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1

Tuesday, February 28th 2012, 5:26pm

Philippine Navy - Naval Ordnance - Naval Artillery

Repository for data pertaining to the subject

2

Tuesday, February 28th 2012, 5:48pm

Skoda-Davao 320mm/50 Model 1926

Historical data

Caliber = 12.6 inch (32.0 cm)
Shell weight = 1050 lbs (476 kg)
Muzzle velocity = 2802 fps (854 m/s)
Relative ballistic performance: 0.88
Muzzle energy = 173.8 megajoules = 64043.3 foot-tons
Relative muzzle energy: 1.00
Barrel length: 50 calibers

Range @ 35° 35,700 yards; penetration - belt 6.48", deck 8.35"

Elevation -:- Range -:- Time -:- Velocity -:- Fall Angle
2.5 deg -:- 6,100 yards -:- 7.4 sec -:- 2,262 fps -:- 2.9 deg
5.0 deg -:- 10,900 yards -:- 14.2 sec -:- 1,932 fps -:- 6.4 deg
7.5 deg -:- 14,700 yards -:- 20.6 sec -:- 1,715 fps -:- 10.4 deg
10.0 deg -:- 17,900 yards -:- 26.7 sec -:- 1,567 fps -:- 14.6 deg
12.5 deg -:- 20,700 yards -:- 32.5 sec -:- 1,467 fps -:- 19.0 deg
15.0 deg -:- 23,200 yards -:- 38.1 sec -:- 1,400 fps -:- 23.4 deg
20.0 deg -:- 27,300 yards -:- 48.7 sec -:- 1,333 fps -:- 31.6 deg
25.0 deg -:- 30,800 yards -:- 58.8 sec -:- 1,322 fps -:- 38.9 deg
30.0 deg -:- 33,600 yards -:- 68.4 sec -:- 1,341 fps -:- 45.1 deg
35.0 deg -:- 35,700 yards -:- 77.6 sec -:- 1,377 fps -:- 50.4 deg
40.0 deg -:- 37,200 yards -:- 86.3 sec -:- 1,422 fps -:- 54.8 deg
45.0 deg -:- 37,900 yards -:- 94.6 sec -:- 1,470 fps -:- 58.8 deg
50.0 deg -:- 37,800 yards -:- 102.3 sec -:- 1,516 fps -:- 62.3 deg

Armor Penetration - Vertical Belt Armor (Relative armor quality, 0.88)

Maximum penetration: 30.46 inches

Elevation -:- Range -:- Belt -:- Deck
1.3 deg -:- 3,400 yards -:- 26 in -:-
2.0 deg -:- 5,100 yards -:- 24 in -:-
2.9 deg -:- 7,000 yards -:- 22 in -:-
3.6 deg -:- 8,400 yards -:- ... -:- 1 in
4.0 deg -:- 9,100 yards -:- 20 in -:-
5.3 deg -:- 11,300 yards -:- 18 in -:-
7.0 deg -:- 14,000 yards -:- 16 in -:-
7.0 deg -:- 14,100 yards -:- ... -:- 2 in
9.3 deg -:- 17,000 yards -:- 14 in -:-
11.4 deg -:- 19,500 yards -:- ... -:- 3 in
12.4 deg -:- 20,600 yards -:- 12 in -:-
16.9 deg -:- 24,900 yards -:- ... -:- 4 in
17.1 deg -:- 25,000 yards -:- 10 in -:-
20.9 deg -:- 28,000 yards -:- ... -:- 5 in
24.9 deg -:- 30,700 yards -:- ... -:- 6 in
25.1 deg -:- 30,800 yards -:- 8 in -:-
29.2 deg -:- 33,100 yards -:- ... -:- 7 in
33.6 deg -:- 35,200 yards -:- ... -:- 8 in
38.0 deg -:- 36,700 yards -:- ... -:- 9 in
39.2 deg -:- 37,000 yards -:- 6 in -:-
42.9 deg -:- 37,700 yards -:- ... -:- 10 in
47.8 deg -:- 38,000 yards -:- ... -:- 11 in

