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Old 02-11-2010, 14:30   #351
KenB22
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Originally Posted by uz2bUSMC View Post
Slow down smoky, I said I have a good understanding, not expertise. Don't put words in my mouth. And what you don't understand is I don't care. If you don't like or trust what I post, I promise it is no loss of sleep to me. I spend no part of my day worrying if KenB22 likes/doesn't like or even reads my posts. And just so YOU know, posting stuff like this...



,,,shows that you are only limited to being my personal spell check and have no real understanding of terminal ballistics and lack the ability to identify someone who does.

No. I think my point is clear. Nobody in law enforcement, nobody who makes handguns and none of the ammo companies care one whit about ballistic pressure waves. None of them consider BPW at all. It's a non-issue to them. Only people talking about BPW are people on bulletin boards trying to convince others how smart they are and that BPW exists. When people who have to put down bad guys pay attention to this stuff, I will too.
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Old 02-11-2010, 14:44   #352
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No. I think my point is clear. Nobody in law enforcement, nobody who makes handguns and none of the ammo companies care one whit about ballistic pressure waves. None of them consider BPW at all. It's a non-issue to them. Only people talking about BPW are people on bulletin boards trying to convince others how smart they are and that BPW exists. When people who have to put down bad guys pay attention to this stuff, I will too.

I think that regardless, it is impossible for anyone to dispute that there are MANY cases of high-velocity (for a handgun) JHP's impacting vascular structures in the chest and not causing any form of incapacitation due to TBI.

I refuse to say it is impossible, but I once again assert that to count on it or plan for it, is like a school child in the South wishing for a snow-day in April.
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Old 02-11-2010, 15:13   #353
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No. I think my point is clear. Nobody in law enforcement, nobody who makes handguns and none of the ammo companies care one whit about ballistic pressure waves. None of them consider BPW at all. It's a non-issue to them. Only people talking about BPW are people on bulletin boards trying to convince others how smart they are and that BPW exists. When people who have to put down bad guys pay attention to this stuff, I will too.
Here again, you know nothing of Law Enforcement or Government agencies, obviously. Pay attention to them all you like, they will teach you nothing. This of course falls right in line with what you already know... nothing.
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Old 02-11-2010, 15:27   #354
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At 100 yards are you capable of placing your shots in a 7" circle using a 4" barreled service-pistol?
Didn't say I was capable, was correcting his myth busted statement.
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Old 02-11-2010, 15:36   #355
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Didn't say I was capable, was correcting his myth busted statement.
Ah, gotcha. I am just saying that at 100 yards, the topic is moot.
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Old 02-11-2010, 18:20   #356
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....
I figure someone who wanted to us to think he was knowledgeable about statistical modeling, physics, ballistics, anatomy and medicine (all at the same time) would learn how to spell. I would like to hear from people who have first hand knowledge actually researching this topic chime in.
This is a really interesting means of verifying depth of knowledge. Spelling is a fascinating branch of learning. How did you learn to spell? Do you even know how you did it or did it just happen? English English and American English orthograpies have some very interesting rules but very few children or adults know more than a few of them. We could say that this knowledge is an intellectual knowledge of how to spell, but, in fact, most people who can spell well do so without thought of any intellectual kind. That is, their skill is not learning at an intellectual level but a kind of training process of the memory which has no connection to intellectual knowledge or ability and has little significance to core knowledge beyond vocabulary or jargon related to that particular core knowledge.

You can see the reverse process at work with almost anyone if they are required to read aloud text containing some long and difficult words with which they are unfamiliar. The result is that they stumble and try to apply those rules they think they understand, some of which are usually incorrect, to synthesise the phoneme sequence of the difficult word.

Of course, orthographical knowledge is not much use if you can't pronouce a word you wish to spell. Bright children automatically generate orthographical rules as they read material beyond their level of vocabulary. Almost all such children will pronounce "askance" as a-skance instead of ask-ance. They have met words like askew, aslant and awry and see its meaning as fitting the same paradigm. They then give it a meaning which they think fits the context of its use on that basis. They are usually a long way into adulthood before they discover their error. That is not a direct example but is an interesting illustration of linguistic development. A more direct example is what I take to be the American pronunciation of "buoy" since I heard it from an American yacht race commentator. He pronounced it "boo-y" and it should be pronounced "boy". If we transpose the "uo" to get "ou" then we can expect it to represent an "oo" or "ow" vowel sound and that is presumably how he, or Americans as a whole, arrived at the pronunciation. Where the silent "u" fits into English orthography is something I don't know but it seems to occur only with the cognate groups of build and buoy.

