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[/quote]That statement was made in the context of a thread titled "Smallest Caliber Projectiles That Could Pass IWBA/FBI Testing?" It was not a general statement applicable to all projectiles. It...

Thank you. That is exactly the type of answer I was expecting.

Where did you come up with the idea that I believed that larger caliber projectiles are always heavier than smaller caliber...

Given well designed bullets at identical velocities I believe we can say that a 90gr 7.62mm projectile would perform poorly compared to 200+gr projectiles and 200+gr .355" projectiles would...

My apologies. I see that I did not specify my question nearly as well as I thought I did and left things far more open ended than intended. I'm just thinking conventional mass producable bullets,...

Given current design and manufacturing capabilities any guesses or actual studies as to the smallest projectiles that could be produced to meet standards? If so what are the limiting factors? I'm...

You declared cut shells to be stupid but only tested cut birdshot shells. I assume that cut buckshot shells would also act like buckshot once it hits a target. Could a cut buckshot shell offer...

I have a copy of Psychology of Everyday Things which is the original 1988 version. It is definitely a worthwhile book since it teaches "how" to think about items such as the Serpa. I was not aware...

http://i.imgur.com/xqCL2uW.gif

The pistol is a slingshot as the slide goes forward. We can use the same recoil energy calculator just with a powder charge of zero (because it is spring powered.) ...

Springs store energy instead of dissipating it.* Take a pistol with the slide back and depress the slide release. You will feel a push in your hand then the jerk of the slide slamming home. So the...

What else besides the shooter is there to absorb the recoil energy? Aerodynamic drag, for example, is going to be trivial.

Mr. Haggard was not shot thousands times. He received the recoil of the firearm thousands of times. If we are to calculate the energy involved then it would be more appropriate to measure the...

Very true. I'll retract that. I've seen slo-mo video of underwater shots showing mild flashes, but that was rather extreme and created smoke.

Sonoluminescence

I don't have a well-defined goal. I don't even know enough to formulate one. I'm just interested in being more educated about the subject.

I skimmed through a little bit of it and the first...

"Wound Ballistics: Basics and Applications" by Kneubuehl, Coupland, Rothschild, and Thali.

Is this worthwhile for the layman? Any critiques I should be aware of?

They offer an "INS Protocol" Shotgun Starter Pack which is Programmed For INS Protocol: 9"-15" Penetration. I have not heard of this standard before. Does anyone have any details?

I looked at their website critically, which I hadn't done before. The only concrete statements I could find about the relationship to real ballistic gel were variations on the following:

One...