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Okay was reading in the Brian Litz book. I saw no mention of a PRM Threshold. He said this pertaining to what I believe you meant to read: Now for the important question: Is there any practical consequence to a faster or slower twist? I can think of a couple things here. The first one has to do with the structural integrity of the bullets. Itís believed by many shooters that high twist rates combined with high muzzle velocities are responsible for bullets breaking apart in flight. Many other factors play into the bullet failure problem like roughness and length of the bore, sharpness of the riflings, etc. It seems that people with the most bullet failure problems are shooting small bullets at high speeds, thru fast twist barrels. The second consequence of high twist rate has to do with accuracy ëpotentialí. Some major factors affecting dispersion are related to the spin rate of the bullet. Jacket eccentricity and in-bore yaw are two examples. These types of dispersion are directly related to the RPM of the bullets, which increases with twist rate and velocity. Twist and velocity are two things you need a lot of to be competitive with smaller calibers, and can exacerbate certain types of dispersion. Keep in mind these are only ëpotentialí consequences of excessive twist. Many shooters do very good shooting long, small caliber bullets at high velocity without having bullet failure problems, and with amazing accuracy. However, itís something to consider. Not knocking the man what so ever, but the crucial word he wrote is "potential". The "potential" to affect accuracy. The definition of potential is: 1. Capable of being but not yet in existence; latent: a potential problem. 2. Having possibility, capability, or power. 3. Grammar Of, relating to, or being a verbal construction with auxiliaries such as may or can; for example, it may snow. n. 1. The inherent ability or capacity for growth, development, or coming into being. 2. Something possessing the capacity for growth or development. 3. Grammar A potential verb form. 4. Physics The work required to move a unit of positive charge, a magnetic pole, or an amount of mass from a reference point to a designated point in a static electric, magnetic, or gravitational field; potential energy. In my book that is strike one. I'll get to the other books later. | |||
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And so the theory proceeds from a presumption about yaw and balance. Gear | |||
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The biggie is you stuck your FOOT in your mouth say (and quoting you) "So no you are not going to find the title, RPM threshold because I made that title up for use on the CBF." Hey all you CB forum members that are following that, see the truth has come out. Gibson admits he made that up for use on CBF. | |||
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Note the titles........ its about long range jacketed bullet flight (bigger stuff also). You might be surprised where the effects are also. The effects are well known in match long range rifle, but few people in cast bullet shooting see them until they get nearer the transonic range.. | |||
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I still can't get over you made it up. What else have you made up? You haven't a clue as to what I can understand or what schooling I've had. I sure wasn't a grunt in the Navy. I sure wouldn't show my face on CBF after admitting that. Hell there goes your Golden Bullet Award. | |||
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Isn't that an admittance that you are a big liar? You said numerous times you weren't the one that came up with that term. | |||
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Just what I said you'd say.......no surprise to anyone......... In my book that is strike one. So what makes your book correct or an authority? What's the title and who authored it? I still can't get over you made it up. So how's that joe? The3 titles listed were made up by their authors. What's so wrong with me naing a title for something. Go back and research the thread you quote me from claiming I said "limit" and tell us who ask who to "name" it? Also in that thread you'll find I gave credit to whomever came up with it as I 1st read about problems RPM causes with cast bullet accuracy in several magazine articles. I never said I didn't come up with the "term" I said I never came up withthe theory or concept. Feeling stupid again joe.......you should be because you've just proven it again..... Yah know I just listened to Kerry's speach at the DNC.....the way he was twisting lies and making stuff up I though perhaps you were his speach writer? Larry Gibson | |||
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All babble from the great dummy. You made up the rpm threshold, limit, and any other crap you came up with. Who made you the expert. That's what you perceived reading those book. That first one by Lopez said fast spin had the "potential". Didn't say for sure it would. You're a know it all and better then anyone else. You're ever smarter then college educated PHD's in the field we're talking about. Yup you deserved the Golden Bullet award, I'm glad you got it. By the way the "I can't believe you made it up" doesn't apply to the titles of those books, but about your phoney incorrect title of "rpm threshold". | |||
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Wait, I was wrong joe......you wrote Bidens speech? Larry Gibson | |||
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Oh that's okay Gibby. Just keep up your personal attacks. They add up you know. By the way Ken got a copy of your post admitting you made up the rpm threshold BS. I'm trying to get him to give you a Platinum Bullet Award. And you're right, you've always been wrong. Glad you admit that too. | |||
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Dear Abby, I have a major problem that is eating on me. I started dating this beautiful woman. She is very well built and we get along great. She has a great personality. She seems to care deeply for me. On top of all the other great attributes, she is a great cook. Now the problem. I recently learned she can't shoot cast bullets at high velocity. What should I do? I think I'll just have to dump her as that is a trait that just can't be overlooked. | |||
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Is her name Larry Gibson??? | |||