Quite appart from that, there are fascinating errors that can be seen in a site like this. Many are not typos as such but just examples of where people do not know, for example, the difference between sight and site. Others introduce incorrect vowels, "a" in place of "o" is remarkably common even though the writer knows perfectly well that he should use "o". "i" in place of "o" is a different category which occurs simply because the two keys lie next to each other. Some appear to be caused by triggering a mirror action of the finger of the wrong hand. Some introduce a phonetic spelling, although the writer, once again, knows the correct spelling. A common failing of mine is to miss the last letter of a word and write her instead of here. I never write hre instead of here. Most strange!

It would be far better, I believe, if more people took more care with spelling, choice of words and phraseology as they write here, or anywhere else, but I also believe that such ability or care has bugger all relationship to their knowledge or thinking ability. As you have made such a claim, would you explain the relationship?

English
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Old 02-11-2010, 18:44   #357
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This is a really interesting means of verifying depth of knowledge. Spelling is a fascinating branch of learning. How did you learn to spell? Do you even know how you did it or did it just happen? English English and American English orthograpies have some very interesting rules but very few children or adults know more than a few of them. We could say that this knowledge is an intellectual knowledge of how to spell, but, in fact, most people who can spell well do so without thought of any intellectual kind. That is, their skill is not learning at an intellectual level but a kind of training process of the memory which has no connection to intellectual knowledge or ability and has little significance to core knowledge beyond vocabulary or jargon related to that particular core knowledge.

You can see the reverse process at work with almost anyone if they are required to read aloud text containing some long and difficult words with which they are unfamiliar. The result is that they stumble and try to apply those rules they think they understand, some of which are usually incorrect, to synthesise the phoneme sequence of the difficult word.

Of course, orthographical knowledge is not much use if you can't pronouce a word you wish to spell. Bright children automatically generate orthographical rules as they read material beyond their level of vocabulary. Almost all such children will pronounce "askance" as a-skance instead of ask-ance. They have met words like askew, aslant and awry and see its meaning as fitting the same paradigm. They then give it a meaning which they think fits the context of its use on that basis. They are usually a long way into adulthood before they discover their error. That is not a direct example but is an interesting illustration of linguistic development. A more direct example is what I take to be the American pronunciation of "buoy" since I heard it from an American yacht race commentator. He pronounced it "boo-y" and it should be pronounced "boy". If we transpose the "uo" to get "ou" then we can expect it to represent an "oo" or "ow" vowel sound and that is presumably how he, or Americans as a whole, arrived at the pronunciation. Where the silent "u" fits into English orthography is something I don't know but it seems to occur only with the cognate groups of build and buoy.

Quite appart from that, there are fascinating errors that can be seen in a site like this. Many are not typos as such but just examples of where people do not know, for example, the difference between sight and site. Others introduce incorrect vowels, "a" in place of "o" is remarkably common even though the writer knows perfectly well that he should use "o". "i" in place of "o" is a different category which occurs simply because the two keys lie next to each other. Some appear to be caused by triggering a mirror action of the finger of the wrong hand. Some introduce a phonetic spelling, although the writer, once again, knows the correct spelling. A common failing of mine is to miss the last letter of a word and write her instead of here. I never write hre instead of here. Most strange!

It would be far better, I believe, if more people took more care with spelling, choice of words and phraseology as they write here, or anywhere else, but I also believe that such ability or care has bugger all relationship to their knowledge or thinking ability. As you have made such a claim, would you explain the relationship?

English

In summary, can I provide the observation that the IQ of the man whos fist smashes anothers face is irrelevant?
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Old 02-11-2010, 18:57   #358
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In summary, can I provide the observation that the IQ of the man whos fist smashes anothers face is irrelevant?

The arena here is formed by the limits of intellect and the weapons are words not fists.
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Old 02-11-2010, 19:22   #359
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The arena here is formed by the limits of intellect and the weapons are words not fists.