Maximum range = 38000 yards at 46.7 deg elevation

This post has been edited 1 times, last edit by "BruceDuncan" (Feb 28th 2012, 7:19pm)


3

Tuesday, February 28th 2012, 7:36pm

Skoda 305mm/55 Model 1925

Historical data

Caliber = 12.0 inch (30.5 cm)
Shell weight = 925 lbs (420 kg)
Muzzle velocity = 2956 fps (901 m/s)
Relative ballistic performance: 0.87
Muzzle energy = 170.5 megajoules = 62817.8 foot-tons
Relative muzzle energy: 1.14
Barrel length: 55 calibers

Range @ 35° 37,400 yards; penetration - belt 6.24", deck 8.38"

Elevation -:- Range -:- Time -:- Velocity -:- Fall Angle
2.5 deg -:- 6,700 yards -:- 7.7 sec -:- 2,322 fps -:- 2.9 deg
5.0 deg -:- 11,700 yards -:- 14.8 sec -:- 1,952 fps -:- 6.6 deg
7.5 deg -:- 15,700 yards -:- 21.5 sec -:- 1,715 fps -:- 10.8 deg
10.0 deg -:- 19,000 yards -:- 27.7 sec -:- 1,562 fps -:- 15.2 deg
12.5 deg -:- 21,900 yards -:- 33.7 sec -:- 1,459 fps -:- 19.7 deg
15.0 deg -:- 24,400 yards -:- 39.4 sec -:- 1,392 fps -:- 24.2 deg
20.0 deg -:- 28,600 yards -:- 50.3 sec -:- 1,328 fps -:- 32.6 deg
25.0 deg -:- 32,200 yards -:- 60.6 sec -:- 1,321 fps -:- 39.9 deg
30.0 deg -:- 35,100 yards -:- 70.5 sec -:- 1,345 fps -:- 46.2 deg
35.0 deg -:- 37,400 yards -:- 79.9 sec -:- 1,385 fps -:- 51.3 deg
40.0 deg -:- 39,000 yards -:- 88.9 sec -:- 1,433 fps -:- 55.6 deg
45.0 deg -:- 39,900 yards -:- 97.5 sec -:- 1,483 fps -:- 59.4 deg
50.0 deg -:- 39,800 yards -:- 105.5 sec -:- 1,532 fps -:- 62.8 deg

Armor Penetration - Vertical Belt Armor (Relative armor quality, 0.87)

Maximum penetration: 32.06 inches

Elevation -:- Range -:- Belt -:- Deck
1.5 deg -:- 4,300 yards -:- 26 in -:-
2.2 deg -:- 5,900 yards -:- 24 in -:-
3.0 deg -:- 7,800 yards -:- 22 in -:-
3.5 deg -:- 8,900 yards -:- ... -:- 1 in
4.0 deg -:- 9,800 yards -:- 20 in -:-
5.2 deg -:- 12,000 yards -:- 18 in -:-
6.7 deg -:- 14,500 yards -:- 16 in -:-
6.9 deg -:- 14,800 yards -:- ... -:- 2 in
8.8 deg -:- 17,400 yards -:- 14 in -:-
11.2 deg -:- 20,500 yards -:- ... -:- 3 in
11.6 deg -:- 20,900 yards -:- 12 in -:-
16.0 deg -:- 25,300 yards -:- 10 in -:-
16.7 deg -:- 25,900 yards -:- ... -:- 4 in
20.7 deg -:- 29,200 yards -:- ... -:- 5 in
23.4 deg -:- 31,100 yards -:- 8 in -:-
24.7 deg -:- 32,000 yards -:- ... -:- 6 in
29.0 deg -:- 34,500 yards -:- ... -:- 7 in
33.3 deg -:- 36,700 yards -:- ... -:- 8 in
37.2 deg -:- 38,200 yards -:- 6 in -:-
37.9 deg -:- 38,400 yards -:- ... -:- 9 in
42.7 deg -:- 39,600 yards -:- ... -:- 10 in
47.8 deg -:- 39,900 yards -:- ... -:- 11 in


