's typically a variation of less than 10% with a bow's efficiency being best at heavier arrow weights (because the bow's energy has to propel both it's limbs and the arrow, the heavier the arrow, the greater percentage of the bow's energy moves the arrow). Use the straight-line distance to the target. Last year I hit a bull elk quatering away at 35 yards, got very little penetration and no blood (we looked all day). Over time Easton brought innovation to the archery industry by revolutionizing arrow manufacturing using lightweight, precision aluminum. 450,800 X (arrow speed)2. The mechanical head flies better because it is more streamlined, but has less penetration as it uses some of the kinetic energy in the arrow to deploy its blades. Momentum is it's persistance to remain in motion and is what an archer needs. For my bow atleast, I get 87ft/lbs of kinetic energy from an arrow of between 450 and 500 grains and only 66ft/lbs from an arrow of the 750 grain minimum arrow mass suggested by Dr Ashby for use on buffalo. This is due to aerodynamic drag on the arrow. It's good for hunting small and medium-sized game (turkey, deer). Pretty fast considering. It is a solid arrow that is used by hunters looking to maximize kinetic energy. My consistent speed is 312 fps. In our example, the computed kinetic energy of the (5 gr/lb) 300 grain arrow was 49. 223 for Deer. Mechanical broadheads simply use too much energy and increase your chances of wounding deer or elk. Broadhead 1. Building off Diamond’s best-selling bow of all time, the Infinite Edge, we pulled out all the stops with the Infinite Edge Pro. this curve represents the strain energy stored within the system, and upon arrow release will be transferred into kinetic energy. *Crossbow speeds and draw weights vary by model, but individual units of the same model generally shoot the same draw weight, draw length and arrow size, therefore speed and energy is very close. Knowing how your arrow speed changes with the increase in arrow weight, you can now easily figure out the new kinetic energy: For instance, if you know your crossbow shoots your current 400 grain arrows with a speed of 400 FPS, our chart above tells you to expect 124. Gearhead Archery is disrupting the industry with its 2020 bow called the Disrupter! They have incorporated the look of the B Series shoot-through riser design, which is a pillar of strength and rigidity. I see a lot of opinions that a 9mm is worthless for deer hunting, but why? It will stop/kill humans and at 15-25 yards has more Kinetic Energy than an arrow at that distance which will kill a deer. ke = Kinetic Energy M = mass (weight of arrow in grains) V = velocity in feet per second Call us toll free at 1-800-833-9777 for more details | Email Bowhunting Safari Consultants. However, elk present a larger, slower target. In the Product Spotlight, Gary Cornum from Easton Archery shows. Follow this simple math equation to find kinetic energy. It's one of the heaviest carbon cross bolts from the brand to have the maximum kinetic energy and knock down power to hit and kill your targets without fail. "You want a light arrow, man! You'll lost all your speed otherwise and then your deer is gone by the time it gets there! "No way- you need that high mass weight to get a lot of kinetic energy. Archery Pal tracks your accuracy over time and will tell you how accurate you are at each distance you practice, it can tell you your maximum kill range by how accurate you are at those distances. Broadhead 1. Visit C&C Archery and Outdoors for bow and arrow services. So doubling the arrow mass. If the arrow is too heavy or too light, kinetic energy will suffer. This is not anecdotal. The kinetic energy of your arrow is K=0. The crossbow is rated at 235 FPS shooting speed. Momentum is MUCH more important than kinetic enenrgy. of kinetic energy when shooting Spitfires for deer-sized animals and about 55 ft/lbs. Grim Reaper Broadheads is the inventor of Razortip Technology - patented mini-tip blade(s) that greatly enhance penetration. Both carry 100 ftLbs of Kinetic energy. In this case, the body in motion storing the energy is the arrow, and when we refer to its kinetic energy, we’re referring to the force with which it. I used the 6000 size shafts. Gold Tip Velocity Valkyrie Vista Outdoor Communications Coordinator Vic Ziliani couldn't contain his excitement over Gold Tip's latest arrow model: the Velocity Valkyrie. Welcome to the Kinetic Energy Calculator. This will affect kinetic energy. Since arrow mass has been found to be the greatest factor in penetration through bone, kinetic energy alone is not a reliable predictor of penetration. Grim Reaper Broadheads is the inventor of Razortip Technology - patented mini-tip blade(s) that greatly enhance penetration. 