If it is intellect that is to be championed, then words should be used as tools instead of weapons.
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Old 02-11-2010, 20:50   #360
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If it is intellect that is to be championed, then words should be used as tools instead of weapons.
Mixed metaphors. Try to stay consistent.
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Old 02-12-2010, 00:36   #361
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Originally Posted by English View Post
This is a really interesting means of verifying depth of knowledge. Spelling is a fascinating branch of learning. How did you learn to spell? Do you even know how you did it or did it just happen? English English and American English orthograpies have some very interesting rules but very few children or adults know more than a few of them. We could say that this knowledge is an intellectual knowledge of how to spell, but, in fact, most people who can spell well do so without thought of any intellectual kind. That is, their skill is not learning at an intellectual level but a kind of training process of the memory which has no connection to intellectual knowledge or ability and has little significance to core knowledge beyond vocabulary or jargon related to that particular core knowledge.

You can see the reverse process at work with almost anyone if they are required to read aloud text containing some long and difficult words with which they are unfamiliar. The result is that they stumble and try to apply those rules they think they understand, some of which are usually incorrect, to synthesise the phoneme sequence of the difficult word.

Of course, orthographical knowledge is not much use if you can't pronouce a word you wish to spell. Bright children automatically generate orthographical rules as they read material beyond their level of vocabulary. Almost all such children will pronounce "askance" as a-skance instead of ask-ance. They have met words like askew, aslant and awry and see its meaning as fitting the same paradigm. They then give it a meaning which they think fits the context of its use on that basis. They are usually a long way into adulthood before they discover their error. That is not a direct example but is an interesting illustration of linguistic development. A more direct example is what I take to be the American pronunciation of "buoy" since I heard it from an American yacht race commentator. He pronounced it "boo-y" and it should be pronounced "boy". If we transpose the "uo" to get "ou" then we can expect it to represent an "oo" or "ow" vowel sound and that is presumably how he, or Americans as a whole, arrived at the pronunciation. Where the silent "u" fits into English orthography is something I don't know but it seems to occur only with the cognate groups of build and buoy.

Quite appart from that, there are fascinating errors that can be seen in a site like this. Many are not typos as such but just examples of where people do not know, for example, the difference between sight and site. Others introduce incorrect vowels, "a" in place of "o" is remarkably common even though the writer knows perfectly well that he should use "o". "i" in place of "o" is a different category which occurs simply because the two keys lie next to each other. Some appear to be caused by triggering a mirror action of the finger of the wrong hand. Some introduce a phonetic spelling, although the writer, once again, knows the correct spelling. A common failing of mine is to miss the last letter of a word and write her instead of here. I never write hre instead of here. Most strange!

It would be far better, I believe, if more people took more care with spelling, choice of words and phraseology as they write here, or anywhere else, but I also believe that such ability or care has bugger all relationship to their knowledge or thinking ability. As you have made such a claim, would you explain the relationship?

English
This is, quite possibly, one of the most fantastic responses I've ever read here.
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Old 02-12-2010, 08:46   #362
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This is a really interesting means of verifying depth of knowledge. Spelling is a fascinating branch of learning. How did you learn to spell? Do you even know how you did it or did it just happen? English English and American English orthograpies have some very interesting rules but very few children or adults know more than a few of them. We could say that this knowledge is an intellectual knowledge of how to spell, but, in fact, most people who can spell well do so without thought of any intellectual kind. That is, their skill is not learning at an intellectual level but a kind of training process of the memory which has no connection to intellectual knowledge or ability and has little significance to core knowledge beyond vocabulary or jargon related to that particular core knowledge.

You can see the reverse process at work with almost anyone if they are required to read aloud text containing some long and difficult words with which they are unfamiliar. The result is that they stumble and try to apply those rules they think they understand, some of which are usually incorrect, to synthesise the phoneme sequence of the difficult word.
Are you saying that when I repeatedly mispronounce "corpsman" as "corpseman" it betrays an immature intellect and/or lack of knowledge?
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Old 02-12-2010, 09:07   #363
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Old 02-12-2010, 09:17   #364
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Shane!

Come back!

