                                                                                                                               ----- (Muzzle) ------
' Exterior Ballistic Data for British Centerfire Rifle Cartridges                                                               Penetration     Force
'                                                                                                                               ------------    -----
'                                Case   Bullet  Powder           Velocity (ft./sec.)      Energy (ft./lb.)        Drop (in.)^   Iron    Wood    Water
'                                length  weight  weight         ----------------------  ----------------------  --------------  ----    ----    -----
'     Cartridge                 inches  (grs.)  (grs.)          Muzzle  100 yd. 200 yd. Muzzle  100 yd. 200 yd. 100 yd. 200 yd. Inch    Inch     Lb
'------------------------       ------- ------  ---------       --------------------------------------------------------------- ----    ----    -----
' *297/230 (Morris) Short        9/16    37L     1 3/4 RN        875     720              63      43            15.0            .043     3.6     122   .228
' *297/230 (Morris) Long          3/4    37L     2 3/4 CN       1200     920     760     120      70      48    15.0    71.0    .068     5.8     230   .228 
'*p240 H&H Apex Flanged         2 1/2   100CP   38 1/2 NC       2800    2570    2355    1740    1470    1230     2.3    10.0    .480    49.7    1396   .243
'  240 Belted Rimless           2 1/2   100CP   40 l/2 NC       2900    2665    2445    1870    1580    1330     2.2     9.2    .506    52.4    1498   .243
' *242 Rimless Nitro Exp.       2 3/8   100CP   42 NC           3000    2740    2490    1970    1635    1355     2.0     8.6    .533    55.2    1603   .236
'  244 H&H Magnum (Belted       2 3/4   100CP                   3500    3230    2970    2725    2320    1980     1.6     5.1    .671    69.5    2182   .243
'  297/250 Rook Rifle           13/16    56L     3 CN           1150     940     805     165     110      80    15.5    70.0    .079     6.9     249   .250-.256
'  256 (6.5mm) Mannlicher       2 1/8   160SN   36 NC           2350    2045    1765    1960    1490    1110     3.4    15.5    .492    55.1    1092
'  6.5mm Mann.-Schon.           2 1/8   160SN   36 NC           2300    2000    1725    1880    1420    1060     3.6    16.0    .456    49.8    1120
'  275 H&H Magnum (Belted)      2 1/2   160CP   52 NC           2700    2505    2320    2600    2230    1920     2.5    10.5    .542    56.8    1724   .283-.287
'  275 High Velocity (7mm)      2 1/4   140CP   48 NC           2900    2705    2515    2620    2280    1970     2.2     9.0    .546    55.3    1989
'  276 (7mm) Mauser             2 1/4   173SN   38 NC           2300    2015    1765    2040    1560    1200     3.9    16.0    .452    48.2    1251   .280
' p7mm H&H Magnum Flanged       2 1/2   140CP                   2650    2450            2184    1867                            .477    48.3    1661
' *280 Flanged Nitro Exp.       2 5/8   140CP   52 NC           2800    2570    2355    2440    2060    1730     2.3    10.0    .518    52.4    1854
' *280 Flanged Nitro Exp.       2 5/8   160HP   52 NC           2600    2300    2020    2400    1880    1450     2.8    12.0    .512    53.6    1598
'  280 Ross Rimless Nitro       2 5/8   140CP   54 NC           2900    2665    2445    2620    2210    1860     2.2     9.0    .546    55.3    1989   .286-.287
'  280 Ross Rimless Nitro               160HP   54 NC           2700    2395    2110    2600    2040    1580     2.6    11.5    .542    56.8    1724   .287
' *280 Jeffery Rimless          2 1/2   140CP   57 NC           3000    2870    2735    2800    2555    2390     2.1    10.0    .574    58.2    2128   .288
