ballistics computations

Bezoar

Moderator
Here is the thing,

by recoil, the 44 special and 4 colt and 44 magnum put out the recoil.

beartooth website calculators put up some interesting data on recoil and cartridge performance.

Ironically using 44 ounce revolvers. So yes smaller revolvers will toss more on recoil but in theory it holds through.


so if a 165 grain cast bullet in a 357 magnum that recoils less then a 45 colt does using a 250 grain bullet at the same measured muzzle velocity and creating roughly the same wound channel,

why should i get the harder to feed 45 colt, and hold onto caliber as well?

Ignoring ENERGY, a 38 special can create the same wound channel at the same 10-1100 fps.
 
In otherwise identical guns, the .357 magnum will recoil more quickly than a slower, heavier bullet with more energy and momentum. In other words, the momentum in the recoil of the .44 spl is spread out over a longer period of time. This is called "impulse."

In classical mechanics, impulse (symbolized by J or Imp[1]) is the change in linear momentum of a body. It may be defined or calculated as the product of the average force multiplied by the time over which the force is exerted.
http://en.wikipedia.org/wiki/Impulse_(physics)
 
Yes.
Recoil measurements can mean absolutely nothing in the real world.
The real test for recoil is how it affects the shooter, and their ability to get off multiple and accurate shots.
A high velocity .357 will probably be harder to do that for most folks.
As a test, after a local match, a few of us compared two 1911s - a 38 super and a 45acp, both with similar major power factor rounds.
Both were stock, or limited class, guns.
The consensus was that the .45 was more controllable and faster for multiple shots, as measured with a timer.
Not hugely so, as the participants were accomplished shootists, but enough to prove a point.
 
Last edited:
g.willikers: said:
Recoil measurements can mean absolutely nothing in the real world.
The real test for recoil is how it affects the shooter, and their ability to get off multiple and accurate shots.

I agree. While it's certainly possible to calculate total free recoil velocity and energy of such a system, how it is delivered and perceived by the hand that is contact with the firearm at the moment it is delivered is what cannot be determined except through direct experience.
 
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