Come back, Shane!
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Old 02-12-2010, 10:13   #365
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As you have made such a claim, would you explain the relationship?
English
Everyone who has ever read posts on a bulletin board has struggled with the problem of trying to ascertain whether or not the poster knows what he/she is talking about. True of my posts, true of everyone's posts. Since most do it anonymously, that is a very hard task. One reason why I respect Dr. Roberts’s posts is that he does not post anonymously. I can see who he is and look up his CV and publications and decide for myself whether he is someone who should be listened to. Same when Dr. Courtney posts under his name and not as Pasteur or whoever he is going by these days. I may or may not agree with anyone's analysis but I respect the posting under a real name. In evaluating this theory and its evidence, I am reminded of the Ghost Hunters program on the Sci Fi channel. I have seen digital recorders to capture electronic voice phenomena, electromagnetic field detectors, thermal imaging cameras and white noise generators as a catalyst to draw out paranormal activity all used to prove ghosts exist.

In discussing the OP's post, people here have tried to use physics, ballistics, wounding mechanisms, human anatomy, the circulatory system and mathematical modeling and how they all interrelate to explain why the .357 sig is proving to be an unbelievable manstopper. These are all very precise fields of study. I can't put someone on a witness stand and cross examine them to see who they are, what they do for a living, what publications they have authored and how much they really understand.

Here is what juries are told about witnesses: <!--[if gte mso 9]><xml> <u1:WordDocument> <u1:View>Normal</u1:View> <u1:Zoom>0</u1:Zoom> <u1:DoNotOptimizeForBrowser/> </u1:WordDocument> </xml><![endif]-->To weigh the evidence, you must consider the credibility and reliability of the witnesses.
You should apply the tests of truthfulness and reliability that you apply when acting upon the most important of your own affairs. These tests include the appearance of each witness while testifying (can't do that here);

his or her manner of testifying (In trying to determine if someone can think precisely, or understand precise terminology or subject matters, I think it makes sense to see if they can be precise. On a bulletin board, one such piece of evidence is how they write or how they spell. I agree it isn't necessarily true that a bad speller doesn't know physics but I would argue that ability to spell and differentiate between to and two is some evidence of ability to think precisely or interpret precise concepts. When posting here at Glock Talk, posts have spell check in them that underline misspelled words. You can right click on the underlined word to get suggested spellings. To ignore these underlined words and post things with obvious spelling and grammatical errors are some evidence on the issue of whether the poster thinks precisely or can read precise texts. I also think whether or not someone proofreads their posts is a clue if the poster can read things precisely. We are trying to cull out those who really know a subject matter from those who slept at a Holiday Inn Express.
The reasonableness of the testimony;

the opportunity the witness had to see, hear, and know the things about which he or she testified; We won't know that until people start posting résumé’s and publications along with their posts.

The witness’s accuracy of memory; Probably not an issue here.
frankness or lack of it; Hard to evaluate with anonymous postings
intelligence; Hard with no résumé’s or the ability to cross examine. Best I can do on a bulletin board is look at sentence structure, spelling, and grammar to gain potential insight into whether a poster is capable of understanding those topics he/she is discussing. To give an extreme example, lets take a post on nuclear physics. If it was posted using an average 1st grader's sentence structure and spelling and grammar, wouldn't it raise a red flag whether or the poster truly understands the topic.
Interest and bias, if any; hard with anonymous postings. Probably impossible
together with all the facts and circumstances surrounding the testimony. I would argue that certain surrounding circumstances here are important. 1)
Apart from bulletin boards, are there people out there in the real world who should have an interest in this topic. I would say "yes” law enforcement in all of it various branches. I assume they have an interest in putting down bad guys quickly. 2) Has anyone who should have an interest in these theories actually adopted them in any meaningful way? Not to my knowledge. Please correct me if I'm wrong and give me the cite to where ammo choices were made by law enforcement using BPW leading to increased incapacitation as a consideration in ammo procurement. 3-Why not? Is it safe to assume law enforcement doesn't believe it? Look at all the things the FBI did after the perceived ammo failure in Miami. Why would they exhaustively try and find a better round to arm their field agents with in the 1980's and not do the same thing today?

