Geeking out with Ackley - Graybeard Outdoors
 
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post #1 of 3 (permalink) Old 04-18-2017, 01:37 PM Thread Starter
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Default Geeking out with Ackley

Fred Zeglin delves deeper into the old argument about bolt thrust. Could be helpful to those wondering about their 152's in 30-30 or 22 Hornet.

https://gundigest.com/gear-ammo/ammu...th-bolt-thrust
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post #2 of 3 (permalink) Old 04-19-2017, 04:45 AM
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I remember reading about Ackley's experiments, where he didn't even need to have the bolt locked on a rifle with full power loads, using near cylindrical bottle neck cases (minimal taper)

I can't access the link, I'll have to read it at home.

ETA: was able to read it on my phone

some questions stuck in my head... they never did find the yield strength of the brass.

Also, this proves that in a properly HS'd Handi, running 30-30AI pressures up to the same as 308Win is not a concern at all.


this puts to rest comments here and elsewhere that 30-30 brass is thin and weak, and makes moot the suggestion to use 375Win brass for higher pressure loads


Now, time to turn my 30-30AI into a 300WinMag!

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Last edited by nanuk-o-dah-nort; 04-19-2017 at 05:12 AM.
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post #3 of 3 (permalink) Old 04-19-2017, 05:00 PM Thread Starter
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Quote:
Originally Posted by nanuk-o-dah-nort View Post
...
this puts to rest comments here and elsewhere that 30-30 brass is thin and weak...
Absolutely. In todays world of just in time manufacturing, it's hard to imagine anyone maintaining a separate thin and thick line of 30-30 family blanks.

I never could understand why Cerberus held on to the two separate receivers. Just make them all steel. I remember when the auto makers unilaterally decided that all cars here in Texas were part of the Gulf Coast package, and you couldn't NOT buy air conditioning.
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