Maximum range = 40000 yards at 47.1 deg elevation

4

Tuesday, February 28th 2012, 8:16pm

Skoda-Davao 210mm/55 Model 1928

Historical data

Range @ 35° 30,500 yards; penetration - belt 2.98", deck 4.78"
Altitude @ 45° 33,000 feet

Caliber = 8.27 inch (21.0 cm)
Shell weight = 300 lbs (136 kg)
Muzzle velocity = 2970 fps (905 m/s)
Relative ballistic performance: 0.90
Muzzle energy = 55.798 megajoules = 20561.5 foot-tons
Relative muzzle energy: 1.14
Barrel length: 55 calibers

Elevation -:- Range -:- Time -:- Velocity -:- Fall Angle
2.5 deg -:- 6,400 yards -:- 7.6 sec -:- 2,146 fps -:- 3.1 deg
5.0 deg -:- 10,700 yards -:- 14.5 sec -:- 1,729 fps -:- 7.2 deg
7.5 deg -:- 14,000 yards -:- 20.7 sec -:- 1,491 fps -:- 11.8 deg
10.0 deg -:- 16,700 yards -:- 26.6 sec -:- 1,340 fps -:- 16.8 deg
12.5 deg -:- 18,900 yards -:- 32.1 sec -:- 1,245 fps -:- 21.8 deg
15.0 deg -:- 20,900 yards -:- 37.4 sec -:- 1,185 fps -:- 26.7 deg
20.0 deg -:- 24,100 yards -:- 47.4 sec -:- 1,132 fps -:- 35.9 deg
25.0 deg -:- 26,800 yards -:- 56.8 sec -:- 1,130 fps -:- 43.6 deg
30.0 deg -:- 28,900 yards -:- 65.7 sec -:- 1,154 fps -:- 49.9 deg
35.0 deg -:- 30,500 yards -:- 74.2 sec -:- 1,191 fps -:- 55.0 deg
40.0 deg -:- 31,600 yards -:- 82.4 sec -:- 1,233 fps -:- 59.3 deg
45.0 deg -:- 32,100 yards -:- 90.2 sec -:- 1,276 fps -:- 62.9 deg
50.0 deg -:- 31,900 yards -:- 97.4 sec -:- 1,318 fps -:- 66.1 deg

Armor Penetration - Vertical Belt Armor (Relative armor quality, 0.90)

Maximum penetration: 21.12 inches

Elevation -:- Range -:- Belt -:- Deck
1.4 deg -:- 4,000 yards -:- 16 in -:-
2.3 deg -:- 6,000 yards -:- 14 in -:-
3.5 deg -:- 8,300 yards -:- 12 in -:-
5.2 deg -:- 11,000 yards -:- 10 in -:-
5.6 deg -:- 11,600 yards -:- ... -:- 1 in
7.8 deg -:- 14,400 yards -:- 8 in -:-
12.5 deg -:- 19,000 yards -:- 6 in -:-
14.1 deg -:- 20,200 yards -:- ... -:- 2 in
21.0 deg -:- 24,700 yards -:- ... -:- 3 in
23.2 deg -:- 25,900 yards -:- 4 in -:-
28.5 deg -:- 28,300 yards -:- ... -:- 4 in
36.9 deg -:- 31,000 yards -:- ... -:- 5 in
46.4 deg -:- 32,100 yards -:- ... -:- 6 in

Maximum range = 32100 yards at 46.2 deg elevation

This post has been edited 1 times, last edit by "BruceDuncan" (Feb 28th 2012, 8:17pm)


5

Tuesday, February 28th 2012, 8:37pm

Skoda-Davao 155mm/52 Model 1926

Historical data

Range @ 15° 17,000 yards; penetration - belt 3.17", deck 1.42"
Range @ 35° 23,600 yards; penetration - belt 1.63", deck 3.08"
Altitude @ 50° 30,800 feet

Caliber = 6.1 inch (15.5 cm)
Shell weight = 120 lbs (54 kg)
Muzzle velocity = 2866 fps (874 m/s)
Relative ballistic performance: 0.88
Muzzle energy = 20.779 megajoules = 7657.0 foot-tons
Relative muzzle energy: 1.05
Barrel length: 52 calibers