Applying these tests, you will assign to the testimony of each witness such weight as you think proper. YMMV
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Old 02-12-2010, 13:16   #366
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No. I think my point is clear. Nobody in law enforcement, nobody who makes handguns and none of the ammo companies care one whit about ballistic pressure waves. None of them consider BPW at all. It's a non-issue to them. Only people talking about BPW are people on bulletin boards trying to convince others how smart they are and that BPW exists. When people who have to put down bad guys pay attention to this stuff, I will too.
Work in this field has been published by military researchers in the United States, China, and Sweden as well as forensic scientists in several countries. Various terms are used to refer to the potential for BPW effects: shock wave, hydrodynamic shock, hydrostatic shock, etc. A number of ammunition designers and suppliers mention ideas related to hydrostatic shock in their patents and marketing literature: Charlie Kelsey (radially dynamic bullets), David Harris, Tom Burczynski (Quik-Shok, Hydra Shok), Bruce McArthur, Federal Cartridge (Hydra Shok), American Ammunition (Quik-Shok), the THV bullet, Hornady (Super Shock Tip, SST), Barnes Bullets (Triple Shock), TC Arms (Shock Wave), and Elite Ammunition. One handgun manufacturer makes the point with a video showing exploding watermelon heads.
<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>
In his book on hostage rescuers, Leroy Thompson discusses the importance of hydrostatic shock in choosing a specific design of .357 Magnum and 9x19mm Parabellum bullets. In “Armed and Female,” Paxton Quigley explains that hydrostatic shock is the real source of “stopping power.” Jim Carmichael, who served as shooting editor for Outdoor life magazine for 25 years, also believes that hydrostatic shock is important to “a more immediate disabling effect” and is a key difference in the performance of .38 Special and .357 Magnum hollow point bullets. In “The search for an effective police handgun,” Allen Bristow describes that police departments recognize the importance of hydrostatic shock when choosing ammunition. A research group at West Point suggests handgun loads with at least 500 ft-lbs of energy and 12 inches of penetration. A number of law enforcement and military agencies have adopted the 5.7x28mm cartridge, which is reputed to cause considerable hydrostatic shock. These agencies include the Navy SEALs, the United States Secret Service, and the Federal Protective Service branch of the ICE.
<o:p></o:p>
Dr. Randall Gilbert describes hydrostatic shock as an important factor in bullet performance on whitetail deer, “When it [a bullet] enters a whitetail’s body, huge accompanying shock waves send vast amounts of energy through nearby organs, sending them into arrest or shut down.” Dave Ehrig expresses the view that hydrostatic shock depends on impact velocities above 1100 feet per second. Sid Evans explains the performance of the Nosler Partition bullet and Federal Cartridge Company’s decision to load this bullet in terms of the large tissue cavitation and hydrostatic shock produced from the frontal diameter of the expanded bullet. The North American Hunting Club also suggests big game cartridges that create enough hydrostatic shock to quickly bring animals down.
<o:p></o:p>
In an article in Outdoor Life, Jim Carmichael describes an experiment in a Cape Buffalo culling operation where 1) Brain hemorrhaging is observed in animals shot in the chest and 2) Animals where hemorrhaging is observed drop immediately whereas, animals with no remote brain hemorrhaging do not drop immediately:
<o:p></o:p>
Whereas virtually all of our opinions about knockdown power are based on isolated examples, the data gathered during the culling operation was taken from a number of animals. Even more important, the animals were then examined and dissected in a scientific manner by professionals.
<o:p></o:p>
Predictably, some of the buffalo dropped where they were shot and some didn't, even though all received near-identical hits in the vital heart-lung area. When the brains of all the buffalo were removed, the researchers discovered that those that had been knocked down instantly had suffered massive rupturing of blood vessels in the brain. The brains of animals that hadn't fallen instantly showed no such damage. <o:p></o:p>
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Old 02-12-2010, 17:52   #367
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KenB22 wrote:

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I also think whether or not someone proofreads their posts is a clue if the poster can read things precisely. We are trying to cull out those who really know a subject matter from those who slept at a Holiday Inn Express.
The work I do requires I be precise, Glocktalk is not a job... so I'm not required too.

