The actual burning rate and position on this chart can be drastically altered by many factors including case size, bullet weight, expansion ratio, operating pressures, lot to lot variation, manufacture date, etc. In fact, burn rate is really only discussed in comparison to other powders. Burn rate charts will report the relative burn rates for powders. It has roughly the burn rate equivalent of h335 so a very useful burn rate for a very wide range of rifle cartridges. All of the following information was taken from sierra rifle reloading manual, 4th edition and vihtavuori 1996 reloading guide. Hodgdon powders are blue, imr standard powders are yellow, imr enduron powders are green, and winchester powders are red. The most obvious grouping of smokeless powder is how we use itshotgun, pistol or rifle powder. Anyone have one from 2019 or going into 2020most of the charts that i have are a couple of years old. Powder burn rate chart 265 powders listed from fast to slow.
Powder equivalents adi world class powders and ammunition. Updated hodgdon and imr relative burn rate chart hey guys, youll probably want to download this new powder burn rate chart issued by hodgdonimr. Comparative powder burning rates the chart below lists powders currently and commonly available in the us. Hey guys, youll probably want to download this new powder burn rate chart issued by hodgdonimr. Powder chart just remember that with the surplus stuff the burn rate is a variable, and could be quite a bit faster or slower than what is marked in the chart. Consult nobel sport loading data for appropriate loading data. Relative burn rates from fastest to slowest provided by. Please note that burn rate charts can never reflect the differences between powders in the correct. You never quit in the middle of your training or athletic competition, and neither should your preworkout. My first test with it was this week and also with a new to us rifle a husqvarna small ring chambered in 9. Industry tests have shown that a powder s location on this list can shift by 5 6 positions or more depending on conditions. Green imr enduron powders red winchester powders 1 norma r1 51 alliant blue dot 101 hodgdonvarget 2 vihta vuori n310 52 accurate arms no. If youre reloading or looking at some new load development, new calibres or bullet types and weights, quickload ballistic software solution is what you need.
To view this list in a pdf format, click the button below. Hodgdon powder relative burn rate chart published by hodgdon. Feb 22, 2016 vectan powder by nobel sport powder comparison chart. Powder properties you can buy a dozen different cans of powder seeking the ultimate load for your rifle. Burn rate for rl26 in ql is way off, so no it doesnt have the answer. Samecomparableclose powders under different labels page 5. Powders with similar burn rates quickness as listed in a reloading manual often will not deliver similar results.
Blue hodgdon powders yellow imr standard powders green imr enduron powders red winchester powders 1 norma r1 51 alliant blue dot 101 hodgdonvarget. This new table shows the latest imr powders including the enduron series imr 4166, 4451, 4955, 7977, shown in green below. Get latest powder burn rate chart here daily bulletin. The chart of relative quickness of powders below is intended as a guideline only. Nov 16, 2009 regarding powder life if powder has been manufactured properly, then stored in a dry, cool place, there seems to be no deterioration due simply to age. Does anyone know if there is any connection between the burn rate of powder vs the weight of the bullet to get better accuracy. Burning rates product burning rate examples of application pistol shotgun.
The burn rate of a propellant is used to design such munitions systems. Upgrades to the closed bomb facility and measurement of. Provide you with an excel model to forecast your burn. However, you still must research other sources to determine safe reloading recipes using the alternate powders. Another advantage of lt32 is the fact that our accurate 2015 can be blended with this powder if anyone wants to adjust the burn rate. Powder burn rate chart 1967spud reloading supplies ltd. Nitrochemies comparative powder burn chart column format, not list shows re33rs80 as one step line slower than retumbo and same as viht n570.
Burning rates adi world class powders and ammunition. Jan 04, 2016 january 4th, 2016 updated hodgdon and imr relative burn rate chart. Some slower burning pistol and shotgun powders will also work well for reduced velocity rifle loadings, where a light bullet and light powder charge are used. Quickload has a default database of predefined bullets, cartridges and propellants. Comparison powder listed approximate based on burn rate.