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Yeah Gibby, give out some more advice on CBF about shooting that 308 cast bullet accurately at long distance out of the AR 10. Who else was helping you on that thread, oh yeah, that old washed up old fart, what's his name he was banned, ah, yeah yeah Onceafool. You should get in on that 308 silhouette bullet mould buy from Miha. Ah second thought you and Onceafool both together couldn't shoot your way out of a big paper bag. Heard you were voting Democrat this year? | |||
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That's fine, Ken is intelligent, you are not. Anyone, other than you, 45 2.1 and youroffspring (gear) can well understand I made up the title "RPM threshold" to a theory that was already there. Once again you've twisted and misconscrewed the meaning to be something it is not. Pretty stupid shot you're taking here, just like the stupid shot your offspring, gear, took yesterday on the CBF. BTW; the laws of ballistics apply to all bullets in flight, jacketed and cast. There is no difference. You obviously got lost in the other 2 references I gave or probably haven't bothered reading them because they don't agree your own stupid ideas and concepts...... Larry Gibson | |||
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Why joe, I'm surprised at your attitude! I did after all suggest the OP come over here and consult the bobsie twins on how to get 2" accuracy at 350 yards with an AR10 in .308W. It's not my fault if everyone who read that post thinks you two are BSing with your bodacious accuracy claims.......now is it No joe, I wouldn't vote democrat. You have to leave the party then and where would you go.......who would listen....... Larry Gibson | |||
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Gibby, No one believes your dribble anymore. What you are doing is digging yourself a deeper hole. Your statements are so outrageous that even a child wouldn't believe them. An example would be you telling everyone that I'm an alien, an offspring of the ones that landed in Roswell because that is the equivalent of things you are saying. My my, why would you want me to sent my 96 Swede out to you if I'm so stupid as you say. Wouldn't be afraid the rifle would blow up? I know the reason though. You hold me in a high esteem as compared to your kindergarden level of reloading cast. Fact: you can't do it. Funny how that eats away at you. | |||
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Viewers, just to show you what a liar Gibson is and once again how he sticks his foot in his mouth read this. Remember he's blasting mine and 45 2.1's factual claim of the shooting done with 45 2.1's silhouette 30 caliber bullet not only here but also over on CBF. It's all BS like he is because he's going to buy the mould on the group buy. Here's his post on CBF: Boolit Master Join Date: Jul 2005 Location: University Place, WA Posts: 9,142 Quote: Originally Posted by 45 2.1 View Post madsenshooter gave a link to a very accurate boolit. With that boolit in AR 10s we have been able to get the results Larry stated. With various loads involving Surplus 867, velocities have been anywhere from 2050 to 2500 fps with MOA or less accuracy, some better than others. Any discussion of how we do that would be by PM only due to the drama some posters on this site introduce. An excellent design, if it fits it should indeed shoot well. I've also requested one. Larry Gibson | |||
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An ittsy bittsy small minded cast shooter went up the Castboolit's forum spout. Along came SmokinJ and 45 2.1 to wash Larry Gibson and his BS out. Oh he tried and tried again even wove a rpm threshold fable. It was to no avail as SmokinJ and 45 2.1 proved over and over their cast shooting skills were very able. Oh Larry lied and lied, called them names, and made a personal attack. It was useless for Larry, nothing could make up for the intelligence and cast bullet shooting skills that he did lack. Oh he eventually made it back up that CBF water spout. He still has his bravito, BS, tells all his lies and he still does shout. One thing has changed though, about his cast abilities and that is everyone are in doubt. | |||
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Joe Sounds like the speaches you wrote for Kerry and Biden........don't quit your day job to be a wrtier BTW Hey, I just got a PM that said; SmokinJ the SanFrancisco Treat What does that mean joe? Larry Gibson | |||
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Joe Seriously, wouldn't you rather get on with your discusion of HV cast bullet shooting than continue with this BS? Why don't you just do that and give us all a rest? Larry Gibson | |||
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Larry why do you bother arguing with these simple minded dumbass lying assholes. Just let them talk to themselves and eventually they'll dry up and blow away. | |||
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Larry your rpm threshold is the BS. So wouldn't you like to get on to some helpful information rather then spreading your BS? Oh, forgot, you don't know any. | |||
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Larry isn't that the same kind of thing that you and your cohorts started in that Hard Gas Check thread that DRG locked out on account of? Interesting too how you, or your cohorts, always go that route when you're getting your butts whooped. | |||
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Now that's sure the pot calling the kettle black. Have you read any of your own post on that thread or this one? You've made another stupid anolgy joe. Larry Gibson Perhaps, since the sole purpose of this thread is to trash me, that DRG should lock this thread up also. If he could he could delete it entirely as it has served no good purpose to anyone except you, 45 2.1 and gear simply to vent....... | |||
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It serves the purpose of you admitting you made up what you attributed to someone else. Several of use have it saved........ for proof of what you finally admitted. | |||
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Larry, seems to me you and Pat I are the ones trashing, making personal attacks (esp Pat I), and disrupting the thread because you can't have your way. Your theory is wrong and I have debated that. You on the other hand haven't. You trashed me by name calling, referring me to particular politicians, repeatedly saying I'm stupid, and referring to something about the San Francisco statement...basically calling me gay. I'll be speaking to DRG about the two of you. | |||