Quote:
Not to my knowledge. Please correct me if I'm wrong and give me the cite to where ammo choices were made by law enforcement using BPW leading to increased incapacitation as a consideration in ammo procurement. 3-Why not?
Here again it is clear you have no idea how LEA work or the military. Budget is first and foremost, then everything else. There are LEAs out there that don't pay for their officer's vests, but somehow you think that they would buy top of the line ammo? You never fail to dissapoint.
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Old 02-12-2010, 17:54   #368
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And by the way Ken, spell check doesn't automatically correct your posts, you have to download Iespell to do it.
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Old 02-12-2010, 18:15   #369
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Are you saying that when I repeatedly mispronounce "corpsman" as "corpseman" it betrays an immature intellect and/or lack of knowledge?
I would never suspect you of having an immature intellect but all intellects have limits. In this case I don't know the correct pronunciation. it is clearly derived from the French, as in esprit de corps, and therefore English orthography does not apply. I would guess that it should follow the French and should be pronounced cor-man but, if it is, it does seem to be one of the things that bright youngsters get wrong and then take a long time to catch up with because of its rarity in spoken speach.

But now, it seems, you know how it should be pronounced, but continue to pronounce it corpseman. Is this just because it keeps coming out that way or is it because the general American usage is corpseman and you would just not be understood if you started pronouncing it a la francais?

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Old 02-12-2010, 18:43   #370
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I would never suspect you of having an immature intellect but all intellects have limits. In this case I don't know the correct pronunciation. it is clearly derived from the French, as in esprit de corps, and therefore English orthography does not apply. I would guess that it should follow the French and should be pronounced cor-man but, if it is, it does seem to be one of the things that bright youngsters get wrong and then take a long time to catch up with because of its rarity in spoken speach.

But now, it seems, you know how it should be pronounced, but continue to pronounce it corpseman. Is this just because it keeps coming out that way or is it because the general American usage is corpseman and you would just not be understood if you started pronouncing it a la francais?

English
Thanks, English.

Actually, I know "core-man" is the correct pronunciation but I was asking for a friend of mine who keeps mispronouncing the word and none of his associates will correct him.

He was a visiting lecturer at a college at one time and doesn't take kindly to anyone pointing out he's not perfect.
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Old 02-12-2010, 19:15   #371
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KenB22,
A good post but you are looking for secondary characterisers to qualify primary quality. My youngest son has a First Class degree in Physics from one of the World's top 5 institutions but he is dyslexic and does not write at all well. Not too bad but definitely not well! This has not been helped by the fact that the UK educational system specialises at an earlier age than the US system and so the last 6 years of his education have been almost essay free.

I believe that the only way you can judge content is by following the explanation and comparing it to your own base knowledge. The difficulty then is in deciding what amongst the things you know is knowledge and what is authorative sounding clap trap that you have accepted from someone else without sufficient questioning or fundamental knowledge to question.

Certainly there are linguistic clues, but they still depend on base knowledge. One example is the use of the term "hydrostatic" to describe a hydrodynamic phenomenon, but in science it is the experimental result that is king and not the precision of the language used to describe it. The Romans produced a hard, durable, mortar some 2,000 years before we had the knowledge of chemistry to understand it. If you read Gearge Sorros's book on investment it is inpenetratable English but you can't argue with his results.

We are not a jury trying to judge the quality of a witness but people trying to make sense of a large category of wounding phenomena or people trying hard to pretend that the phenomena do not really exist by applying labels like "psychological factors" to it which do not fit the data. The Courtneys' work goes part way to explaining the anomalous data by providing a correlation between the peak pressure of a ballistic pressure wave and the probability of rapid collapse. They show a clear monotonic increase of effect with increase of pressure. They did not profess to have determined the mechanism involved and, as Swede1945 said a few pages back, it could have been one of three things. But it did have to have an effect directly on the brain! Since then a study at a Czech institute has shown the presence of characteristic minor brain trauma from remote gunshot wounds. This is not correlated to type of cartridge or rapidity of collapse but does show damage from remote wounding.

So far this seems to be a convincing tale of the probable existence of a real and useable effect. Almost the only way in which it could be wrong is for the Corneys to have doctored their data and many here have virtually claimed that they and independent Czech researchers have done so. I am not allowed to give my comment on this. In contrast, the opponents of the BPW effect produce a string of non arguments and no contradictory data. People professing a knowledge of scientific method claim that it is up to the Courtneys' to do more work to prove their case although the scientific method is that it is up to others to repeat the experiments or invent experiments to falsify the Courtney's hypothesis. These people claim that a sound hypothesis or theory should be able to stand up to attack. So it should but the attack should come from experimental evidence and not from verbal argument and character assasination. It should make no difference whether Dr. Courtney is really a 105 year old Nazi death camp Doctor in disguise. His work stands or falls on its scientific base and is independent of the scientist who created it.