Before buying a quantity of powder, it is a good idea to consult one or more reloading guides to see what is offered and what looks to be the best selection for your particular gun or guns. If ive liked a load and needed to change powders ill try to look for one with similar characteristics red dot to promo comes to mind i know, not the best example. Nov 22, 2019 analysis of cash consumption, or burn rate, will tell you and your investors whether your company is selfsustaining, or if you need additional funds. The burn rate charts will indicate other candidate propellants that are ranked close to the one youve already tried, and one of them may achieve satisfactory performance. Please note that burn rate charts can never reflect the differences between powders in the correct proportion, and can only place powders in approximate burn rate envelopes.
This invaluable burn rate chart ranks powders from eight major powdermakers. Fill, sign and send anytime, anywhere, from any device with pdffiller. Re33rs80 is a highenergy powder, that is manufactured as nitrocellulose singlebase kernels initially before being infused with a percentage of nitroglycerine as a separate production stage. Nightforce has great tracking capabilities, they are rugged, a bunch of elevation, holds zero forever, and reticles are designed for long range shooting. Burn rates are not linear meaning the relative quickness between. All i am saying is, is that alliant says rl23 is slower than rl22. It has a very large grain size length 2,3 mm by diameter 1,3 mm and an extremely slow burning rate ideally suited to the. Powders will react differently in different cartridges so its important to compare the powders when testing in the same cartridges.
What is a burn rate, as related to internal ballistics. Everything handloaders need to know about smokeless powder. This chart is for informational purposes only and is not designed to take place of data in conventional reloading manuals or this site. This chart gives an approximation of where the powders fit within their relative burn rates. Or you can use quickload and narrow the search to three or four propellants that offer optimal load density, burn rates, and velocity. Burn rate has nothing to do with velocity of an appropriate cartridge for the powder. Burn rate is only one powder characteristic and may not be the primary factor. Burn rate is used to describe the rate at which a company is losing money in other words, it describes negative cash flow. Mah66, ive only ever used burn rates when shifting from one powder to another.
Accurate, alliant, hodgdon, imr, norma, ramshot western, vihtavuori, winchester. So if you are looking to shoot long distances constantly, then you need a scope that can take the abuse. Alliant 300mp burn rate gun and game the friendliest gun. Powder burn rates vs bullet weights carolina shooters club. Sequence from fast burning on the top to slow burning rates. If the burn rate is greater than forecast or if the companys revenues are not growing as rapidly as they are forecast to grow, then investors may think the company is not.
My powder is stored in a climate controlled area free from light exposure or excessive heat a dry basement is good and an unprotected, unheated, uncooled garage is not, for example. Clearly the burn rate of the two powders are similar, but the load data in the same manual suggests that w244 is slightly faster burning than w231, click to expand. Updated hodgdon and imr relative burn rate chart daily. The latest in reloading, straight to your inbox keep uptodate on new products, trends and tips from the leader in reloading.
Jul 19, 2016 the latest in reloading, straight to your inbox keep uptodate on new products, trends and tips from the leader in reloading. Actual burning rates can vary depending on the calibre, firearm, loading components and practices, as well as from powder lot to lot. The burn rate of the powder and rate at which it creates expanding gas has to be in harmony with the volume of the cartridge, barrel length, projectile weight, and designed strength of the gun. Powders within three lines of one another are similar in relative quickness but cannot be directly substituted without due regard for safe reloading procedures. The second is that investors look at a startup companys burn rate and measure it against future revenues of the company to decide if the company is a worthwhile investment. This list is sorted from the powders with the fastest burn rates to those with the slowest burn rates. Powder measure most kits will contain a powder scale, most of which use weights on a balance beam to measure powder. More than 1200 cartridges more than 230 powders more than 2500 bullets. The powder burn rate chart is a reference tool for the approximate burn rates of canister and oem powders. This makes burn rate a slightly controversial and highlydebated topics, as some reloaders feel that burn rate is less important or practically inconsequential. This popular powder program with bullseye, blue dot and the reloderseries is available in.
The amount of nitro percentage varies by powder to powder, and with it its performance in a specific application. Burn rate is only one powder characteristic and may not be the primary factor which contributes to accuracy in a particular caliber. I would like to better understand the effect of powder burn rate on cast bullet performance in pistols such as the 9mm. I have seen a couple of different units used to measure burn rate, but relative burn rate charts seem to be most available. Hodgdon powder relative burn rate chart published by. This table shows only approximate equivalent values within about 5%.