Elevation -:- Range -:- Time -:- Velocity -:- Fall Angle
2.5 deg -:- 5,600 yards -:- 7.3 sec -:- 1,916 fps -:- 3.3 deg
5.0 deg -:- 9,200 yards -:- 13.6 sec -:- 1,504 fps -:- 7.7 deg
7.5 deg -:- 11,800 yards -:- 19.3 sec -:- 1,278 fps -:- 12.7 deg
10.0 deg -:- 13,800 yards -:- 24.6 sec -:- 1,141 fps -:- 18.1 deg
12.5 deg -:- 15,500 yards -:- 29.6 sec -:- 1,056 fps -:- 23.5 deg
15.0 deg -:- 17,000 yards -:- 34.3 sec -:- 1,005 fps -:- 28.8 deg
20.0 deg -:- 19,300 yards -:- 43.2 sec -:- 961 fps -:- 38.4 deg
25.0 deg -:- 21,200 yards -:- 51.5 sec -:- 961 fps -:- 46.5 deg
30.0 deg -:- 22,600 yards -:- 59.4 sec -:- 983 fps -:- 53.0 deg
35.0 deg -:- 23,600 yards -:- 66.9 sec -:- 1,014 fps -:- 58.2 deg
40.0 deg -:- 24,200 yards -:- 74.0 sec -:- 1,049 fps -:- 62.4 deg
45.0 deg -:- 24,400 yards -:- 80.8 sec -:- 1,084 fps -:- 65.9 deg
50.0 deg -:- 24,100 yards -:- 87.1 sec -:- 1,118 fps -:- 68.9 deg

Armor Penetration - Vertical Belt Armor (Relative armor quality, 0.88)

Maximum penetration: 15.27 inches

Elevation -:- Range -:- Belt -:- Deck
1.8 deg -:- 4,400 yards -:- 10 in -:-
3.2 deg -:- 6,800 yards -:- 8 in -:-
5.6 deg -:- 9,800 yards -:- 6 in -:-
9.0 deg -:- 13,100 yards -:- ... -:- 1 in
10.7 deg -:- 14,300 yards -:- 4 in -:-
21.3 deg -:- 19,900 yards -:- ... -:- 2 in
27.6 deg -:- 22,000 yards -:- 2 in -:-
33.9 deg -:- 23,400 yards -:- ... -:- 3 in

Maximum range = 24400 yards at 44.3 deg elevation

6

Tuesday, February 28th 2012, 8:58pm

Skoda-Davao 152mm/53 (relined 155mm/52) Model 1926

Historical data

Range @ 35° 23,300 yards; penetration - belt 1.43", deck 2.88"
Altitude @ 50° 30,900 feet

Caliber = 6.0 inch (15.2 cm)
Shell weight = 108 lbs (49 kg)
Muzzle velocity = 2984 fps (910 m/s)
Relative ballistic performance: 0.88
Muzzle energy = 20.282 megajoules = 7473.9 foot-tons
Relative muzzle energy: 1.08
Barrel length: 53 calibers

Elevation -:- Range -:- Time -:- Velocity -:- Fall Angle
2.5 deg -:- 5,900 yards -:- 7.5 sec -:- 1,901 fps -:- 3.4 deg
5.0 deg -:- 9,400 yards -:- 13.9 sec -:- 1,467 fps -:- 8.0 deg
7.5 deg -:- 12,000 yards -:- 19.7 sec -:- 1,236 fps -:- 13.4 deg
10.0 deg -:- 13,900 yards -:- 25.0 sec -:- 1,101 fps -:- 19.0 deg
12.5 deg -:- 15,600 yards -:- 30.0 sec -:- 1,019 fps -:- 24.7 deg
15.0 deg -:- 17,000 yards -:- 34.7 sec -:- 971 fps -:- 30.1 deg
20.0 deg -:- 19,200 yards -:- 43.5 sec -:- 933 fps -:- 39.8 deg
25.0 deg -:- 21,000 yards -:- 51.8 sec -:- 937 fps -:- 47.9 deg
30.0 deg -:- 22,400 yards -:- 59.7 sec -:- 960 fps -:- 54.4 deg
35.0 deg -:- 23,300 yards -:- 67.1 sec -:- 992 fps -:- 59.4 deg
40.0 deg -:- 23,900 yards -:- 74.3 sec -:- 1,027 fps -:- 63.6 deg
45.0 deg -:- 24,100 yards -:- 81.0 sec -:- 1,061 fps -:- 66.9 deg
50.0 deg -:- 23,700 yards -:- 87.4 sec -:- 1,093 fps -:- 69.9 deg

