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How important is bc?

 
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  #50  
Old 02-03-2010, 06:52 PM
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Re: How important is bc?

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Originally Posted by Mikecr View Post
Rich, have you observed any specific RBBT influences to BC and Sg?
I don't have a std. boat tail die so I don't have anything to compare apples to apples. Everything I make is RBT and they are accurate at all distances. It WOULD be an interesting comparison. Maybe I'll turn some SMK's into RBT's and compare the two against each other!!.......Rich
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  #51  
Old 02-03-2010, 07:21 PM
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Re: How important is bc?

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Originally Posted by elkaholic View Post
Maybe I'll turn some SMK's into RBT's and compare the two against each other!!.......Rich

Good idea!
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  #52  
Old 02-03-2010, 10:22 PM
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Re: How important is bc?

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Originally Posted by elkaholic View Post
IMO the rebated boat tails are the way to go. I make my own in .308 and they perform very well at 100 yards as well as 1000. Having said that, I've also had Bergers , A-Max and SMK shoot near one holers at 100 yards as well so go figure. The idea with the rebate is to insure uniform gas pressure as the bullet leaves the barrel. A normal boat tail has a greater chance of being unequal (unless the bevel is perfect) Apparently many of the normal boat tail manufactures are near perfect....Rich
Nice! you must have checked Corbon out. Are you making any bullets heavier ( better BC ) than the 240 SMK? It sure would be interesting to see a 300 RUM in about 7 twist with a 295 grain high BC projectile!! For a little more money the same set up in a 30-378 ....
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  #53  
Old 02-04-2010, 07:45 PM
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Re: How important is bc?

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Originally Posted by Movin View Post
Nice! you must have checked Corbon out. Are you making any bullets heavier ( better BC ) than the 240 SMK? It sure would be interesting to see a 300 RUM in about 7 twist with a 295 grain high BC projectile!! For a little more money the same set up in a 30-378 ....
Believe me, I've had an awful lot of interest. If I could only figure out a way to make it worthwhile I would do it in a heartbeat! I could probably make up to about 260 in .308. That WOULD be a thumper in an ultra at about 2900' ....Rich
p.s. with a brass ballistic tip the B.C would be off the charts
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  #54  
Old 02-04-2010, 11:41 PM
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Re: How important is bc?

A brass ballistic tip on a VLD should open at low velocity, high BC starting at 2900 out of a fairly light hunting set up...wow!! Long, long action to build off of...Money and time, we need money and time!!
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  #55  
Old 02-05-2010, 01:19 AM
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Re: How important is bc?

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Originally Posted by movin View Post
a brass ballistic tip on a vld should open at low velocity, high bc starting at 2900 out of a fairly light hunting set up...wow!! Long, long action to build off of...money and time, we need money and time!!
yes we do!!:d
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