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Radial barrel fluting

 
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  #8  
Old 10-08-2002, 07:16 PM
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Re: Radial barrel fluting

Mr. Harris,

Can you post a couple of pictures for us? You may just be the inspiration I need to make that long drive up to Phoenix when the weather cools down [img]images/icons/smile.gif[/img]
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  #9  
Old 10-08-2002, 11:25 PM
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Re: Radial barrel fluting

I don't know if it works or not, but I don't want something that looks like a giant drill bit hanging off the end of my action.

Jim
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  #10  
Old 10-08-2002, 11:49 PM
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Re: Radial barrel fluting

Jim,

Perhaps you are confusing helical fluting, like E.R. Shaw advertises, w/ the radial fluting, from Harris Gunworks?

While I think it looks O.K., that's just based off of seeing a few pictures here and there, mostly B&W, and from a distance. Might change my mind if I were to handle one in person. Maybe not.

To each their own,

Monte
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  #11  
Old 10-09-2002, 06:00 AM
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Re: Radial barrel fluting

Milanuk,

I know one looks like a drill bit and the other looks like a bunch of rings glued together. I saw the article in Accurate Rifle, and it had the one that looks like a bunch of rings.

As you say, to each his own.

Darryl, Steve Shelp, Dave, et al.,

How many of these "different" fluting patterns have you seen at 1000 yard comps?

Like I've always said, it's your gun, build what you want, these are just my opinions.

Jim
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  #12  
Old 10-09-2002, 07:41 AM
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Re: Radial barrel fluting

To simply answer your question..... none. Some LG class rifles used fluting, but it's the std fluting used to save weight only.

Even in HG class to where you fire normally 5-8 sigthers then 10 rds for your record string in 30-45 secs, barrels don't get that hot externally that quickly for me to warrant the expense of this type of fluting. The only time I've ever had barrel heat trouble in competition was in 2000 during the NBRSA championship match to where you fire 3 relays back-to-back with the same gun. My 338 has 2" Lilja barrel on it and it was hot then. Had a rig to pour ice water down the barrel and had ice cold towels wrapped around the outside of it. That still wasn't enough. So special fluting does increase your surface area and it does cool quicker, but does it cool quickly enough during the practical application in which the rifle is used..... I'm not sold on that a this point in time.

In regard to harmonics.... The biggest thing long barrels have to overcome upon firing (and this is based on tests done and monitored on an oscilliscope(spelling?)) is the sagging moment and getting rid of the up/down whiping of the barrel. This circular fluting only weakens the barrel in this aspect and compounds the problem. But I would be curious to see the harmonic patterns produced by this barrel though. As an engineer I never rule anything out without hard data to go by. And I'm only going by first thoughts and common sense right now. And we all know bubble bees can't fly also.

Steve
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  #13  
Old 10-09-2002, 08:27 AM
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Re: Radial barrel fluting

Steve,

Thanks for the very good reply. I agree with all of your statements. I like the "look" of standard fluting, but as a practical appliction in regards to accuracy, I think the myriad of flutings available is hyperbole. I don't want to be disrespectful, but in my opinion it's just another way for various barrel manufacturers to "stand-out" among the the others available as a different marketing scheme. Just build an exceptional barrel at a fair price and you'll have more business than you know what to do with.

Again, these are just my opinions.

Jim
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  #14  
Old 10-15-2002, 02:59 AM
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Re: Radial barrel fluting

The fluting remindes me of older machine gun barrels.(I also think they got it on 20mm and 40mm guns in WW II} I would think they would work better than regular fluting because they used them in machine guns where you fire alot more rounds. For rapid cooling of rifle barrels I noticed that JP Enterprise makes a heat sink finned aluminum block for AR-15 barrels. I recall reading their ad, that it cools faster than a fluted barrel and is lighter. Does anybody have experience with it? I was thinking of trying that radial fluted barrel for my AR-15 when my Krueger barrel is worn out.
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