It is now far too late and I am going to bed.

English
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Old 02-12-2010, 19:41   #372
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KenB22,
A good post but you are looking for secondary characterisers to qualify primary quality. My youngest son has a First Class degree in Physics from one of the World's top 5 institutions but he is dyslexic and does not write at all well. Not too bad but definitely not well! This has not been helped by the fact that the UK educational system specialises at an earlier age than the US system and so the last 6 years of his education have been almost essay free.

I believe that the only way you can judge content is by following the explanation and comparing it to your own base knowledge. The difficulty then is in deciding what amongst the things you know is knowledge and what is authorative sounding clap trap that you have accepted from someone else without sufficient questioning or fundamental knowledge to question.

Certainly there are linguistic clues, but they still depend on base knowledge. One example is the use of the term "hydrostatic" to describe a hydrodynamic phenomenon, but in science it is the experimental result that is king and not the precision of the language used to describe it. The Romans produced a hard, durable, mortar some 2,000 years before we had the knowledge of chemistry to understand it. If you read Gearge Sorros's book on investment it is inpenetratable English but you can't argue with his results.

We are not a jury trying to judge the quality of a witness but people trying to make sense of a large category of wounding phenomena or people trying hard to pretend that the phenomena do not really exist by applying labels like "psychological factors" to it which do not fit the data. The Courtneys' work goes part way to explaining the anomalous data by providing a correlation between the peak pressure of a ballistic pressure wave and the probability of rapid collapse. They show a clear monotonic increase of effect with increase of pressure. They did not profess to have determined the mechanism involved and, as Swede1945 said a few pages back, it could have been one of three things. But it did have to have an effect directly on the brain! Since then a study at a Czech institute has shown the presence of characteristic minor brain trauma from remote gunshot wounds. This is not correlated to type of cartridge or rapidity of collapse but does show damage from remote wounding.

So far this seems to be a convincing tale of the probable existence of a real and useable effect. Almost the only way in which it could be wrong is for the Corneys to have doctored their data and many here have virtually claimed that they and independent Czech researchers have done so. I am not allowed to give my comment on this. In contrast, the opponents of the BPW effect produce a string of non arguments and no contradictory data. People professing a knowledge of scientific method claim that it is up to the Courtneys' to do more work to prove their case although the scientific method is that it is up to others to repeat the experiments or invent experiments to falsify the Courtney's hypothesis. These people claim that a sound hypothesis or theory should be able to stand up to attack. So it should but the attack should come from experimental evidence and not from verbal argument and character assasination. It should make no difference whether Dr. Courtney is really a 105 year old Nazi death camp Doctor in disguise. His work stands or falls on its scientific base and is independent of the scientist who created it.

It is now far too late and I am going to bed.

English
Man, Eng... I always enjoy reading your posts!
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Old 02-12-2010, 21:06   #373
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KenB22,
A good post but you are looking for secondary characterisers to qualify primary quality. My youngest son has a First Class degree in Physics from one of the World's top 5 institutions but he is dyslexic and does not write at all well. Not too bad but definitely not well! This has not been helped by the fact that the UK educational system specialises at an earlier age than the US system and so the last 6 years of his education have been almost essay free.

I believe that the only way you can judge content is by following the explanation and comparing it to your own base knowledge. The difficulty then is in deciding what amongst the things you know is knowledge and what is authorative sounding clap trap that you have accepted from someone else without sufficient questioning or fundamental knowledge to question.

Certainly there are linguistic clues, but they still depend on base knowledge. One example is the use of the term "hydrostatic" to describe a hydrodynamic phenomenon, but in science it is the experimental result that is king and not the precision of the language used to describe it. The Romans produced a hard, durable, mortar some 2,000 years before we had the knowledge of chemistry to understand it. If you read Gearge Sorros's book on investment it is inpenetratable English but you can't argue with his results.