Armor Penetration - Vertical Belt Armor (Relative armor quality, 0.88)

Maximum penetration: 15.28 inches

Elevation -:- Range -:- Belt -:- Deck
1.6 deg -:- 4100 yards -:- 10 in -:-
2.7 deg -:- 6300 yards -:- 8 in -:-
4.8 deg -:- 9100 yards -:- 6 in -:-
9.1 deg -:- 13300 yards -:- 4 in -:-
9.8 deg -:- 13800 yards -:- ... -:- 1 in
22.6 deg -:- 20200 yards -:- ... -:- 2 in
23.7 deg -:- 20600 yards -:- 2 in -:-
37.0 deg -:- 23600 yards -:- ... -:- 3 in

Maximum range = 24100 yards at 44.2 deg elevation

7

Tuesday, February 28th 2012, 9:23pm

150mm/54 Model 1931

Historical data

Caliber = 5.9 inch (15.0 cm)
Shell weight = 107 lbs (48.5 kg)
Muzzle velocity = 2968 fps (905 m/s)
Relative ballistic performance: 0.93
Muzzle energy = 19.872 megajoules = 7322.8 foot-tons
Relative muzzle energy: 1.11
Barrel length: 54 calibers

Elevation -:- Range -:- Time -:- Velocity -:- Fall Angle
2.5 deg -:- 5,900 yards -:- 7.5 sec -:- 1,946 fps -:- 3.4 deg
5.0 deg -:- 9,600 yards -:- 14.0 sec -:- 1,514 fps -:- 7.9 deg
7.5 deg -:- 12,300 yards -:- 19.8 sec -:- 1,284 fps -:- 12.9 deg
10.0 deg -:- 14,400 yards -:- 25.2 sec -:- 1,145 fps -:- 18.4 deg
12.5 deg -:- 16,100 yards -:- 30.3 sec -:- 1,060 fps -:- 24.0 deg
15.0 deg -:- 17,600 yards -:- 35.1 sec -:- 1,009 fps -:- 29.3 deg
20.0 deg -:- 20,000 yards -:- 44.2 sec -:- 968 fps -:- 39.1 deg
25.0 deg -:- 21,900 yards -:- 52.6 sec -:- 970 fps -:- 47.0 deg
30.0 deg -:- 23,400 yards -:- 60.7 sec -:- 994 fps -:- 53.5 deg
35.0 deg -:- 24,500 yards -:- 68.3 sec -:- 1,026 fps -:- 58.5 deg
40.0 deg -:- 25,200 yards -:- 75.6 sec -:- 1,062 fps -:- 62.7 deg
45.0 deg -:- 25,400 yards -:- 82.6 sec -:- 1,098 fps -:- 66.2 deg
50.0 deg -:- 25,100 yards -:- 89.1 sec -:- 1,132 fps -:- 69.2 deg

Armor Penetration - Vertical Belt Armor (Relative armor quality, 0.93)

Maximum penetration: 14.21 inches

Elevation -:- Range -:- Belt -:- Deck
1.4 deg -:- 3600 yards -:- 10 in -:-
2.6 deg -:- 6000 yards -:- 8 in -:-
4.6 deg -:- 9100 yards -:- 6 in -:-
9.0 deg -:- 13600 yards -:- 4 in -:-
10.6 deg -:- 14800 yards -:- ... -:- 1 in
23.6 deg -:- 21400 yards -:- ... -:- 2 in
23.8 deg -:- 21500 yards -:- 2 in -:-
38.5 deg -:- 25000 yards -:- ... -:- 3 in

