180pilot

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Be careful what you wish for:

"THE COPPER PERSONALITY

There is a high copper personality. Positive traits include a warm, caring, sensitive, emotional nature, often with artistic orientation and a child-like quality. Often high-copper people are young-looking. Many traditional feminine traits are associated with copper such as softness, gentleness and intuitiveness.
When the personality is not fully integrated or the copper becomes too high, negative traits show up. These include spaciness, racing thoughts, living in a dream world, naivete, childishness, excessive emotions, sentimentality, a tendency to depression, fearfulness, hidden anger and resentments, phobias, psychosis and violence. Artists, inventors and other high-copper types often "live on the edge", in part due to their high copper level.
The copper personality tends to accumulate copper easily. Copper functions as a psychological defense mechanism. It causes one to detach slightly from reality. This provides relief from stress for the sensitive individual. It works well as long as the copper does not become too high. Very high copper can cause a psychotic break from reality, a type of schizophrenia.
An 18-year old schizophrenic patient had a hair copper level of 40 mg% (normal is 2.5 mg%). She hallucinated and attempted suicide twice while in the Scottsdale Camelback Mental Hospital. When her copper decreased to normal through a diet and supplement program, her symptoms disappeared and she has remained well.


COPPER AND SOCIETY

Is it possible that our mineral balance affects our attitudes? Copper is called the 'psychic' mineral, the 'intuitive' mineral, and a 'feminine' mineral because it is so important for the female reproductive system. Its level generally parallels that of estrogen. While many factors influence our attitudes and values, the rise in tissue copper levels in both men and women in the past twenty years parallels renewed interest in feminism, in psychic and intuitive knowledge, and 'nurturing' movements such as environmentalism. "
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http://www.drlwilson.com/articles/copper_t...ty_syndrome.htm
 

180pilot

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There used to be an airport at Bonny Doon.

Well with the tongue out of my cheek, let me say right from the get go, I've had over pressure problems with Barnes monolithic bullets in my Ultra Mags. In my 45 years of reloading, the TSX bullet has been the only cause of a blown primer and stuck bolt in any of my rifles. They can be dangerous in circumstances of high pressure cartridges and barrels that are on the tight side of the tolerances, even with the lowest beginning loadings!! This article off the internet concerning the grooves on TSX can explain it better then I:

"What is the purpose of the grooves?
The purpose of the grooves is twofold. First, whenever a bullet passes down the barrel, the lands of the rifling must engrave the bullet. The material that is displaced by those lands must have a place to go. In a conventional bullet, with a thin jacket and a full-length lead core, the jacket and core can easily yield to the lands. In a monolithic bullet or one with a monolithic rear section, the only route of escape for the displaced material is to make the bullet longer. Considering the material in this area will not yield, as easily as if there was lead underneath it, the stresses, between the bullet and the barrel, will exceed the sheer strength of the jacket material. This increased stress sets up a galling action, which is one of the major causes of jacket fouling. What the grooves do is to allow the material that is displaced by the rifling lands, an easy escape route. This allows the stresses between the bullet and the barrel to stay below the point at which galling (fouling) occurs.
The second advantage of the grooves on the rear section is that they allow the bullet to be more forgiving to variations in bore dimensions. The dimensions of different barrels commonly vary by, plus or minus, .0003”, and it is not unheard of that they can vary by more than .0010”. If you put a solid sectioned bullet down a barrel that is over standard size, you probably won’t have too much of a problem; accuracy may suffer but, generally, it won’t be dangerous. Unfortunately, the reverse is not so benign. A solid sectioned bullet fired down an undersized barrel can cause, dangerously high, pressure spikes as well as increasing the probability of severe fouling. The grooves lessen this problem, as they are designed to receive more than the standard amount of displaced material."

IF I'm forced to use these bullets, It means a re-barrel job for this rifle that shoots 1/2 groups now with Hornady SST's. To have a qauged barrel with exact dimensions made today, will cost more then I now have in entire rifle. And, how they will work in my other custom wildcats, I have no idea? But, they scare me now!

If all are forced to use these, I believe such problems and others will start to show up.
 

180pilot

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Interesting to see what Germans are doing with monolithics to solve pressure problems. This all copper banded 7mm may be my new, very best favorite, if I can get them from across the pond.



7-mm-KWJG.jpg



They have reversed the Barne's grooves, using only the bands to engrave the rifling, reducing the pressure spike and fouling. Appears this bullet just won the Lupua Snipers Cup in .338
 

180pilot

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I've ordered some of the new 7mm 140 grain banded solids from Barnes for a experiment against the pressure problems I've had with their TSX bullet. These are true banded bullets with the bands only running on the rifling lands.
They are, however made of a brass alloy. With the very high velocities of the 7mm Rum, 3300-3400 fps, the effect on meat and bone should be interesting even if they don't expand.
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For a large hog, I'm going right for the shoulder bone if I can, or end to end shot, for first experiment.
 

180pilot

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It appears I might have been led astray by Barnes, after getting pictures of the new "banded bullets" it appears that only calibers .338 and above are "banded", ( bands larger in diameter then bullet body), up to .308 are grooved, just like TSX:

barnesbanded.jpg



If you look closely, you can see the larger diameter of bands on .338 next to .308 and .284

Back to drawing board, I'll have to make a cast of my chamber and throat lead in, to see if cutting more freebore will reduce engraving pressure with TSX. Minimum purchase on those beautiful banded German CNC turned bullets is 300 or $600 worth!
 

Speckmisser

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I believe those big solids are made for dangerous game anyway. Don't think I'd want to do much hog or deer hunting with them since I'd expect them to poke right through anything except a truly monstrous boar.

Haven't tried the TSX yet, even though I've got a hundred or so laying on my reloading bench. Hope to get them loaded up and zeroed in time for the Tejon hunt next month.
 

180pilot

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<
For all my shooting life, it's been find a bullet a rifle likes, now it's going to be,.. find a rifle that likes a bullet..........
 
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