Archived from groups: rec.games.frp.gurps (
More info?)
Rupert Boleyn wrote:
> On 3 Sep 2005 19:43:37 -0700, "copeab@yahoo.com" <copeab@yahoo.com>
> carved upon a tablet of ether:
>
> > Rupert Boleyn wrote:
> > > On Fri, 2 Sep 2005 21:09:31 -0500, "B.J. McNail"
> > > <bjmcnail@centurytel.net> carved upon a tablet of ether:
> > >
> > > ACP can manage. Mostly it's likely to have been somebody deciding
> > > "Peacemakers are cool" - compare the M1 Garand's damage to that of the
> > > Mosin-Nagant or any 7.92mm Mauser for another example (fixed in 4e).
> >
> > M-1 Garand: 150 grain bullet, 2805 fps, energy 2344 ft/lbs
> > M1891/30 Mosin-Nagant: 148 grain bullet, 2660 fps, energy 2326 ft/lbs
> > Carbine 98k: 198 grain bullet, 2476 fps, energy 2696 ft/lbs
> >
> > (bullet weight and muzzle velocityfrom _Small Arms of the World_, Smith
> > & Smith, 1973; energy calculated with formula from _The Firearms
> > Dictionary, Steindler, 1970)
>
> What's the formula you used? The standard one is [bullet weight in
> grains]/7000 x 0.5 / 32.2 x [muzzle velocity]^2. This gives you stats:
E = (W * V^2)/450,240
This is mathematically the same as the formula you list.
> .30-06: 2618 ft-lb
I did some dyslexic typing when I was figuring the square of velocity
-- 2805 x 2508
> 7.62x54mmR: 2323 ft-lb
Rounding.
> 7.9x57mm: 2693 ft-lb
Rounding.
<snip>
My only other source (The Encyclopedia of Weapons of WWII, Bishop,
Barnes & Noble, 1998) lists the same muzzle velocities as my other
source (with the 98K being 1 fps higher).
> Either way, the M1 does not rate 7d+1 when the other rounds are only
> granted 7d.
My numbers indicate a 6d+2 or 7d-1 for the M-1 and M1891/30 and 7d+1
for the 98K.
(Avg Dam = Sqrt(Energy)/2)
Brandon