There are numerous others. 94 / 63. This site uses Akismet to reduce spam. If you run the numbers on your gun using a 15.5 gain powder charge and a weight of 29.2s for the wad, plus 383 grains for the shot, youâll find you have 12.77 ft/lb of recoil on your gun with the shells you describe. If you need more velocity to help your âleads,â then shoot one ounce or lighter loads in the same eight-pound gun. The Math / Science This recoil is ⦠QuickLOAD predicts 2592fps and the recoil calculator gives a recoil velocity of 7.83fps and the change in dwell time goes from 10ms to 7.692ms we now get .7227â of travel under power, in addition to the lower velocity. Oh, by the way, if youâre a 150-pound shooter but youâre shooting less than an eight-pound gun â gas-operated autoloader or not â youâre not going to be able to handle even 17 ft./lbs. Change ), You are commenting using your Twitter account. The Gas Operated Semi-Auto Shotguns have the least of the Semi-Auto Shotguns. of free recoil. Therein you will find an excellent little explanation on the effect of recoil caused by shotshell loads versus gun weight together with as good a formula as any for calculating recoil in shotguns. Home > Ballistic Calculators. of free recoil is going to be the absolute max. I am not sure if heat caused this to happen or if possibly gun oil or cleaning solvent caused this to happen. You might get away with more if you go to a gas-operated autoloader, but even then 17 ft./lbs. Just Google up ârecoil calculateâ. In these capacities he designed and administered the worldâs six most extensive lead versus nontoxic shot duck, goose, pheasant and dove shooting tests ever conducted. He then co-authored their peer-reviewed scientific reports. At 1300 feet per second, a one ounce load would only be transferring about 20.41 ft./lbs. Share your build. Recoil. There are only three ways to reduce recoil. The O/U gives you a punch (all the recoil at once), while the gas gun gives you a push (same recoil but delivered over more time). In the shooting sports we call that reaction recoil or "kick." If both bodies start from rest, the law of conservation of momentum states that m 1 v 1 = -m 2 v 2. Some Useful Common Conversions: one ounce (1/16 lb ) = 437.5 grains most shotshell loads avg between 11- 47 grains of powder one pound = 7000 grains one gram = ~15.4 grains The method is based on the simple physical principle of conservation of momentum. One of the most important of these, in addition to gun weight, is the fit and shape of the gun stock. You can input specifics for your ammunition (e.g. Choose a gun weight appropriate for the loads you intend to shoot. (i.e. Sorry, your blog cannot share posts by email. Most shooters recognize sooner or later that recoil is the biggest single negative to their shotgun shooting success. Letâs use that formula now to look at the amount of recoil shooters are experiencing versus gun weight. This calculator uses the method recommended by the Small Arms & Ammunition Manufacturers' Institute (SAAMI). Pachmayr BSD20 Black 1/4 Space Perk Points. (in stock) 3.0 (2) Gun Recoil Formulae DISCLAIMER. Our goal is to provide you with the best coverage in wing and clays shooting. You also have to consider that equal recoil numbers may not feel the same. Of these the most effective is to go right to the shotshell. You need JavaScript enabled to view it. Shotgun Recoil If you have a 7 pound or so gas-operated autoloading shotgun, you'll need to be somewhere in the neighborhood of a 9 pound O/U to get down to the same level of recoil as that 7 pound arena gas-operated shotgun. If you looking for special discount you will need to searching when special time come or holidays. of free recoil, at 1250 feet per second about 23 ft./lbs., and at 1300 feet per second almost 25 ft./lbs. If you weigh less than 200 pounds, say about 150 pounds, youâre not going to be able handle much more than about 16 ft./lbs. Recoil Calculator at HuntAmerica.com. My Cyberpunk build. This assumes that the 20 gauge is a 6.5 lb gun and the 12 gauge is a 7.5 lb gun. Hail of Bullets ... Reduces relood time of Shotguns and Light Machine Guns by 40%. Learn how your comment data is processed. The SPORTING ARMS AND AMMUNITION MANUFACTURERS INSTITUTE (SAAMI) has prepared this data sheet for informational purposes only. Subjectively, just shoot 100 shells through your gun and see how you feel. This energy is the figure most often given in books and magazines. Maybe I’m just too insensitive. R (ft lbs)=RW*VG2*32.174 In these capacities he designed and administered the worldâs six most extensive lead versus nontoxic shot duck, goose, pheasant and dove shooting tests ever conducted. I don’t think that barrel work (backboring, cones, ports) has much to do with the time over which recoil is delivered, but a hydraulic stock or gas action certainly does. $14.99. Join an elite group of readers who receive their FREE e-letter every week from Shotgun Life. Ever feel like the recoil of a 12 gauge is too much for you? It’s pressure that makes the porting work. The recoil calculator at beartooth bullets shows that the shotgun is way heavier recoiling. Having kept the scores of hundreds of shooters using nearly eight-pound fixed breech shotguns, their scores over time tell me that 20 ft./lbs. of free recoil. For those who have shot both, preferable from an interchangeable barreled gun, do you find this to be true? 03 Sniper03, Mar 1, 2019. Enter your email address to follow this blog and receive notifications of new posts by email. If we were to fire it out of a 7 lb Winchester Model 101 Field, it would generate 13.9 ft lbs recoil energy. UOM system change converts the entered data to the corresponding UOM system, so you can use it as a converter too :) The deer kicks his butt. Change of the UOM system setting causes recalculation of the given data. Contact him in Oregon at (541) 884-2974, tomroster@charter.net. What to do? If you know the weight of the wad and the number of grains 1/1. For trap and skeet guns, a straighter stock is ⦠1 1/8th ounce at 1145 fps) and the weight of your gun in pounds. If you strive to be a better shooter, then our FREE e-letters are for you. You need JavaScript enabled to view it. Shotgun Recoil Energy, Impulse & Velocity Calculator. 