Black Powder Gun Tips (Smokeless Powder)

Smokeless Powder

Tips How to Build a Black Powder Gun

Open the case or kit and use the accessories seen inside to get the stock parts. Check against the list if the contents are complete. Have it replaced immediately if one is missing. Every accessory is there for an important purpose. You cannot improvise for something lacking.

Fit the plate to the bottom of the gun. Use the rasp and sand paper to work down the elevated spots in roughed-out gunstocks and repeatedly fit the bottom of the plate to the gun while checking if what you are doing is correct. Screw it firmly together if you are already sure of the positioning.

Fit the lock to stock to the next one. Slide the lock in the proper places on the right side of the gun for it to fit properly. The lock must slide all the way against the slide of the gunstock. Sand down those areas that block the entry of the stock. Do the same with the stocks.

Mount the trigger and slide its assembly up into the stock and screw it down tight. The gun must now be assembled, however you will now want to disassemble it and stain the stock with your choice of color and type of stain. Make the barrel blue by using the step-by-step blue gun kit provided. Rebuild the gun and distinguish how it shoots.

Smokeless Powder

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Measurement of Smokeless Powder and Black Powder (Smokeless Powder)

Smokeless Powder

Both black powder and smokeless powder are measured in grains - but black powder is measured by volume, and smokeless is measured by weight.

The reason is that black powder is a simple chemical compound (made of sulphur, charcoal, and saltpeter) of a given grain size (Fg, FFg, FFFg, etc), and can be relied upon to produce consistent loads when measured by volume. A volumetric measure (one small scoop, for instance) of FFg black powder can be expected to contain the same amount of powder - therefore the same explosive potential - time and time again.

Smokeless powder, on the other hand, is made in many variations - and the little particles of powder are made in many different shapes and sizes. One type of smokeless powder will be composed of small short cylinders, and another type made of tiny grains resembling grains of sand.

Being composed of differently-shaped particles would be enough to cause volume to be an unreliable measure of smokeless powder, but besides that reason there's also the fact that each type of smokeless powder is chemically different from the other - so a pinch of one vs. a pinch of another will not produce the same pressures and burning characteristics... even if each pinch weighed the same.

Smokeless Powder

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Smokeless Powder Precautions and Warnings (Smokeless Powder)

Smokeless Powder

All smokeless powders obviously have to burn very fast, but handgun and shotgun powders must burn faster than rifle powders. You will readily note the differences in physical size and shape of various powders, but you cannot see differences in chemical composition that help to control the rate of burning. Burn rate is also affected by pressure. "Hot primers," seating the bullet too deep, overcrimping the case on the bullet, tight gun chambers, oversize bullets, use of heavy shot loads and anything that increases friction or confinement of the powder will increase the pressure. Obviously, this hobby requires attention to detail, patience and meticulousness to insure the safety and quality of loads produced.

Powder Warnings
1. NEVER mix powders of different kinds.
2. Use the powder ONLY as recommended in manufacturer reloading manuals.
3. Store powder in cool, dry place.
4. If you throw or measure powder charges by volume, check-weigh the charges every time you begin loading, occasionally during loading and when you finish.
5. Pour out only enough powder for the immediate work.
6. NEVER substitute smokeless powder for black powder or Pyrodex®.
7. Don't carry powder in your clothing. Wash your hands thoroughly after handling it.
8. Store powders only in original package. Don't repackage.
9. Keep powder containers tightly closed when not in use.
10. Specific powders are designed for specific uses. Don't use them for other purposes.
11. Smokeless powder is EXTREMELY FLAMMABLE. To dispose of deteriorated powders, follow recommendations in The Properties and Storage of Smokeless Powder SAAMI Reprint #376-2500, which is published in some reloading guides or available from NRMA.
12. Empty the powder measure back into the original powder container when through with a reloading session. DO NOT MIX POWDERS.
13. Clean up spilled powder with brush and dustpan; do not use a vacuum cleaner because fire or explosion may result.

Source: claybuster100.tripod.com

Smokeless Powder

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Smokeless Powder Types and Burn Rates (Smokeless Powder)

Smokeless Powder

There are many different smokeless powders available in a wide variety of burning rates. Powders are available in two types of composition; Single base and Double base. Single base powders are made from a straight nitro-cellulose composition. Double base powders contain both nitro-cellulose and a percentage of nitroglycerin. Powders most commonly used by the reloader are available in three types.

1. Extruded or Tubular
This type of smokeless powder is most commonly used in rifle cartridges, and is usually single base. However, there are a few which are double base. Burning rate is controlled by composition, grain diameter and length, web thickness, and deterrent coating. Extruded powder can vary greatly in appearance and grain size.

2. Spherical or Ball Powder
Spherical powder can look like tiny round balls or the grains can be flattened. The grains can vary in size, shape, and color. The burning rate of spherical powders can range from a fast pistol powder to very slow rifle powder. All spherical powder is double base and burning rate is determined by chemical composition, grain size, and deterrent coating. Spherical powder, in general, is harder to ignite than extruded powder, therefore magnum primers are recommended in certain loads.

3. Flake
This type of smokeless powder is usually double base fast burning, suitable for pistol, shotgun, and light sub-velocity loads in rifles. Flake powders in slower burning rates suitable for rifles are not available in this country, but have been used in Europe.

Smokeless Powder

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Difference between Black Powder and Smokeless Powder (Smokeless Powder)

Smokeless Powder

There are some diffrences between black powder and smokeless powder that will be describe shortly in this article.

Black powder (the "original propellant") is very pressure sensitive, produces a lot of smoke when ignited, and is not very efficient (meaning it takes a lot more to produce the gas to propel a slug). Black powder is the old charcoal, sulfur, saltpeter mix that the Chinese invented a thousand years ago. It's common "gunpowder". It burns badly and creates huge amounts of smoke. Black powder, when burned, only produces propellant gases with approx 35% of it's mass. 65% of the mass of black powder, when burned, becomes useless solid byproducts in the gun barrel and in the air. If that's not "burns badly" in your opinion, perhaps you need to go back to the third grade again, bud? Your comprehensive skills are obviously lacking.

Smokeless powder is composed of two basic materials. One is nitrocellulose and the other is nitroglycerine. Some smokeless powders are made of only one of these materials and is called a single base powder. Others are composed of a mixture of both components and are called double based powders. The reasosn for using mixtures of the two components is to control their burning rates. Faster burning powders are used for shotguns and handguns. The slower burning powders are used for rifle powders.

Smokeless powders are all progressive burning powders. That means that as the pressure within the cartridge increases, so does the burning rate. It produces a more gentle acceleration than does black powder and achieved much greater final pressures and higher total velocities than will blackpowder. Blackpowder burns at the same rate regardless of the increasing pressure. The maximum pressure is reached more quickly but is significalntly less than smokeless powder. These lower total pressures of black powder are the reason that you cannot use smokeless powder in a gun designed for black powder. You will blow it up and yourself along with it.

Smokeless powder

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