factors for powder loading

Velocity-To-Charge Ratio: A Good Way To Work Up Safe Loads

It is intended primarily for loading large-capacity magnum rifle cartridges. Hodgdon Powder Co. distributes Winchester propellants and provides appropriate load data via its online Data Reloading Center. I received a sample for testing and evaluating a few months ago, and I've tried it in several recent loading projects.

Choosing The Right Gunpowder - Reloading Part 2 ...

May 02, 2013· Powder cans only tell you vaguely what they are for in most cases, and reloading mauals can give you a number of options for one bullet weight, seemingly that have no relationship to one another whatsoever. All of these powders can be used for most common handgun calibers, and the Trail Boss can be used for low powered rifle loads as well.

Shooting Sports USA | Understanding the Power Factor

Experienced shooters normally load to an average factor of +5 PF: making a Major load a 170, and a Minor load a 130 PF. The original intent of the Power Factor was to prevent shooters from using extremely light "Mouse Puff" loads and require the use of full …

Hodgdon Reloading | Home

Hodgdon ® Powder, IMR ® Powder and Winchester ® Powder expressly disclaim any and all warranties with respect to any and all products sold or distributed by them, the safety or suitability thereof, or the results obtained including, without limitation, any implied warranty of merchantability or fitness for a particular purpose and/or any ...

Reloading the .45/70 Page - Reloading Pages of M.D. Smith

Do not use any of this data with guns designed for black powder loads or any original TRAPDOOR rifles, EXCEPT WHERE NOTED that it is a "TRAPDOOR" Load. If condition of old gun is doubtful, even these loads could be risky. Consider using original Black Powder loads and lead bullet for old guns. 9-9-11

Reloading – Developing Your Loads - The Loadout Room

Reloading tables will invariably specify a maximum powder load for a particular combination of caliber and projectile type/weight, and may provide a starting load as a guide. Where a starting load isn't specified, try starting with about 75% of the maximum load. If …

Alliant Powder - Home

What they're saying… "I was one of the lucky people selected to test the RL50 powder earlier this year. I was not very enthused that someone could produce a powder that would shoot better in the .50 BMG than the VhitiVouri 20N29.

The 4 Best Powder Measures for Reloading -- Reviews 2019

Oct 22, 2019· Any of the best reloading powder measures will also leave powder uncut or undamaged from the measuring, which ensures both a consistent charge, and superior performance in the loaded ammunition. No Matter Which One You Choose… Your choice of powder measure will be based on many different factors.

5 Tips for Reloading Accurate Rifle Ammunition – Ultimate ...

Jan 04, 2013· I typically read reloading manuals, powder manufacturer's published load data, and also published load data from individuals online (such as the load data published on – and I ALWAYS cross reference that data with published load data from the bullet or powder manufacturer). For example- if you are reloading .308 Winchester ...

BP_Cartridge_Rifle_Reloading_Guide -

The BP Cartridge Rifle Reloading Guide (rev. 9/18/03) by Dick Trenk (Competition Events Coordinator, Davide Pedersoli & Co. ) This is a different kind of reloading instruction text. You will not just be advised how to do things but you will also be given the reason why it is done that way.

Accurate Ammo? 7 Best Reloading Powders 2019 [Reliable]

How to Store Your Powder. First and foremost, reloading powder should be stored in a cool, dry place. The most important factor to consider when storing your powder is keeping it dry. Powder that is, or has been wet can cause major inconsistencies and can cause your velocities to …

.40 S&W Minor Loads - 10mm/40 Caliber - Brian Enos's ...

Jun 06, 2018· All load data is for reference only, use at your own risk, and realize that these loads are loaded to 1.180" COAL for my 2011 Competition gun and will not work in other types of .40 S&W firearms that use a shorter COAL. My gun is an STI .40 with a 5" barrel using a 12 lb. recoil spring. Here are the two loads that I really liked: ---

Rifle « Accurate Powders

Low bulky density and superior ignition characteristics make 5744 an excellent choice for reduced loads in many rifle calibers and in large capacity black powder cartridges such as the 45-70 through 45-120 and 50-90 through 50-120. Made in Canada.