W540 is hs6, w571 is hs7, w760 is h414, w870 is h870. Wc860 is for 50cal ball m33 ammo and wc868 is a 20mm cannon powder, as is wc872. Download pdf a pdf version of this tech resource is available for users who prefer to download or print it. Where does lil gun powder fall on the burn rate chart.
I might not be phrasing it right but with trying to keep from buying a bunch of different powders to get the best candidates for certain bullet weights especially with heavier bullets in. The task is not easy, because different brands of powders show different ignition characteristics, energy content and composition, so many powders can be located only approximately. In general, heavier shot loads will require a slower burn rate, as it takes longer to sufficiently accelerate a heavy shot. So it would stand to reason that if alliant is correct, then rl23 should be somewhat slower burning in the same application as h4831. There are several advanced ways of calculating the burn rate, but heres a really simple, practical one. Powders with similar burn rates quickness as listed in a reloading manual often.
It will depend on how fast you want the load to go. For maximum intensity, consume the entire serving quickly. Many students and shooters have tried to put current powders in the right order, starting from the highest burning rate and ending with the slowest powder. Updated hodgdon and imr relative burn rate chart daily bulletin. All this combines to make burn rate charts something to ignore, or to view with very little importance placed on them. The data represented is for your info only and should not be substituted for traditional reloading data manuals across the site. This new high quality brand from switzerland offers two new powders. Powder burn rate table the following table, ranked from fastest to slowest, was generated by averaging the results of five manufacturers data.
The actual burning rate and position on this chart can be drastically altered by many factors including case size. Also remember, the chart will tell you which powders are faster or slower than others but not how much faster or slower. The reason to use what you refer to as moderate burn rate powders in 1 18 oz. Details on how the data was processed are at the bottom of this page. Professional ballisticians do not use them at all, simply because they have no particular meaning. The following powders are listed by their approximate burning rate, from fastest to slowest. More expensive options may include an electronic scale, which can be more accurate and faster. When choosing a shotgun powder, you will find that there is a lot of variety, largely changing based on the shot load. Stir or shake for a few seconds until powder is fully mixed. Powder trickler a tool used to precisely pour trickle powder onto the scale.
Burn rate charts from closed bomb tests do not take application into consideration and only show relative quickness. Wc868 is slightly faster than wc872 and would be worth a try in the 7mm am. With betaalanine, citrulline, arginine, agmatine, and caffeine, powder burn 2. Nov 24, 2014 nitrochemies comparative powder burn chart column format, not list shows re33rs80 as one step line slower than retumbo and same as viht n570. Vihtavuori 24n41 is a singlebased treated rifle powder very similar to the 20n29.
Samecomparableclose powders under different labels. Offers a wide range of popular powders for all burning rates. Explain why burn rates are expensive for companies. Burn rate charts can never reflect the differences between powders in the correct proportion, and can only place powders in approximate burn rate envelopes. You might be surprised as you compare your favorite powder to others you have never seen or used before or have been curious about. These powder burn chart templates are been created by experts for making a suitable rate chart for the chemical reaction. New powder burn rate chart 2019 november long range hunting. The basics of selecting reloading powders gun digest.
In that chart i see some powder that is the same speed and manufacturer marketed by a different company 7 lines apart. It is just a guide, and using it for anything else is up to you. I did find a post somewhere where someone did use ql to make an updated chart just not accurate for rl26 and i believe rl16 is wrong too. This is the most comprehensive burn rate chart on the web, and includes powders which may or may not be available to the us oem or consumer market. Typically, burn rate is expressed in terms of cash spent each month. Burn rates are not linear meaning the relative quickness between powders listed by each other in the chart may be nearly the. To get that heavy of a load to go faster than 1200 fps, you need powders of the sort you describe. That would work, sam, except im trying to figure out viability for the. Traditionally, we separate these groups by burn rate, with shotgun and pistol powders having higher burn rates than slower burning rifle powders, but there is some overlap. Jan 31, 2016 burn rate charts are not a reliable method of determining whether any two powders are identical, nor even if the same burn rate, different chart publishers use different methods for creating their list. The software that controlled the closed bomb experiments required. Collection of most popular forms in a given sphere.
1089 967 289 1024 1193 54 1475 394 1347 588 759 918 1275 480 402 400 110 663 1464 645 764 440 832 1283 986 1473 143 1405 1211 803 1181 448 847 496 1237