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While you're snitching to the teacher you should ask him if in keeping up with Boolits Golden Boolit Award he'd consider starting one here for you and your dimwitted numerical buddy called the Bronze Bullshit Award. Only be the two of you as recipients but believe you me you're both more than deserving. | |||
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Probably goodthat you did save it, I saved it too. You must be helping joe with his twisted speech writing if you think anythings there. Let's review it. "Originally posted by SmokinJ: Your posts don't bother me. Everyone knows me and bob are right. I will knock down that BS threshold of yours at every corner. As usual no name of the man that you got the BS threshold rpm from nor the book. There isn't one is there Gibby? You made this all up because it's Gibby's football and if he can't be quarterback we aren't playing." Posted by Larry Gibson; No, I didn't make it up. I have mentioned that numerous times in the past. Read and study ballistics joe, you then see what is really happening with bullets in flight (you really got to get out of the barrel sometime). So no you are not going to find the title, RPM threshold because I made that title up for use on the CBF. All I've "admitted to" is making up the title. The facts of the RPM threshold arestill valid regardless of what it's called. So go ahead and post that anywhere you like. All it does is make you and joe look stupid as you obviously have a reading and learning deficit. Larry Gibson | |||
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Gee, for a moment there I thought you got laryngitis as your puppet Pat I was doing all your talking and thinking. | |||
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Pat Good to see you on board. These two dimwitted buddies certainly should be the 1st recipients of that award. Yup, they both are just like spoiled little brats running to the teacher (Ken at CBF) to snitch off the bad boys". Pretty pathetic. So do you think 2" groups at 350 yards would win any CBA matches since you a lot of experience at CBA? Boy these guys could be famous as world champs, eh? Larry Gibson | |||
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These two bullshit artists wouldn't be allowed to police up the range at a CBA match. I still think you should heed my advice and just ignore them. They're dumb as hell and too stupid to realize it. | |||
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Since you two (that would be Larry Gibson and Pat I.) have such good diction and spotless manners, the others posting here in this thread have awarded you the "Prime Troll badge"....... one for each of you. More can be given if such conduct as you both have displayed continues. | |||
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And now a word from our sponsor: Stay tuned "As The World Turns" will be right back and we will hear some exciting words from Victor Newman. | |||
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Larry and Pat, excuse me for not replying right away as I am mowing and it'd very hot and humid out so I post inbetween my breaks. I don't want you to thing that I'm ignoring you. Larry, I honestly thought in that Clint Eastwood movie where he uses that line "you're a legend in your own mind" was really directed at you! Pat, I honestly can't understand how you are regional director for the CBA (especially with your type of public behavior) because I deem (and others) your knowledge of cast bullet shooting very insignificant. I guess Larry taught you how to load cast and shoot it. Is that correct? I believe he has said something to that effect. | |||
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Yes Pat, you are probably correct, I should just ignore these two. Notice joe uses my quote in his last post and beating his chest.......I do admit to making up the title for the RPM threshold. What his stupidity won't let him see in that sentence is that I only made up the title, not the theory. He may not see it but everyone (excepting his bobsie twin) will and they will also see joe's stupidity.......... The RPM threshold is valid, it's been proven and all the BS these two throw out isn't going to change that. Trashing me or Pat or anyone else won't change the facts either. Notice no comments on the other two works on ballistics I posted at joe's insistance; doubt if either of the bobsie twins has read either and if they did they sure didn't learn anything........They probbly lost track arguing with the book, article, the laws of pysics and the laws of ballistics.......... Larry Gibson | |||
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Which is it Gibson "I made up the threshold" "I didn't make it up" "I made up the threshold" I see you had to enlist some help to combat me. I guess wheeler and onceafool are predisposed huh? You can't stay away! | |||
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Read the sentence stupid; I made up the TITLE. I did not make up the threshold. That answers your question unless you want to further show your stupidity, lack of reading comprehension or that you can't fathom the difference (that would make you ignorant as well)............ BS from you as always. You can't make a case because you do push the RPM threshold up, just as I said it could be done, exactly according to the RPM threshold. I am right, the RPM threshold is valid and that really pisses the two of you off to no end......... Larry Gibson | |||
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You must love hearing yourself! Please call me somemore names. How about some really bad ones? You're the one that doesn't get it, you read those books wrong. Told you you'd be back. | |||
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Gibby, what happens to a politician once he said he made something up????????? | |||
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Gear, I shot those Loverins from that SAKO today. The 4831 gave me an inch group. The SuperPerformance power really opened them up. Interesting because that Performance powder has a slower burner and not so much a peaky pressure curve. I'll tweak that 4831 load and I'll throw another powder into the mix. | |||
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