'  300 (.295) Rook Rifle        1 1/8    80L     4 1/2 CN       1100     915     785     215     150     110    16.5    75.0    .078     6.6     318   .300 .291
'  300 Sherwood                 1 1/2   140L     8 1/2 CN       1400    1195    1060    610     445     350      9.9    44.0    .171    16.7     514   .300
'  300 H&H Magnum Belted        2 3/4   150SN   58 C            3000    2660    2350    3000    2360    1835     2.2     9.8    .532    50.8    2609   .308
'   or (30 Super Magnum)                180SN   55 C            2750    2430    2130    3020    2360    1815     2.8    12.5    .536    53.5    2192
'   or (30 Super Magnum)                220SN   49 C            2300    2045    1810    2115    1675    1305     3.9    17.0    .476    50.1    1533
' p30 Super Flanged H&H         2 3/4   150SN   55 C            2875    2581            2755    2225                            .499    47.7    2396
' p30 Super Flanged H&H                 180SN   50 C            2575    2309            2653    2131                            .485    48.5    1922
' p30 Super Flanged H&H                 220SN   46 C            2250    2045            2475    2045                            .461    48.4    1467
' *30 Purdey Flanged Nitro       2 3/8  150SN                   2700    2385    2090    2430    1900    1460     2.6    11.5    .455    43.4    2113
'  303 British (Mark 6)         2 1/4   215S    31 C            2050    1855    1670    2010    1650    1330     4.4    19.0    .394    41.2    1218   .311   
'  303 British (Mark 7)         2 1/4   174S    37 C            2450    2250    2055    2320    1960    1640     3.0    13.0    .439    43.5    1740
'  303 British                  2 1/4   150CP   38 C            2700    2465    2240    2440    2030    1680     2.5    11.0    .455    43.4    2113
'  303 British                  2 1/4   174SN   41 NC           2450    2195    1955    2315    1870    1480     3.1    13.5    .439    43.5    1740
'  303 British                  2 1/4   215SN   31 C            2050    1790    1555    2010    1530    1160     4.6    20.0    .394    41.2    1218   .311
'  310 Cadet                    1 1/8   120L     6 CN           1200    1010     890     385     270     210    14.0    62.0    .114    10.3     417   .316
'  318 Rimless Nitro Exp.       2 3/8   180CP   55 NC           2700    2395    2110    2920    2300    1780     2.6    11.5    .505    49.5    2223   .330
'  318 Rimless Nitro Exp.               250SN   52 NC           2400    2040    1715    3200    2320    1640     3.3    15.0    .541    57.6    1757
'  333 Rimless Nitro Exp.       2 3/8   300SN   65 NC           2200    1950    1720    3230    2540    1980     3.9    17.0    .514    55.3    1619   .333
' *400/350 Nitro Exp.           2 3/4   310SN   43 NC           2000    1795    1610    2760    2220    1790     4.7    20.0    .429    44.9    1478   .357
'  350 Rigby Magnum Rimless     2 3/4   225SN   65 NC           2625    2307            3440    26S7                            .507    49.0    2546   .367
'  350 No. 2 Rigby Flanged      2 3/4   225SN                   2600                    3400                                    .500    48.3    2498   .358
' *360 Nitro Exp. Flanged       2 1/4   300SN   30 C            1650    1490    1355    1820    1480    1210     6.9    29.0    .303    30.8    1064   .357
' *360 Nitro for Black Powd.    2 1/4   190CT   22 C            1650    1285    1070    1150     700     485     7.6    36.0    .215    19.5    1064
' o400/360 Purdey Flanged       2 3/4   300SN   40 C            1950    1776            2537    2102                            .389    39.5    1486   .367