Hopper Design Principles - Chemical Engineering | Page 1

Jan 01, 2016· The flow factor is a function of the powder's effective angle of internal friction, the hopper angle, and the wall friction angle. Charts that provide flow factors for conical and wedge-shaped hoppers are given in Jenike [1]; Examples are shown in Figures 9a and 9b. Typical values of the flow factor range between 1.1 and 1.7.

9mm 147gr loads with specific powders | Northeastshooters ...

Jul 30, 2014· 9mm 147gr loads with specific powders. Discussion in 'Reloading' started by ... which makes sense, but increasing the powder in the WSF loads lowered the velocity in the berry's, and only marginally increased it in the Speer. ... A friend and I compared my 147gr load with his 124gr load, both at the same ~134k power factor) and the 147gr was ...

Chapter 8 BLAST DESIGN - National Park Service

pounds, there are several possible combinations that can express the powder factor. Powder Factor = Tons of rock (or cubic yards) per pounds of explosive. Normal range = 4 to 7 Shallow holes = 1 to 2 External loads = .3 Tons of Rock = Powder Factor lbs of Explosives The higher the powder factor, the lighter the load. Lower powder factor means ...

CFE 223 – Hodgdon

This spherical propellant was designed expressly to provide top velocities in fast cartridges. CFE 223 contains our Copper Fouling Eraser ingredient, originally used in military propellant, which greatly deters copper fouling and contributes to longer periods of top accuracy with less barrel cleaning time.

Reloading data - Vihtavuori

Hodgdon ® Powder, IMR ® Powder and Winchester ® Powder expressly disclaim any and all warranties with respect to any and all products sold or distributed by them, the safety or suitability thereof, or the results obtained including, without limitation, any implied warranty of merchantability or fitness for a particular purpose and/or any ...

Power factor - Wikipedia

In electrical engineering, the power factor of an AC electrical power system is defined as the ratio of the real power absorbed by the load to the apparent power flowing in the circuit, and is a dimensionless number in the closed interval of −1 to 1. A power factor of less than one indicates the voltage and current are not in phase, reducing the average product of the two.

Load Development for Beginners - Pew Pew Tactical

Jan 16, 2017· You can also choose different kinds of powder. You'll need one that has load data for the bullet you've chosen, so that you can be sure that the powder can safely work with your bullets, and so you know the minimum and maximum amounts. Powder can also have other characteristics that change its desirability for an optimal load for your gun.

Shooting Sports USA | Reloading Tips For 9 Major - ssusa.org

The 0.015-inch deeper seated load increased velocity by a surprising 85 fps―10 full power factors―equal to a change of at least 0.5-grains of this powder. I don't know how much pressure was increased, but it was not a trivial amount. Tip 3. Slow powder.

Alliant Powder - Reloader's Guide

Alliant Powder neither assumes nor authorizes any person to assume for it any liability in connection with the use of any product or data. The individual accessing this site assumes the risk of safe loading practices. Failure to do so could result in severe personal injury (or death) and/or property damage.

Hodgdon CFE 223 powder | Long Range Hunting Forum

Apr 11, 2017· As a practical rifle powder, I got over it a long time ago. The guys I know who like CFE 223 are reloading guys who brag about its consistent metering. Every throw is "right on the money" according to them. What the hell is consistent metering worth when the powder itself is another ball powder with known temp stabilitry issues???

Selection of Powder Factor in Large-Diameter Blast Holes

loading circumstances. The maintenance cost of the shovels is affected by powder factor. The cost of shovel teeth plus wear materials on buckets improves with higher powder expenditures.(fig. 7) The effect on the primary crusher is to increase through-put as powder factor rises.(fig. 8) The last step in tracking powder factor is in the

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