1895ss wrote: | ||||
Well excuse me fellows .................... !! I didn't realize that this had been discussed, cause I haven't been here that much for quit some time. I also didn't know one needed permission to post here!!! No need to wonder why some people have left and why some don't come around more often! |
hunterjoe21 wrote: |
Since we know that velocity is a function of pressure, the round with the higher pressure (all other variables being equal) will produce more velocity, regardless of the amount of powder being burned. |
hunterjoe21 wrote: |
To suggest that the engineers at Speer would download the .30-06 JUST to give the .308 an advantage is ludicrous at best. If you had bothered to check, you would KNOW that, as per SAAMI specs, the .308 does in fact enjoy a 2000 psi maximum over the .30-06 (62,000 vs 60,000). |
PaulS wrote: |
The bulk of that force is contained by the brass being held against the chamber by the pressure. |
Dimitri wrote: |
Still you can have a action that can withstand a 120,000 PSI loading but long before that point the brass case starts to "fail" instead. Such as when a over load locks up the rifles bolt its caused by the brass not being able to shrink back to size. Which is the max pressure the brass can handle but the gun by only locking the bolt is still in its own safe zone for pressure. Dimitri |
PaulS wrote: |
We are saying the same thing, I believe, in different words. |
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