' o400/360 Westley Richards     2 3/4   314SN   41 C            1900    1724            2520    2072                            .387    39.8    1411   .367
' o360 No. 2 Nitro Exp.         3       320SN   55 C            2200    1999            3442    2845                            .490    50.5    1892
' *369 Purdey Nitro Exp.        2 5/8   270SN   64 1/2 NC       2500    2135    1800    3760    2740    1950     3.1    14.0    .504    48.9    2581   .375
'  375 Flanged Nitro Exp.       2 1/2   270SN   40 C            2000    1735    1405    2400    1810    1190     4.9    22.0    .355    34.0    1697   .375
' o375 Rimless W.R. Nitro       2 1/4   270SN   43 C            2100    1870            2640    2100                            .382    36.6    1870 
'  375 Flanged Magnum Nitro     2 7/8   270SN   59 C            2600    2280    1980    4060    3120    2360     2.8    12.5    .526    50.5    2867
'  375 Flanged Magnum Nitro             300SN   56 C            2400    2105    1825    3850    2960    2220     3.3    14.5    .505    49.7    2443
'  375 Belted H&H Magnum        2 7/8   235CP   62 C            2800    2495    2215    4100    3260    2560     2.4    10.5    .530    49.1    3325   .375
'  375 Belted H&H Magnum                270SN   61 C            2650    2325    2020    4220    3250    2450     2.9    12.0    .541    51.9    2978
'  375 Belted H&H Magnum                300SN   58 C            2500    2200    1915    4170    3230    2450     3.0    13.5    .537    52.9    2651
'  450/400 Nitro Exp.           3       400SN   60 C            2100    1845    1610    3920    3030    2310     4.3    19.0    .467    46.7    2171
'  450/400 Magnum Nitro Exp.    3 1/4   400SN   60 C            2150    1890    1650    4110    3180    2420     4.1    18.0    .484    48.4    2275
'  404 Jeffery Rimless          2 7/8   400SN   60 C            2125    1885    1670    4020    3160    2480     4.2    18.0    .476    47.6    2223   .423
' p416 Rigby Magnum             2 7/8   410SN   71 C            2371    2110            5100                                    .551    54.2    2934   .416
' p425 Westley Richards         2 5/8   410SN                   2350                    5010                                    .537    52.5    2938   .435
'  450 Nitro-Exp.               3 1/4   480SN   70 C            2150    1900    1665    4930    3860    2960     4.1    18.0    .478    45.8    2886 
' *500/450 Magnum Nitro Exp.    3 1/4   480SN   75 C            2175    1987            5050    4220                            .487    46.6    2954
' *450 No. 2 Nitro Exp.         3 1/2   480SN   80 C            2175    1904            5050    3900                            .487    46.6    2954
' o450 Black Powder Exp.        3 1/4   310L   120 81k          1800    1510            2240    1570                            .264    22.7    2023
' o450 Nitro for B.P. Exp.      3 1/4   365CT   52 C            2100    1809            3578    2655                            .376    33.6    2754
'  577/450 Martini-Henry        2 1/4   480L    38 1/2 C        1350    1210    1110    1950    1560    1320    10.0    44.0    .238    22.8    1138   .455
'  577/450 Martini-Henry B.P.   2 1/4   480L    85 BIk          1350    1210    1110    1950    1560    1320    10.0    44.0    .238    22.8    1138   .453
'  465 H&H Nitro Exp.           3 1/4   480SN   73 C            2150    1830    1620    4930    3580    2800     4.1    18.5    .459    42.9    3080   .468
'  470 Nitro Exp.               3 1/4   500SN   75 C            2150    1890    1650    5140    3980    3030     4.1    18.0    .467    43.8    3146   .475
' *475 Nitro Exp.               3 1/4   480SN   75 C            2175    2000    1830    5040    4260    3580     4.2    18.0    .461    42.8    3219   .476
