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Jeff Siewert

๐Ÿ‘ค Speaker
1310 total appearances

Appearances Over Time

Podcast Appearances

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

primer cup grips the cartridge case pocket, you can have, you can have signs of quote unquote pressure signs on the primer cup that may or may not be real.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

Yep.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

Yep, seen those enough times.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

Okay.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

All right.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

Any more questions here?

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

Okay, let's move on.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

So, yeah.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

If you happen to come across cartridge case with these little dimples up near the base of the shoulder, these are signatures on the cartridge case from a conformal, what's called a conformal pressure transducer.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

And these cartridges were fired in a test fixture specifically to measure pressure.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

So, you know, if you go look at the information on the conformal

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

conformal transducers.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

Basically, they're designed to match both the taper of the cartridge case and the curvature of the cartridge case in the circumferential direction.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

And it leaves this little, it's, I don't believe it's even a thou proud bulge as a result of the case contacting the face of that transducer.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

So folks see that, that this is what they're dealing with.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

Yeah, I'm going from memory here, so don't quote me.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

But I believe the Sammy specs say that it's a certain distance back from the shoulder break.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

Right.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

The CIP has theirs.

Firearms Radio Network (All Shows)
Reloading Podcast 565 โ€“ Jeff from Bulletology

Yeah.