5 ft-lbs kinetic energy from his set-up (kinetic energy being velocity^2 * weight which is only indirectly related to the draw weight of the bow), which appears to be well past the. For these types of animals you want your bow and arrow rig to be pushing kinetic energy north of 67 pounds. Objective: This web project is to understand the trajectory of an arrow fired from a bow. That may seem odd, but the heavier the arrow, the more kinetic energy you will get from the bow. draw weight. Lots of hunters swear by KE, and they do whatever they can to maximize it with their bowhunting rigs. So both speed and mass matter. The distinct advantage of its cam system is the ability to load a large amount of kinetic energy into the bow. Granted, no elephants are likely to be passing your treestand, but fast bows are like fast cars — they're fun. Momentum is the measure used in physics to quantify the "impulse"; the force exerted over a period of time IN ONE SPECIFIC DIRECTION. I've ran a 425 grain arrow for as long as I can remember with speeds from 250- 280. 5 inches shorter than the R20 and still delivers arrows at 430 FPS with a punishing 164-foot pounds of kinetic energy. arrow will outperform a light arrow, even if the kinetic energy number is the same between the lighter vs heavier arrow (when all other factors are equal). Quick Answer! The most significant difference between Easton Axis vs FMJ is while Easton Axis is made entirely from carbon, FMJ is made with a carbon core wrapped with an aluminum alloy metal jacket, which gives FMJ a couple of advantages over Axis. An arrow will impact with substantially less than 1,000 foot-pounds of energy, but if the arrow is placed properly, death results in a mater of seconds. We offer basic bow setup, bow tune-ups, paper tuning, sight installation, crossbow setup, compound bow string change, nock set installation, custom cables, arrow wraps, arrow re-fletching, bow draw weight adjustment, bow draw length adjustment, and more. Remaining stationary also allows you to rest the crossbow on a stable support while aiming and shooting. Diamond Archery has gone above and beyond and keeps you out of the pro shop with the new, at home, fully adjustable, innovative Diamond Edge SB-1 bow. The bullet basically dumps most of its energy into the sand whereas the arrow does not flatten on impact. Basic Tune-Up Includes: *Safety check; Paper tune rest; Adjust weight Wax strings; Lube axles and limb pockets; Check timing; Adjust string nock or loop; $40. The HyperGhost 405 features a new upgraded stock and Barnett’s patented step-through riser. Kinetic energy, the ability to do work (or in this case damage), is the most common measure of killing power for rifle bullets. 5 inches power stroke, the Ravin R29 measures 29 inches in length and weighs 6. The more kinetic energy your bow imparts to the arrow, the heavier your arrow can be while still maintaining a relatively flat flight path. Categories Articles, Black Eagle Arrows, Bowhunting The West Tags Arrow Speed, Black Eagle Arrows, bowhunting, bowhunting. The Razorcut Broadheads are the fastest opening blades on the market. Velocity is the change in pos ition divided by the time in which the change occurs (the rate of speed). On medium sized game (deer) the recommended amount of kinetic energy is 25 to 42 foot pounds and 42 to 65 foot pounds for larger game such as Elk. Using multiple chronographs positioned at varying distances and heights, we calculated the drop in projectile speed at 10, 20, 30, 40 and 50 yards. What’s the Best Draw Weight for a Bow? factor when it comes to speed and kinetic energy. Velocity + Momentum = Kinetic Energy. Momentum, which is velocity times mass, measures a projectile's resistance to change velocity. Arrow Speed (fps): Must be a number between 100 and 450. My current arrow setup weighs in at 440. This energy is transferred into your arrow that flies downrange and strikes the target. Momentum is it's persistance to remain in motion and is what an archer needs. But when a 600 grain arrow was fired from the same bow, its computed kinetic energy was 54. Archery Hunting Archery Bows Bow Hunting Deer Hunting Gear Crossbow Arrows Diy Crossbow Mathews Bows Mathews Archery Besta Responsible hunting, game management and wildlife conservation are important aspects of any wild game hunting, but many find the challenge of deer hunting to be the most challenging. The new R29 is an incredible 5. 