War of the Rebellion: Serial 046 Page 0031 Chapter XL. GENERAL REPORTS.

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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