Bill Calfee
Gun Fool
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CYA friends:
There's so much going on right now here at CYA, that we don't have enough separate forums to keep thread topics from being piled on top of one another.
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Anyway, friend Deveng's 3/32" rod spearment, and amazing pictures, have confirmed not only the "stopped muzzle", but something I wrote in Precision Shooting Magazine back in 2005'.
When I developed the first muzzle device almost 30 years ago, I had no sophisticated testing equipment to check my progress with, as a matter of fact, I didn't have any unsophisticated testing equipment either.......I had no testing equipment, period.
So I had to check my progress, and my final results, by using the laws of physics to tell me where I was at.
As an example, I couldn't see the parallel node in the vibrations of a gun barrel, but I could hear it.
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Anyway, in an article about barrel vibrations, and muzzle devices, I wrote for Precision Shooting Magazine back in 2005', I described how the muzzle device itself, when the muzzle was stopped, vibrated in place of the part cycle vibrations at the muzzle of a naked barrel.
Please look again at this amazing picture of Deveng's........see how his muzzle device is vibrating, with the end of the 3/32" rod stopped..
Now, here's a page from my PS article from 2005'.
I've underlined, in red, some sentences......
CYA friends, even though I had no sophisticated testing equipment, I knew the MD itself vibrated, when the muzzle was stopped, in place of the part cycle vibrations at the muzzle of a naked barrel.
Just as friend Deveng's amazing picture demonstrates.
Here's the cover of the March, 2005' PS Magazine.
I still have a comment about this amazing photograph of Graham's.
Which I'll do later.....
Your friend, Bill Calfee
CYA friends:
There's so much going on right now here at CYA, that we don't have enough separate forums to keep thread topics from being piled on top of one another.
_______________________
Anyway, friend Deveng's 3/32" rod spearment, and amazing pictures, have confirmed not only the "stopped muzzle", but something I wrote in Precision Shooting Magazine back in 2005'.
When I developed the first muzzle device almost 30 years ago, I had no sophisticated testing equipment to check my progress with, as a matter of fact, I didn't have any unsophisticated testing equipment either.......I had no testing equipment, period.
So I had to check my progress, and my final results, by using the laws of physics to tell me where I was at.
As an example, I couldn't see the parallel node in the vibrations of a gun barrel, but I could hear it.
______________________
Anyway, in an article about barrel vibrations, and muzzle devices, I wrote for Precision Shooting Magazine back in 2005', I described how the muzzle device itself, when the muzzle was stopped, vibrated in place of the part cycle vibrations at the muzzle of a naked barrel.
Please look again at this amazing picture of Deveng's........see how his muzzle device is vibrating, with the end of the 3/32" rod stopped..
Now, here's a page from my PS article from 2005'.
I've underlined, in red, some sentences......
CYA friends, even though I had no sophisticated testing equipment, I knew the MD itself vibrated, when the muzzle was stopped, in place of the part cycle vibrations at the muzzle of a naked barrel.
Just as friend Deveng's amazing picture demonstrates.
Here's the cover of the March, 2005' PS Magazine.
I still have a comment about this amazing photograph of Graham's.
Which I'll do later.....
Your friend, Bill Calfee
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