5” Un-cocked; Physical Weight 6. Determine the desired weight of your crossbow bolts. The higher the FPS, the higher the kinetic energy will be. * Check regulations in the country you are hunting prior to your safari. DDH editor Daniel Schmidt claims you can hit a deer through the lungs and have no blood on the arrow, and it's not at all uncommon with gut hits. Different areas have guidelines about the minimum kinetic energy needed to take big game animals. For example, if an arrow takes a nosedive soon after leaving the bow, the kinetic energy won’t be delivered with the broadhead straight on, and the momentum can also suffer. Its greatly reduced diameter makes it resist wind drift for long range accuracy. Unlike arrow speed, this measurement shows the amount of energy transferred to your target from your arrow. On medium sized game (deer) the recommended amount of kinetic energy is 25 to 42 foot pounds and 42 to 65 foot pounds for larger game such as Elk. In 1,8% of the cases did the broadhead not pass entirely through the deer. Each bolt is precision sorted for straightness to ensure shot after shot consistency (straightness: +/- 0. The kinetic energy of this setup would be calculated by taking the arrow weight of 400, multiplying that by the speed of 297-squared, and dividing the result of that multiplication by 450,800 – which tells us that this bow and arrow setup produces 78 ft. I like an arrow in the 430-470 range with lots of weight up front and a good reputable broadhead. Assembly wrenches, bolts and screws. In my opinion, this arrow would be fine for hunting Western sub-species of White-tailed deer, like the Coues deer and similar-sized big game, but. If you’re looking for a high quality, versatile, feature packed bow, the Infinite Edge Pro is the perfect fit. It is affected by gravity force and turns to be weaker when traveling farther. 45 mps, more than 3 times as much. Photo by: Bill Kinney I recently got this question from an OutdoorLife. This friction reduces the arrow’s velocity (speed), resulting in reduced downrange kinetic energy. of kinetic energy, depending on how far away your target is. Rage is the world leader in lethal broadhead technology. FYI: kinetic energy is calculated using the following equation: KE = total arrow grain weight divided by 450,800 and then multiplied by the arrow velocity in fps squared. Learn easy archery tips about kinetic energy. At 330 feet per second, the Barnett Outdoor Sports Hunting Archery Black Raptor FX2 Crossbow will allow any hunter to hunt accurately and comfortably at 40 yards. I see the big mechanical broadheads recommend a bow with" high kinetic energy" to ensure penetration,but nowhere do I see what level is considered "high energy". "You want a light arrow, man! You'll lost all your speed otherwise and then your deer is gone by the time it gets there! "No way- you need that high mass weight to get a lot of kinetic energy. What’s the Best Draw Weight for a Bow? factor when it comes to speed and kinetic energy. This is a lot of kinetic energy-way more than most experts believe is the minimum for hunting deer-sized game. , we suggest buying medium to heavy bolts. 204″ small-diameter arrows hammer through deer, hogs, and other large game. -~-~~-~~~-~~-~- Please watch. According to the laws of physics, momentum is the correct measurement for a directional measurement of energy. For calculating the Kinetic Energy for hunting you need to know the speed and the weight of your arrow. So, you can extend your effective range by using a better bow. Any bow at 45 lbs. With no moving parts and the sturdiness of one-piece construction, you can have confidence every time you send an arrow towards your target. This is probably well beyond the average hunting range of 15-25 yards at which most bow hunters responsibly kill game. They also state 55 ft-lbs of kinetic energy would is sufficient for most popular North American game species. This gun certainly rates above expectations with its adjustable trigger,. If the deer is at 25 yards, 5 yards closer than expected, the arrow will hit 4 inches high. developed by some of todays crossbows,yes you might possibly break the shoulder and put the deer down,but in my opinion it is a shot that should be avoided,several years ago i tracked a buck that was hit in the shoulder (vert bow 68#-2413. The arrow weight for hunting is recommended for a total weight of 6 to 8 grain per pound of draw weight. Determine the desired weight of your crossbow