[14] Stone Mortars should not be fired at a greater distance than 250 yards.
Medium Ranges with Land Service Iron Mortars, at 45 Degrees, 1798.
| 13 Inch. | 10 Inch. | 8 Inch. | 5¹⁄₂ Inch, Brass. | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ch’ge. | Flig’t. | Range. | Ch’ge. | Flig’t. | Range. | Ch’ge. | Flig’t. | Range. | Ch’ge. | Flig’t. | Range. | ||||||||
| lbs. | oz. | Sec. | Yds. | lb. | oz. | Sec. | Yds. | lbs. | oz. | Sec. | Yds. | oz. | dr. | Sec. | Yds. | ||||
| — | 14 | 6 | ¹⁄₂ | 245 | — | 8 | 6 | ¹⁄₂ | 235 | — | 5 | 6 | 225 | 1 | 8 | 5 | ¹⁄₂ | 155 | |
| 1 | — | 7 | - | 318 | — | 10 | 8 | 358 | — | 6 | 7 | ¹⁄₂ | 328 | 1 | 12 | 6 | 198 | ||
| 1 | 4 | 8 | - | 412 | — | 12 | 9 | 464 | — | 7 | 8 | 428 | 2 | — | 6 | - | 255 | ||
| 1 | 8 | 9 | - | 523 | — | 14 | 10 | 534 | — | 8 | 9 | - | 474 | 2 | 4 | 7 | - | 316 | |
| 1 | 12 | 10 | - | 613 | 1 | — | 10 | - | 638 | — | 9 | 10 | 560 | 2 | 8 | 8 | 380 | ||
| 2 | — | 11 | 697 | 1 | 2 | 11 | - | 749 | — | 10 | 11 | 664 | 2 | 12 | 8 | - | 426 | ||
| 2 | 4 | 12 | - | 840 | 1 | 4 | 13 | 873 | — | 11 | 12 | 762 | 3 | — | 9 | - | 470 | ||
| 2 | 8 | 13 | 906 | 1 | 6 | 13 | - | 956 | — | 12 | 12 | - | 801 | 3 | 4 | 10 | 540 | ||
| 2 | 12 | 14 | 1054 | 1 | 8 | 14 | 1028 | — | 13 | 13 | - | 859 | 3 | 8 | 10 | - | 590 | ||
| 3 | — | 15 | 1132 | 1 | 10 | 15 | 1123 | — | 14 | 14 | 960 | 3 | 12 | 11 | 630 | ||||
| 3 | 4 | 16 | 1244 | 1 | 12 | 15 | 1226 | — | 15 | 14 | - | 1011 | 4 | — | 11 | - | 725 | ||
| 3 | 8 | 16 | - | 1317 | 1 | 14 | 16 | 1325 | 1 | 0 | 14 | - | 1119 | 4 | 4 | 12 | 746 | ||
| 3 | 12 | 17 | 1424 | 2 | — | 16 | - | 1357 | 1 | 1 | 15 | 1156 | 4 | 8 | 12 | - | 800 | ||
| 4 | — | 17 | 1490 | 2 | 2 | 17 | 1480 | 1 | 2 | 16 | 1262 | 4 | 12 | 13 | - | 910 | |||
| 4 | 4 | 17 | - | 1580 | 2 | 4 | 17 | - | 1532 | 1 | 3 | 16 | - | 1320 | 5 | — | 13 | - | 935 |
| 4 | 8 | 18 | - | 1656 | 2 | 6 | 17 | - | 1571 | 1 | 4 | 17 | 1380 | 5 | 4 | 14 | 1016 | ||
| 4 | 12 | 19 | 1744 | 2 | 8 | 18 | - | 1700 | 1 | 5 | 17 | - | 1446 | 5 | 8 | — | — | ||
| 5 | — | 19 | - | 1824 | 2 | 10 | 19 | 1780 | 1 | 6 | 18 | 1530 | 5 | 12 | — | — | |||
| 5 | 4 | 19 | - | 1900 | 2 | 12 | 19 | - | 1825 | 1 | 7 | 18 | - | 1600 | 6 | — | 15 | 1175 | |
| 5 | 8 | 20 | 1950 | 2 | 14 | 20 | 1880 | 1 | 8 | 19 | 1660 | ||||||||
| 5 | 12 | 20 | - | 2062 | 3 | — | 20 | 1916 | 1 | 9 | 19 | - | 1720 | ||||||
| 6 | — | 21 | 2095 | 4 | — | 25 | 2485 | ||||||||||||
| 7 | — | 24 | 2510 | 4 | 8 | 26 | 2536 | ||||||||||||
| 8 | — | 25 | 2706 | ||||||||||||||||
Medium Ranges with Brass Mortars, at 45 Degrees. 1780.
