Questions about the irrelevance of energy (ft-lbs)

[FredH]

Love it, page 34 and we’ve added bra size/eq ratio for evaluating women as a yet another subjective to subjective comparison.

Certainly there’s no problem.

That just might be the most important revelation of this thread!

 

[TaperPin]

A deep chest makes the cup size look a notch larger and more high performance. This appears to be proof enough for me. No offense to the minimalists who insist on itty bitty ones going as slow as possible.

 

[doc holiday13]

Since energy is a calculation based on mass and velocity why is it not relevant? Obviously all you need is 556 foot pounds of energy and a 77 grain bullet that flies apart inside of 12 inches of penetration. Again obviously this is more effective than a 150 grain bullet going 1800 fps that creates a 3 inch wide wound channel for 10 inches and gets 26" of penetration with an expanded diameter of .580. That is what 1090 foot pounds of energy looks like with a controlled expanding bullet from a 30-30.

If we were to overlay your example on the graph i put in my Wallop thread this would make sense. KE is great but if there is not sufficient transfer of KE of the bullet into the target vitals, the chance of lethality goes down.

Also if your KE is transferred immediately your bullet will 'splash' on target and only maim the quarry. Hence why bullet construction is so important. Again if you look at the graph posted you'll notice that both ideal bullet and non ideal bullet are not making contact at 0 engergies. They have to hit with enough energies to penetrate, but if the energies expended over distance is not a steep parabolic like curve, the wound channel won't be big enough

Right now i'm currently debating which bullet is best because I'm not a fan of additional lead in my dinner. I've had great success with ELDM and ELDX in 7mm flavor. I've shot 1 deer with and ELDM and 1 with ELDX, both were full pass thru with golf ball exits. The ELDM was a 110 yard shot with a 45ish yard run The ELDX was a 204 yard shot but it was a BangFlop A friend of mine shoots a lot of Bergers, and shoots more animals than I do. He is all in on smaller calibers, but prefers a "bang flop" like anyone else. His opinion on Bergers has fallen. I've told him that he should move to ELDX or ELDM but he's probably just gonna move to a 6.5 caliber

 

[FredH]

If we were to overlay your example on the graph i put in my Wallop thread this would make sense. KE is great but if there is not sufficient transfer of KE of the bullet into the target vitals, the chance of lethality goes down.

Also if your KE is transferred immediately your bullet will 'splash' on target and only maim the quarry. Hence why bullet construction is so important. Again if you look at the graph posted you'll notice that both ideal bullet and non ideal bullet are not making contact at 0 engergies. They have to hit with enough energies to penetrate, but if the energies expended over distance is not a steep parabolic like curve, the wound channel won't be big enough

Right now i'm currently debating which bullet is best because I'm not a fan of additional lead in my dinner. I've had great success with ELDM and ELDX in 7mm flavor. I've shot 1 deer with and ELDM and 1 with ELDX, both were full pass thru with golf ball exits. The ELDM was a 110 yard shot with a 45ish yard run The ELDX was a 204 yard shot but it was a BangFlop A friend of mine shoots a lot of Bergers, and shoots more animals than I do. He is all in on smaller calibers, but prefers a "bang flop" like anyone else. His opinion on Bergers has fallen. I've told him that he should move to ELDX or ELDM but he's probably just gonna move to a 6.5 caliber

My next experiment is going to be a 110 grain CX designed for the Blackout going 3150 fps from a 308. Gives me everything, large fragments moderately good penetration. A bang flop happens often with average cup and core bullets going average velocities. It happens pretty often with bullets starting out at more than 3000 fps. And it happens with fragmenting bullets at various speeds also. I don't really care if an animal runs 50 yards before it drops, it is nice when the heart is still pumping blood while doing so and remains edible.

 

[Bluefish]

Imho this is why energy is not a good indicator of performance (aka irrelevant), all three bullets do the same work on the animal, but starting energy is different. In the end it’s a function of the bullet, not energy.