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Re: John Pondoro Taylor' KO effect VS SD x Velocity
      07/10/08 12:54 PM

Quote:

Is there any formula that takes in rotational force ? this seems like free energy as the spin keeps going as velocity drops off !




Sarg:

Sciuchetti's impressive testing documented in HANDLOADER No.193/June-July 1998 pretty much closes the door on rotational force as having any noticeable effect on terminal ballistics.

By the way, if you want to see the effects of kinetic energy just watch the progression of effects on bullets as velocity increases on his chart.

JPK's expounding is pretty much on target as with NON-deforming bullets, speed makes the projectile penetrate farther, ditto FMJ handgun rounds.

It is interesting to read all this. JPK is interested in FMJ's on elephants. I have no experience on elephants but I do have some experience with FMJ's in pistols on butcher stock {some dozens}. It is interesting that slower FMJ's produce less trauma than do faster FMJ's. And faster FMJ's, even of smaller caliber, sometimes produce more trauma surrounding the bullet hole/path than do larger bullets. Interesting. Regardless, at typical service pistol speeds, all pistol FMJ's lack decisive "stopping power", whatever that is, unless CNS is hit and then they all look pretty good.

A .243 at such and such ft-lbs energy kills elk less well than does a .340 Wby at higher ft-lbs. In this case, ft-lbs is a "good" indicator of killing power.

Ft-lb's fails many times in other examples.

All this chat does is highlight that NO mathematical formula is a perfect predictor of killing power. Some are better indicators under certain circumstances, but fail under others.

Best to shoot game. Second best to compare in a testing medium/media.

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Entire topic
Subject Posted by Posted on
* John Pondoro Taylor' KO effect VS SD x Velocity larcher 01/10/08 08:00 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity Kalunga   01/10/08 11:50 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity peter   02/10/08 02:43 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity 450_366   03/10/08 05:44 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity JPK   04/10/08 12:24 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity 450_366   04/10/08 05:53 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity hoppdoc   04/10/08 08:38 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity Tatume   04/10/08 11:01 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity 9.3x57   05/10/08 12:28 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity 450_366   05/10/08 01:39 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity 9.3x57   05/10/08 03:43 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity 450_366   05/10/08 04:20 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity 9.3x57   05/10/08 07:04 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity 450_366   05/10/08 07:02 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity hoppdoc   06/10/08 12:04 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity Tatume   06/10/08 12:39 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity hoppdoc   06/10/08 12:48 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity hoppdoc   06/10/08 01:13 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity 9.3x57   06/10/08 02:13 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity Ripp   06/10/08 09:54 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity DarylS   06/10/08 11:06 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity ALAN_MCKENZIE   06/10/08 01:28 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity JPK   06/10/08 02:09 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity shakari   06/10/08 11:17 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity DarylS   07/10/08 01:02 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity JabaliHunter   07/10/08 05:56 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity JPK   07/10/08 11:52 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity JPK   07/10/08 12:05 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity hoppdoc   07/10/08 03:59 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity 9.3x57   08/10/08 01:34 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity Sarg   07/10/08 12:44 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity 9.3x57   07/10/08 12:54 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity Tatume   07/10/08 02:51 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity shakari   07/10/08 01:41 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity hoppdoc   06/10/08 11:03 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity Tatume   06/10/08 03:45 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity Tatume   06/10/08 04:43 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity DarylS   06/10/08 05:16 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity hoppdoc   06/10/08 06:01 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity DarylS   05/10/08 11:22 PM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity JPK   05/10/08 09:39 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity Tatume   05/10/08 01:38 AM
. * * Re: John Pondoro Taylor' KO effect VS SD x Velocity 9.3x57   05/10/08 03:36 AM

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