bolts. arrow will outperform a light arrow, even if the kinetic energy number is the same between the lighter vs heavier arrow (when all other factors are equal). Energy and killing power. Snyper or a G5 Tekan II since these heads have a cut on contact point and require almost zero energy to open. 223 for Deer. Actually Jim, kinetic energy does have something to do with deer hunting. m gardner on Archery: Momentum vs Kinetic Energy. Weight is more important than speed when looking at penetration for a number of reasons: increased momentum, kinetic energy, and increased bow efficiency. It's good for hunting small and medium-sized game (turkey, deer). You then simply plug the numbers into the standard kinetic energy formula, which is mass * velocity2/454,240. Kinetic energy, the ability to do work (or in this case damage), is the most common measure of killing power for rifle bullets. An arrow needs to have enough kinetic energy to be able to penetrate through the vitals, possibly bone and the fur of animal for an ethical and clean kill. of kinetic energy when shooting Spitfires for deer-sized animals and about 55 ft/lbs. ke=M * v 2 / 450,240. Few whitetails are shot at more than 40 yards. The arrow weight for hunting is recommended for a total weight of 6 to 8 grain per pound of draw weight. With the quartering shot the expandable broadhead punched through the offside shoulder and passed completely through the buck. Arrow Weight: 400 grains / Arrow Speed: 340 fps Kinetic Energy: 102. Snyper or a G5 Tekan II since these heads have a cut on contact point and require almost zero energy to open. A dynamic spine defines the way how an arrow responds through the stored energy in the bow after shooting. You don't need 84 pounds to kill a deer, but its all personal preference as long as keep in mind that kinetic energy plays a huge role in it. Specifications. Also with low noise vibration, good penetration and energy, and less susceptibility to the elements, these bolts make an excellent choice for hunting most game. If you have any information or links that will help, thank you. In 10,8% of the cases did the broadhead pass through the deer with the remainder of the arrow in the deer. If the arrow is too heavy or too light, kinetic energy will suffer. 003 should be straighter and more accurate than an arrow with a. ) To calculate the kinetic energy of your bow, use the following equation: (Arrow Weight in Grains)(Velocity)(Velocity) = ft/lbs. My arrow speed is 280 feet-per-second. 9 ft-lbs kinetic energy! I went from a super smooth, easy drawing, easy holding 282 fps, 72ft-lbs KE comfort bow, to a 316 fps, 90. (At 10-15yds max shot distance, Energy, a sharp/strong BHead and accuracy are much more important than speed ). 380 grain arrow at 308 fps, with a foc of 11. Another factor to consider when choosing a bow for hunting is kinetic energy. Kinetic energy, the ability to do work (or in this case damage), is the most common measure of killing power for rifle bullets. Were you to measure the speed and do the calculations, the lighter arrow actually has less kinetic energy when fired from the same bow. Ive figured on them Kinetic energy charts a lot and I'm making up with speed what I lack in arrow weight. And it is, in fact, a reasonable indicator. For the arrow weights tested, the kinetic energy tends to be leveling off but still gaining slowly, while the momentum is climbing almost steadily but is beginning to level slightly. Of all the testing done to date, I have not found any cases where the kinetic energy will decrease with increasing arrow weight. Draw Force 10 lbs. Energy and killing power. The exact kinetic energy during the arrow release is 125 ft. Below is a comparison chart of the top 10 coolest crossbows and worth for money. The Gold Tip Kinetic Pierce is a micro diameter arrow that’s built to hunt. All arrows flex upon impact, robbing the arrow/broadhead combination of valuable kinetic energy. However, elk present a larger, slower target. The Importance of Estimating Kinetic Energy and Momentum OK? Okay, Time for a New Arrow. of kinetic energy for the larger heads and 65 ft. Wondering what the difference is between crossbow broadheads vs regular broadheads? Some archers find they can accurately shoot their favorite vertical bow broadheads on their crossbow. My consistent speed is 312 fps. An easy way to obtain a rough calculation is to use one of the many kinetic energy calculators available on the web. When it comes to bowhunting, kinetic energy gets all the love. What's the Best Draw Weight for a Bow? factor