| 13 Inch.[15] | 10 Inch. | 8 Inch. | ||||||
|---|---|---|---|---|---|---|---|---|
| Ch’ge. | Range. | Ch’ge. | Range. | Ch’ge. | Range. | |||
| lb. | oz. | Y’ds. | lb. | oz. | Y’ds. | oz. | dr. | Y’ds. |
| 2 | 12 | 862 | 1 | 10 | 823 | 10 | 8 | 580 |
| 2 | 14 | 939 | 1 | 11 | 852 | 11 | — | 635 |
| 3 | — | 998 | 1 | 12 | 783 | 11 | 8 | 711 |
| 3 | 2 | 1003 | 1 | 13 | 758 | 12 | — | 708 |
| 3 | 4 | 1090 | 1 | 14 | 823 | 12 | 8 | 701 |
| 3 | 6 | 1139 | 1 | 15 | 888 | 13 | — | 777 |
| 3 | 8 | 1165 | 2 | — | 892 | 13 | 8 | 825 |
| 3 | 10 | 1209 | 2 | 1 | 940 | 14 | — | 870 |
| 3 | 12 | 1270 | 2 | 2 | 941 | 14 | 8 | 853 |
| 3 | 14 | 1322 | 2 | 3 | 1041 | 15 | — | 860 |
| 4 | — | 1309 | 2 | 4 | 1128 | 15 | 8 | 899 |
| 4 | 2 | 1331 | 2 | 5 | 1103 | 16 | — | 921 |
| 4 | 4 | 1391 | 2 | 6 | 1221 | 16 | 8 | 987 |
| 4 | 6 | 1363 | 2 | 7 | 1258 | 17 | — | 987 |
| 4 | 8 | 1324 | 2 | 8 | 1215 | 17 | 8 | 1062 |
[15] For the Ranges with the 5¹⁄₂ inch Brass, see the [Iron Mortars].
Ranges with a 5¹⁄₂ Inch Brass Mortar, at 15 Degrees.
| Charge. | Flight. | First Graze. | Rolled to. | ||
|---|---|---|---|---|---|
| oz. | dr. | Sec. | Yards. | Yards. | |
| 2 | 8 | 3 | 209 | 303 | |
| 3 | — | 3 | ¹⁄₂ | 256 | 330 |
| 3 | 8 | 4 | 375 | 443 | |
| 4 | — | 4 | - | 457 | 501 |
| 4 | 8 | 5 | 530 | 600 | |
| 5 | — | 5 | - | 561 | 627 |
| 5 | 8 | 6 | - | 667 | 715 |
| 6 | — | 7 | 709 | 780 | |
Medium Ranges with Land Service Iron Mortars, at 10 Degrees Elevation....Powder in Cartridges.
| 10 Inch. | 8 Inch. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Flight. | Charge. | First Graze. | Extreme Range. | Flight. | Charge. | First Graze. | Extreme Range. | ||||
| Sec. | lb. | oz. | Yds. | Yds. | Sec. | lb. | oz. | Yds. | Yds. | ||
| 3 | — | 12 | 198 | 415 | 3 | — | 8 | 202 | 403 | ||
| 3 | ¹⁄₂ | 1 | — | 278 | 458 | 3 | — | 10 | 266 | 461 | |
| 4 | 1 | 4 | 366 | 564 | 3 | ¹⁄₄ | — | 12 | 351 | 614 | |
| 4 | ¹⁄₂ | 1 | 8 | 451 | 685 | 4 | — | 14 | 413 | 630 | |
| 4 | 1 | 12 | 432 | 686 | 4 | ³⁄₄ | 1 | — | 468 | 754 | |
| 4 | ³⁄₄ | 2 | — | 559 | 938 | 5 | 1 | 2 | 562 | 811 | |
| 5 | 2 | 4 | 602 | 798 | 6 | 1 | 4 | 664 | 950 | ||
| 4 | ³⁄₄ | 2 | 8 | 597 | 976 | 6 | ¹⁄₂ | 1 | 6 | 700 | 1028 |
| 5 | 2 | 12 | 664 | 1121 | 6 | 1 | 8 | 768 | 1064 | ||
| 5 | ¹⁄₄ | 3 | — | 764 | 1169 | ||||||