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combine the time shot with the score and the power factor of the cartridge (Power factor being bullet weight x bullet diameter x velocity).

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Crap formula. Velocity always will be the most important factor in this formula. Smaller calibre, lighter bullet but a very high velocity always wins out.

Also at some point better shooting is always so much more important.

If I brain shoot an elephant,buffalo, lion, etc with a .318 WR 250 gr FMJ, is it inferior to a .500 NE chest shot?

But it is easier to shoot.

A good reason to have calibre cartridges in a competition in groups and minimums as well.

Easier to shoot a 7x57 on paper targets than a .450 NE. But the "opposite" on real dangerous game for most people and circumstances.

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John aka NitroX

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Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

Edited by NitroX (03/07/23 01:53 AM)

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I agree on the velocity's "Importance" given for the FPE formula,

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Imo for thick skinned game, velocity is the least important factor. Bullet weight, calibre and construction far more important.

Tried some examples ....


.308 X 150grs X 3500fps = 161,700

.510 X 570grs X 2000fps = 581,400


OK maybe the velocity in the formula isn't asdramatically skewed as I first thought. After trying some examples.

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John aka NitroX

...
Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

Edited by NitroX (03/07/23 01:26 AM)

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At our Vic BGRC range we now have a second range divided by a massive concrete wall which has been called the dangerous Game range on account of the types of events held on it. It is in a natural setting with slightly sloping ground, plenty of trees and a creek bed half way along. We shoot targets in a similar vein to the BASA shoot in South Africa where the targets are actual pictures of animals in either full size or somewhat smaller depending on the the animal depicted. These include warthogs, buffalo, elephant, hippo and crocks etc. A scoring ring or two are placed over the brain or heart and lung and they are about 2 1/2" inches in diameter and drawn with a texta. A score within is five points and we have a second 1" ring around that ring which is 2 points. Maximum scope power is 3x and at the distances we shoot the ring cannot be seen so you have to know where to shoot. We start gun empty with hands on the stock, the timer is started and one has to load two rounds, fire and then reload another two and fire, then the timer is stopped. We first shoot one round over a chronograph (Before the event is started) and then combine the time shot with the score and the power factor of the cartridge (Power factor being bullet weight x bullet diameter x velocity). This is done to promote the use of bigger cartridges and guns, it is after all a dangerous game shoot. This is by far the most popular event and is great fun, very exciting.

We are in the process of adding additional targets such as rotating and springing targets as well as a charge box. Some of these events will include running from one station to another before shooting but the main crux of all the events is a fast time and reloading to try and simulate pressure.

Is it the same as a real life situation, no. But apart from being great fun it definitely 100% helps getting your brain to work without having to think and muscle memory.

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That sounds like great fun and excellent practice.

The only thing missing is if the charging target is not shot with at least one 10, your score should be zero. As you are probably dead.

Adds some tension and stress and a reason why a double barrelled rifle excels. Real emergency use not paper scores.

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John aka NitroX

...
Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

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I had hoped that this video would have first been seen on a show with some editing unfortunately it some how got leaked and looks like it’s gone viral so thought I may as well post it .

A very close call indeed . What I find amazing is the arm chair hunters / critics full of advice many of whom probably have never shot a buff let alone a wounded charging buff . Some facts

1 /Clients first shot was excellent you can see the exit behind the shoulder - the buff happened to charge on first impact
2/ Deans first shot was 1 inch high second shot exited
3/ Dean had the incredible presence of mind to focus on loading his double and not taking his eyes off his gun while the buff bore down on him- he managed to load and shoot off the hip dropping it at his feet with a shot in the neck
4/ had he focused on the buff for a second it would have been a disaster
5/ There certainly are no shortage of clowns out there that think they could do better - well done Dean and the client on getting out safely and a beautiful buff !

www.cmsafaris.com

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John aka NitroX

...
Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

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I agree on the velocity's "Importance" given for the FPE formula,

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Imo for thick skinned game, velocity is the least important factor. Bullet weight, calibre and construction far more important.

Tried some examples ....


.308 X 150grs X 3500fps = 161,700

.510 X 570grs X 2000fps = 581,400


OK maybe the velocity in the formula isn't as dramatically skewed as I first thought. After trying some examples.

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I stand by my statement that the Velocity is VITALLY important for the FPE formula as I said.
That formula was used to show an advantage for high velocity ctgs. compared to lower velocity rounds of the same diameter - ie: WTBY's. We ALL know that bullet weight, construction and diameter are just as, if not more important than velocity.
The FPE formula is not a good one for 'showing' killing power. We also all (I would hope) know that to be true.
A .22-250 with a 40gr. HP bullet produces the same FPE as a .45/70 BP round with 500gr. bullet. I know which one I would rather have for moose and bear shooting. There are so many such comparisons one could make.

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Daryl


"a gun without hammers is like a Spaniel without ears" King George V

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