Maximum range = 25400 yards at 44.6 deg elevation

8

Tuesday, February 28th 2012, 10:19pm

AdM/Skoda-Davao 130mm/50 Model 1925

Historical data

Range @ 35° 20,200 yards; penetration - belt 1.13", deck 2.34"
Altitude @ 80° 43,300 feet

Caliber = 5.12 inch (13.0 cm)
Shell weight = 70 lbs (32 kg)
Muzzle velocity = 2811 fps (857 m/s)
Relative ballistic performance: 0.87
Muzzle energy = 11.661 megajoules = 4297.1 foot-tons
Relative muzzle energy: 1.00
Barrel length: 50 calibers

Elevation -:- Range -:- Time -:- Velocity -:- Fall Angle
2.5 deg -:- 5,200 yards -:- 7.0 sec -:- 1,791 fps -:- 3.4 deg
5.0 deg -:- 8,300 yards -:- 13.1 sec -:- 1,374 fps -:- 8.1 deg
7.5 deg -:- 10,500 yards -:- 18.5 sec -:- 1,158 fps -:- 13.4 deg
10.0 deg -:- 12,300 yards -:- 23.5 sec -:- 1,030 fps -:- 19.1 deg
12.5 deg -:- 13,700 yards -:- 28.2 sec -:- 952 fps -:- 24.8 deg
15.0 deg -:- 14,900 yards -:- 32.6 sec -:- 907 fps -:- 30.3 deg
20.0 deg -:- 16,800 yards -:- 40.8 sec -:- 870 fps -:- 40.1 deg
25.0 deg -:- 18,300 yards -:- 48.5 sec -:- 872 fps -:- 48.3 deg
30.0 deg -:- 19,400 yards -:- 55.8 sec -:- 893 fps -:- 54.8 deg
35.0 deg -:- 20,200 yards -:- 62.7 sec -:- 921 fps -:- 60.0 deg
40.0 deg -:- 20,600 yards -:- 69.3 sec -:- 952 fps -:- 64.2 deg
45.0 deg -:- 20,600 yards -:- 75.5 sec -:- 983 fps -:- 67.7 deg
50.0 deg -:- 20,200 yards -:- 81.3 sec -:- 1,011 fps -:- 70.6 deg

Armor Penetration - Vertical Belt Armor (Relative armor quality, 0.87)

Maximum penetration: 12.57 inches

Elevation -:- Range -:- Belt -:- Deck
1.7 deg -:- 3900 yards -:- 8 in -:-
3.3 deg -:- 6300 yards -:- 6 in -:-
6.7 deg -:- 9900 yards -:- 4 in -:-
13.5 deg -:- 14200 yards -:- ... -:- 1 in
17.9 deg -:- 16100 yards -:- 2 in -:-
28.6 deg -:- 19100 yards -:- ... -:- 2 in

Maximum range = 20600 yards at 43.0 deg elevation

9

Tuesday, February 28th 2012, 10:34pm

Skoda-Davao 115mm/50 Model 1931

Historical data

Range @ 35° 19,400 yards; penetration - belt 0.86", deck 1.85"
Altitude @ 80° 41,800 feet

Caliber = 4.5 inch (11.5 cm)
Shell weight = 48.5 lbs (22 kg)
Muzzle velocity = 2810 fps (857 m/s)
Relative ballistic performance: 0.93
Muzzle energy = 8.076 megajoules = 2976.2 foot-tons
Relative muzzle energy: 1.00
Barrel length: 50 calibers