30 06 hunting shotgun slugs 20 gauge vs 12 slide 2 slide 2 the best ammo for your remington 870 Low Recoil Practice Lo Shooting SportsmanShotgun Recoil Chart Amr20 Gauge Slug Recoil Chart Pflag12 Gauge ShotgunShooterscalculator Recoil CalculatorPractical To The Tactical Shotgun Gun DigestShotgunworld Recoil Measurements By ShotgunShotgun Recoil Chart ⦠. Only 3 left in stock - order soon. There are numerous others. caliber, bullet type, weight, ballistic coefficient, and muzzle velocity), your firearm (e.g. Honest. The free recoil energy is simply the free recoil velocity squared times one half the mass of the rifle. Sniper03, Mar 1, 2019. locutus and Dallas53 like this. In this shotgun recoil energy calculator topics, we are just one step further to get the final result. Objective recoil is simply a mathematical formula. Yet the formula has them both producing the same amount of free recoil, so how can this be? Roster spends about 100 days afield each year testing lead and nontoxic hunting and target shotshell loads, then traveling worldwide reporting on his findings to industry and wildlife professionals, hunters and shooters, and in his writings for various shotgunning magazines. He then co-authored their peer-reviewed scientific reports. My boots aren’t off yet but it sure is time for beer. Subjective recoil can further be broken down into issues caused by real recoil and issues caused by gun fit. If you don’t feel good, you have too much recoil. Of course, it’s much easier to just go to one of the online recoil calculators. However, this can be automatically converted to compatible units via the pull-down menu. Enjoy your articles immensely. Never in doubt.) Simple. It is influenced by many factors. Drop down to a ¾-ounce, 1200- feet per second lead load in a 6½-pound gun and youâre only dealing with about 11.5 ft./lbs. He is a court-recognized shotshell/shotgun expert witness. Re: Shotgun Recoil Calculator I'm sure they can forecast recoil, but not "felt recoil". Shotgun Life is the first online magazine devoted to the great people who participate in the shotgun sports. However, perceived recoil, what the shooter feels, is a highly subjective matter. Now, put down the rest of the measurements on the formula below to get the desired result. You'll discover ways to improve your shooting, learn about the best new products and how to easily maintain your shotgun so it's always reliable. I like http://www.zvis.com/bali/brcstgn.shtml the best. Accordingly, neither the Institute nor those responsible for the preparation of this or similar drawings or data sheets make any representation or warranty, or assume any responsibility with respect thereto. Buck Attacks Hunter A deer hunter ends up going toe-to-toe with a heavyweight champion buck. It’s that simple. My uncle had 2 single shot 12 gauge, which at a glance appeared to be identical, but there was a slight difference in the angle of the stock. One had considerably more felt recoil. SO, after all this, what is the FORMULA I use to determine recoil (not felt recoil)? Just one of those curiosity things. PO Box 6423Thomasville, GA 31758Phone: 229-236-1632. Just be aware that if a “worked on” gun kicks a lot less than a stock one, double check the before and after velocities before drawing any conclusions. http://www.ShotgunReport.com. The formula does not take into account any possible recoil reduction due to overboring, long cones or porting. That includes places to shoot, ways to improve your shooting and the latest new products. Increase the gun weight by, say, 25% and the recoil goes down by 25%. Explanation of terms. Contact him in Oregon at (541) 884-2974, This email address is being protected from spambots. Important of these the most significant effect on decreasing recoil LLC ( often in error ounce... If both bodies start from rest, the law of conservation of momentum states that 1... Muzzle velocity and bullet, powder and rifle weight is a 7.5 lb gun youâre... Tell anyone Ft. per sec ( sort of ) here is a 6.5 gun. Method is based on the simple physical principle of conservation of momentum online calculators! 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Go right to the shooter about 21.5 ft./lbs locutus and Dallas53 like this has ever made the difference! The desired result compared the following loads about 20.41 ft./lbs a ¾-ounce, feet... Rest, the law of conservation of momentum states that m 1 v 1 = -m 2 v 2 for. It sure is time for beer than an O/U of equal weight using same. The desired result payloads and velocities are all from current Winchester AA loads pull-down menu s Hint #:... For trap and skeet Guns, a straighter stock is ⦠shotgun recoil calculator i 'm sure can. One of the UOM system setting causes recalculation of the most significant effect on decreasing recoil choose gun! 30 inch barrel, ported with overbore and extended forcing Cone face slap by keeping the muzzles during! A Ballistics Specialist for the Dept bad ; less recoil than the Pumps rest of the online recoil calculator shotgun recoil calculator.: the calculator returns the velocity of body 2 after the release of body 1 visit Hodgdonâs website www.hodgdon.com. Simply the free recoil is the first online magazine devoted to the great people who in! Fps muzzle velocity letâs say youâre a 12-gauge shooter toting a typical SPORTING clays or waterfowl type shotgun weighing at. Law of conservation of momentum states that m 1 v 1 = 2... Estimate correctly to compatible units via the pull-down menu waterfowl type shotgun weighing in at close to pounds.
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