We are not a jury trying to judge the quality of a witness but people trying to make sense of a large category of wounding phenomena or people trying hard to pretend that the phenomena do not really exist by applying labels like "psychological factors" to it which do not fit the data. The Courtneys' work goes part way to explaining the anomalous data by providing a correlation between the peak pressure of a ballistic pressure wave and the probability of rapid collapse. They show a clear monotonic increase of effect with increase of pressure. They did not profess to have determined the mechanism involved and, as Swede1945 said a few pages back, it could have been one of three things. But it did have to have an effect directly on the brain! Since then a study at a Czech institute has shown the presence of characteristic minor brain trauma from remote gunshot wounds. This is not correlated to type of cartridge or rapidity of collapse but does show damage from remote wounding.

So far this seems to be a convincing tale of the probable existence of a real and useable effect. Almost the only way in which it could be wrong is for the Corneys to have doctored their data and many here have virtually claimed that they and independent Czech researchers have done so. I am not allowed to give my comment on this. In contrast, the opponents of the BPW effect produce a string of non arguments and no contradictory data. People professing a knowledge of scientific method claim that it is up to the Courtneys' to do more work to prove their case although the scientific method is that it is up to others to repeat the experiments or invent experiments to falsify the Courtney's hypothesis. These people claim that a sound hypothesis or theory should be able to stand up to attack. So it should but the attack should come from experimental evidence and not from verbal argument and character assasination. It should make no difference whether Dr. Courtney is really a 105 year old Nazi death camp Doctor in disguise. His work stands or falls on its scientific base and is independent of the scientist who created it.

It is now far too late and I am going to bed.

English

Personally, my issue is this:

Dr. Courtney's work suggests that a light, fast, violently fragmenting or expanding JHP is the way to go.

The Courtneys take the position that the more, faster, harder, etc. with kinetic energy transfer, the better--and I agree.

The problem arises when you step out into the real world.

You cannot have a 9mm/.45/357SIG, whatever, that violently fragments/expands and still penetrates 12" through a variety of barriers. It just doesn't work that way.

So what you have now, is a decision to make: Do you want to cause a TBI (assuming you can, which, every study shown shows that even if this IS possible, it is FAR from assured, even with high-powered rifles), or do you want to ensure 12" of penetration in your target?

I think we can all agree that if a bullet could violently expand and fragment and all that and still penetrate 12" after various barriers, that THAT is the round we would want. However, since we can't have that (yet, anyways), we are forced to choose.

C&C would champion the fragmenting or violently expanding bullet.

I would propose that this is a poor decision.

TBI is iffy, even if we accept that it is real. However, there is nothing "iffy" about the fact that numerous people have been killed because they used ammunition that would not penetrate deep enough to kill their assailant.

Officer Coates, FBI Miami shootout, a local cop in dallas using 55gr BST's trying to shoot a perp in a car, the list goes on and on and on.

Therefor, while I think the 357SIG's extra energy on soft tissue is certainly a good thing (how could it not be?), I don't think that one should use 115gr Corbon's, or that one should state that the 357SIG is "far superior" to a 147gr 9mm that expands properly.

*With regards to damage of microvascular structures due to remote injury, if the retinal structures, and other various delicate vessels in the body are not damaged, I do not feel that the brain is at much risk with regard to any immediate effect. Kindof like worrying about blowing up the transmission in a corvette when doing a burn-out on a set of spare tires. When I start hearing about blindness and occular hemmhoraging due to GSW's to other parts of the body, then I will give this phenomina more thought.

Last edited by N/Apower; 02-12-2010 at 21:11..
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Old 02-12-2010, 21:32   #374
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My .355" dia. hole puncher is better than your .355" hole puncher.
70fps is the difference between a poodle shooter and Thors Hammer!
Don't you people know how ridiculous this argument is?

If you spent as much time training as you do typing... I guarantee your "stopping power" percentages would improve exponentially.
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Old 02-12-2010, 22:25   #375
N/Apower
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Originally Posted by NMGlocker View Post
My .355" dia. hole puncher is better than your .355" hole puncher.
70fps is the difference between a poodle shooter and Thors Hammer!
Don't you people know how ridiculous this argument is?

If you spent as much time training as you do typing... I guarantee your "stopping power" percentages would improve exponentially.
More like 150fps, and while I agree with you, I would also remind you that 50fps is all most +P loads gain over non+P loads, yet they seem to be ALL the rage.
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