' r475 No. 2 Nitro Exp.         3 1/2   480SN   85 C            2200    1925    1680    5170    3960    3020     3.9    17.0    .469    43.5    3294   .483
' *475 No. 2 Jeffery            3 l/2   500SN   85 C            2150    1880    1635    5140    3930    2970     4.1    18.0    .467    43.8    3146
' *476 Nitro Exp.               3       520SN   75 C            2100    1925    1760    5085    4295    3585     4.6    20.0    .465    44.0    3001   .476
'  500 Nitro Exp.               3       570SN   80 C            2150    1890    1650    5850    4530    3450     4.1    18.0    .478    44.2    3555   .510
' *500 Nitro for B.P. Exp.      3       440CT   55 C            1900    1570    1290    3530    2410    1630     5.5    25.0    .327    28.3    2777
' o500 Black Powder Exp.        3       340CT  136 BIk          1925    1585            2800    1900                            .275    22.3    2850
' p500 Jeffery Rimless                  535SN   95 C            2400                    6800                                    .537    48.9    4430   .510
' p505 Gibbs Rimless Magnum             525SN   90 C            2300                    6180                                    .497    45.0    4069   .505
'  577 Solid Snider             1 7/8   480L    70 BIk          1250    1055     940    1670    1190     940    13.0    57.0    .158    12.6    1569   .559
' r577 Nitro Exp.               3       750SN  100 C            2050    1795    1570    7010    5380    4110     4.5    20.0    .462    41.4    4220   .585
' o600 Nitro Exp.               3       900S   110 C            1950    1650    1390    7600    5450    3870     5.1    23.0    .468    42.7    4129   .620
'----------------------------------------------------------------------------------------------------------------------------------------------------
'
' BP or Blk - Black Powder
'         C - Cordite
'       NC - Nitro-Cellulose
'        CN - Cadet Neonite
'        RN - Revolver Neonite
'     
'        SN - Soft Nose
'        CP - Copper Point
'        CT - Copper Tube
'         L - Lead
'        HP - Hollow Point
'         S - Solid (Jacketed)
'
'         ^ - Drop is computed from horizontal line of departure for the bullet.
'         * - Available while stocks last; will then become obsolete.
'         o - Obsolete; no longer available.
'         r - Re-introduced and again available
'         p - Proprietary Cartridge; available only from specific maker.
'
'
' Gun Digest, 1962, page 331
'

 REM PENETRATION AND FORCE CALCULATED FOR SOLID JACKETED ROUND NOSE BULLETS.

   REM ORIGINAL FORMULAS
   REM M IN GRAM, V IN M/S, C IN CM, P IN CM
   REM ITALIAN WOOD PENETRATION FROM WWW.STUDIONET.IT, MORI
   REM P = .03 * ((M * V ^ 1.5) / C ^ 2)
   REM KRUPP IRON PENETRATION FROM WWW.STUDIONET.IT, MORI
   REM E = M * (V ^ 2) / 19620
   REM P = .194 * (E ^ 3 / C ^ 5) ^ .25
   
   REM VEL IN FPS, WGT IN GRAIN, DIA IN INCH, PEN IN INCH
   REM KRUPP IRON
   REM EQUIV TO EN^.75=VEL^1.5*WGT/GRAV
   REM KRUPP IRON EQUIV = (VEL^1.5*WGT^.75/(7000*GRAVITY))/ DIA^1.25/250 [OK]
      
 DIA = .505
 VEL = 1900
 WGT = 440
      
 GRAVITY = 32.17405
 EN = VEL ^ 2 * WGT / (7000 * GRAVITY * 2)
 IRONPEN = .000304 * (EN ^ .75 / DIA ^ 1.25)
   REM ITALIAN PINE WOOD
 MOM15 = VEL ^ 1.5 * WGT / (7000 * GRAVITY)
 WOODPEN = .044643 * (MOM15 / DIA ^ 2)
   REM DC = FF * .55: REM OK IN AIR, WATER TRY 50% +- FF=1 GIVES CD=.55
   REM WADCUTTER .83 Cd, MUSHROOMED .7 Cd, RND NOSE .57 Cd, CONE .52 Cd
 P = 1.9402723437#
 PI = 3.141592654#
 DC = .57
 FORCE = .5 * DC * ((PI * (DIA / 2) ^ 2) / 144) * P * VEL ^ 2
 PRINT
 PRINT "IRON PEN    ="; INT(IRONPEN * 1000 + .5) / 1000; "INCH"
 PRINT "WOOD PEN    ="; INT(WOODPEN * 10 + .5) / 10; "INCH"
 PRINT "WATER FORCE ="; INT(FORCE + .5); "POUNDS IN WATER"