when it comes to speed and kinetic energy. Granted, no elephants are likely to be passing your treestand, but fast bows are like fast cars — they're fun. Specifications include a. If you’re more experienced and confident, and shoot a faster bow, launching a 150 grain broadhead accurately is no problem. Offered in 300, 350, 400, and 500 spines, our arrows provide the perfect balance of speed and down range kinetic energy. Quick Answer! The most significant difference between Easton Axis vs FMJ is while Easton Axis is made entirely from carbon, FMJ is made with a carbon core wrapped with an aluminum alloy metal jacket, which gives FMJ a couple of advantages over Axis. Multi-reticle crossbow scope. Here you can ask questions or make comments about the article. This is a thread for discussion of the article, Arrow Speed and Kinetic Energy, By Jon Henry. 006" straightness, Deer Crossing Archery’s 100% pure carbon arrows are truly at the intersection of quality and economy. Stringshot Archery Products make targets and target accessories for serious archers. Blistering speeds paired with top-performing Hyperflite arrows will make Hyper crossbows the toughest, fastest crossbows in the woods next deer season. Momentum, Kinetic Energy, and Arrow Penetration (And What They Mean for the Bowhunter) By. The Rampage by Black Eagle Arrows is an exceptional hunting arrow with no sacrifices to durability. It is also important because the different US states tell us their minimum regulations in Foot pounds of energy, so being aware of KE allows us to abide by the state law. Mass and speed= kinetic energy. For my bow atleast, I get 87ft/lbs of kinetic energy from an arrow of between 450 and 500 grains and only 66ft/lbs from an arrow of the 750 grain minimum arrow mass suggested by Dr Ashby for use on buffalo. Arrow Kinetic Energy Calculator. An arrow will impact with substantially less than 1,000 foot-pounds of energy, but if the arrow is placed properly, death results in a mater of seconds. When bone is encountered, however, mass becomes a much more important factor Data show that there is a persistent, repeatable threshold value of arrow mass at which the frequency of heavy bone penetration suddenly increases. Archery Pal tracks your accuracy over time and will tell you how accurate you are at each distance you practice, it can tell you your maximum kill range by how accurate you are at those distances. No bow, crossbow or arrow may have any electronic device attached that controls the flight of the. A lot of us shoot string loops [D loops] so, the nock is going to snap onto the string in the jaws of that loop, the release is going to hook onto the loop – we’re going to draw the bow back and when we draw the bow back, we’ve got ‘potential energy’ – when we engage the release and fire the bow we’ve got ‘kinetic energy’, energy in motion. It’s important as a good measure for how much penetration you will get with a certain draw weight bow and a certain weight arrow. Mathews Z7 Xtreme - 70 lbs - 29. However, elk present a larger, slower target. Since 1998, eders. Quick Answer! The most significant difference between Easton Axis vs FMJ is while Easton Axis is made entirely from carbon, FMJ is made with a carbon core wrapped with an aluminum alloy metal jacket, which gives FMJ a couple of advantages over Axis. Although the Bear Archery Cruzer is not a speed bow by today's standards, it is a relatively fast bow that will deliver all of the kinetic energy you need to humanely harvest even the largest game species. The kinetic energy of this arrow is approximately 58, which fits into the standards used by many for small- and even medium-sized game, but the momentum of the arrow was at the low end, just 0. My bow is set at the maximum draw weight, can I increase kinetic energy in any other way besides increasing draw weight. All this talk of kinetic energy, grains per inch, lengths and weights and straightness measurements. My current arrow setup weighs in at 440. Three-arrow quick-detach quiver. In 1,8% of the cases did the broadhead not pass entirely through the deer. , and an arrow between 450 and 500 grains seems to provide the perfect balance between speed and weight. Gold Tip Kinetic Pierce Platinum 6-Pack Arrows. I would not be attempting that same shot with my compound — unless the deer was a whole lot closer. Kinetic energy The kinetic energy is as vital as speed when you were looking for the best crossbow to buy. Read Comments. By being squared, the speed has a greater influence than the mass in the resulting kinetic energy.