What does excessive fouling lead to?
What does excessive fouling lead to?
As you’ve learned, fouling in heat exchangers can lead to heat transfer degradation, flow resistance, and pressure drops, which can make the proper selection for your process vital.
Are lead bullets bad for your gun?
And they do not damage or hurt the barrel any worse than jacketed bullets. At the slow velocities we use, barrel leading is rarely a problem when using a good quality hard cast bullet. Depending on the bullet hardness, serious leading doesn’t occur until you push it past 12- 1500 FPS.
What causes leading in a rifle barrel?
Each successive bullet fired will “iron” the lead into the surface of the bore and make it more difficult to remove the deposit. This is normally caused by shooting a bullet that is too hard (BHN too high) for the velocities used. This can also be caused by shooting a bullet that is too small in diameter.
Do hard cast bullets lead barrels?
Generally speaking, a properly designed, sized and lubed hard cast bullet will not leave lead alloy deposits in a rifled barrel, but pure lead bullets will almost always foul a barrel to the point of a total loss of accuracy (with very few rounds fired) and perhaps to the point that the barrel will split or worse.
How do I stop fouling?
The best way to avoid particulate fouling is to keep the cooling water clean and thereby prevent particles from entering the heat exchanger. However, in all cooling systems, and especially when using open cooling systems (with cooling towers), there will always be particles present in the cooling water.
What is difference between scaling and fouling?
When cooling systems operate, water with fouling factors flow through the system: Hard water causes scaling, whereas seawater can cause biofilm, or growth of micro and macro species. As fouling increases, two things occur: First, the volume of water that can flow through the heat exchanger is reduced.
Are steel bullets better than lead?
Steel is less dense than lead. The pellets weigh one-third less than lead pellets of the same size. Steel retains less energy and may not kill birds cleanly at the same ranges. Steel with the same weight and shot size contains more pellets than lead, making loads that contain more shot than necessary.
Do bullet casings contain lead?
Lead is found in bullets as well as the explosive that ignites gunpowder. When a bullet is fired, it gets so hot that that lead actually vaporizes. The most direct solution is switching to lead-free ammunition or at least jacketed bullets, which have a lead core covered with a coating made of copper or nylon.
Does Hoppes 9 remove lead?
Trusted throughout the years, Hoppe’s No. 9 Gun Bore Cleaner can be used to clean all pistol, rifle, and shotgun bores and penetrates deeply to remove carbon, powder, and lead fouling. It also loosens abrasive debris to prevent wear and tear on your firearm.
Is Buffalo Bore good ammo?
Registered. Buffalo Bore® produces excellent ammunition. My wife & I carry their 158gr ammo in our 38 Specials & 357 Magnums. It is THE BEST IMHO.
Does a full metal jacket mushroom?
Full Metal Jacket (FMJ) Thanks to their tough copper jackets, FMJs maintain their original shape even in the most extreme conditions. Because FMJs do not mushroom in soft tissue, they are also not effective hunting rounds. Hunters need a bullet that expands upon impact to create major trauma for quick, humane kills.
How does copper fouling affect a rifle’s accuracy?
Obviously, copper fouling can affect a rifle’s accuracy. A borescope, while not necessary for cleaning barrels, is one tool that can help cope with fouling by revealing problems not visible to the naked eye.
What are the characteristics of an accurate rifling barrel?
Rifle barrels must have two characteristics if they’re to shoot accurately. The bore must be dead straight and centered*, and the rifling grooves, which can be anywhere from .002 to .006 deep, can’t vary in depth.
Why do lead bullets have a flat base?
However, most lead bullets have flat bases that require more pressure to expand and keep the gas behind the bullet. At that point, it all comes down to fit. Knowing chamber throat diameters is important to reducing lead fouling.
What happens when you clean a copper fouled barrel?
Very often, a copper-fouled barrel will shoot OK until it’s cleaned, and then it won’t shoot worth a damn. The copper has covered up the pits, and when it’s removed, the bore looks like the surface of the moon.