31 Series I Volume XXVIII-I Serial 46 - Ft. Sumter - Ft. Wagner Part I
| Page 31 | Chapter XL. GENERAL REPORTS. |
GENERAL OBSERVATIONS, NOTES, AND QUERIES.
156. Parrott rifled guns.
There is, perhaps, no better system of rifled cannon than Parrotts; certainly none more simple in construction, more easily understood, or that can with more safety be placed in the hands of inexperienced men for use.
The enormous and constant demand under which it has been rapidly developed, particularly among the large calibers, to its present state of efficiency and excellence, gives promise of a degree of perfection that will leave little to be desired at no distant future.
157. Particulars of Parrott rifles.
Gun Diameter of Length of Weight of Caliber
bore bore gun
Inches Inches Pounds
10-pounder 2.90 70 890 3-pounder
smooth-bore
20- 3.67 79 1,750 6-pounder
pounder, smooth-bore
Army
30- 4.20 120 4,200 9-pounder
pounder, smooth-bore
Army
30-pounder 4.20 96.8 3,550 9-pounder
smooth-bore
100- 6.40 130 9,700 32-pounder
pounder smooth-bore
200- 8.00 136 16,500 8-inch
pounder smooth-bore
300- 10.00 .......... 26,000 10-inch
pounder smooth-bore
Charges and weights of projectiles.
Gun Charge Weight of projectiles
Pounds
10-pounder 1 9 3/4 to 10 1/2 pounds.
20-pounder 2 18 3/4 to 19 1/2 pounds.
30-pounder, Army 3 1/4 About 29 pounds.
30-pounder, Navy 3 1/4 Do.
100-pounder 10 80 pounds generally.
200-pounder 16 150 pounds generally.
300-pounder 25 250 pounds generally.
Ranges.
Gun Elevation Projectiles Range Time of
flight
Degrees Yards Seconds.
10-pounder 1 Case shot, 600 ..........
10 1/2
pounds
Do...... 5 Shell, 9 2,000 6 1/2
3/4 pounds
Do...... 10 ..do.... 3,200 10 3/4
Do...... 20 ..do.... 5,000 21
20-pounder 1 Case shot, 620 1 7/8
19 1/2
pounds
Do...... 5 Shell, 18 2,100 6 1/2
3/4 pounds
Do...... 10 ..do.... 3,350 11 1/2
Do...... 15 ..do.... 4,400 17 1/4
30-pounder 3 1/4 Shell, 29 1,500 4 1/2
pounds
Do...... 15 ..do.... 4,800 17 5/8
Do...... 25 ..do.... 6,700 27
100- 3 1/4 Long shell, 1,450 4 1/2
pounder 101 pounds
Do...... 15 ..do.... 4,790 18
Do...... 25 ..do.... 6,820 28
Do...... 25 Hollow 7,180 29 1/2
shot, 80
pounds
Do...... 35 ..do.... 8,453 36 3/4
| Page 31 | Chapter XL. GENERAL REPORTS. |
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