Elevation -:- Range -:- Time -:- Velocity -:- Fall Angle
2.5 deg -:- 5,100 yards -:- 7.0 sec -:- 1,754 fps -:- 3.5 deg
5.0 deg -:- 8,100 yards -:- 13.0 sec -:- 1,341 fps -:- 8.2 deg
7.5 deg -:- 10,300 yards -:- 18.3 sec -:- 1,128 fps -:- 13.5 deg
10.0 deg -:- 11,900 yards -:- 23.2 sec -:- 1,002 fps -:- 19.3 deg
12.5 deg -:- 13,300 yards -:- 27.8 sec -:- 927 fps -:- 25.1 deg
15.0 deg -:- 14,400 yards -:- 32.2 sec -:- 882 fps -:- 30.8 deg
20.0 deg -:- 16,300 yards -:- 40.3 sec -:- 846 fps -:- 40.8 deg
25.0 deg -:- 17,700 yards -:- 47.9 sec -:- 850 fps -:- 49.0 deg
30.0 deg -:- 18,700 yards -:- 55.0 sec -:- 870 fps -:- 55.5 deg
35.0 deg -:- 19,400 yards -:- 61.8 sec -:- 898 fps -:- 60.6 deg
40.0 deg -:- 19,800 yards -:- 68.2 sec -:- 928 fps -:- 64.8 deg
45.0 deg -:- 19,800 yards -:- 74.3 sec -:- 958 fps -:- 68.2 deg
50.0 deg -:- 19,400 yards -:- 80.0 sec -:- 985 fps -:- 71.1 deg

Armor Penetration - Vertical Belt Armor (Relative armor quality, 0.93)

Maximum penetration: 10.17 inches

Elevation -:- Range -:- Belt -:- Deck
2.0 deg -:- 4300 yards -:- 6 in -:-
4.5 deg -:- 7600 yards -:- 4 in -:-
12.7 deg -:- 13400 yards -:- 2 in -:-
17.1 deg -:- 15300 yards -:- ... -:- 1 in
39.2 deg -:- 19700 yards -:- ... -:- 2 in

Maximum range = 19,800 yards at 42.6 deg elevation

10

Tuesday, February 28th 2012, 11:08pm

Arsenal de Manila 100mm/52 Model 1923

Historical data

Range @ 15° 12,900 yards; penetration - belt 1.44", deck 0.82"
Range @ 35° 16,700 yards; penetration - belt 0.66", deck 1.65"
Altitude @ 80° 36,800 feet

Caliber = 3.94 inch (10.0 cm)
Shell weight = 32 lbs (15 kg)
Muzzle velocity = 2881 fps (878 m/s)
Relative ballistic performance: 0.85
Muzzle energy = 5.599 megajoules = 2063.3 foot-tons
Relative muzzle energy: 1.05
Barrel length: 52 calibers

Elevation -:- Range -:- Time -:- Velocity -:- Fall Angle
2.5 deg -:- 4,900 yards -:- 7.0 sec -:- 1,623 fps -:- 3.7 deg
5.0 deg -:- 7,600 yards -:- 12.8 sec -:- 1,206 fps -:- 8.9 deg
7.5 deg -:- 9,500 yards -:- 17.9 sec -:- 1,003 fps -:- 14.8 deg
10.0 deg -:- 10,900 yards -:- 22.6 sec -:- 888 fps -:- 21.1 deg
12.5 deg -:- 12,000 yards -:- 26.9 sec -:- 823 fps -:- 27.3 deg
15.0 deg -:- 12,900 yards -:- 31.0 sec -:- 786 fps -:- 33.2 deg
20.0 deg -:- 14,400 yards -:- 38.6 sec -:- 760 fps -:- 43.6 deg
25.0 deg -:- 15,500 yards -:- 45.6 sec -:- 766 fps -:- 51.7 deg
30.0 deg -:- 16,200 yards -:- 52.3 sec -:- 788 fps -:- 58.2 deg
35.0 deg -:- 16,700 yards -:- 58.6 sec -:- 813 fps -:- 63.2 deg
40.0 deg -:- 17,000 yards -:- 64.5 sec -:- 840 fps -:- 67.2 deg
45.0 deg -:- 16,900 yards -:- 70.2 sec -:- 866 fps -:- 70.5 deg
50.0 deg -:- 16,500 yards -:- 75.5 sec -:- 889 fps -:- 73.2 deg

Armor Penetration - Vertical Belt Armor (Relative armor quality, 0.85)

Maximum penetration: 10.33 inches

Elevation -:- Range -:- Belt -:- Deck
1.6 deg -:- 3500 yards -:- 6 in -:-
3.5 deg -:- 6100 yards -:- 4 in -:-
9.8 deg -:- 10700 yards -:- 2 in -:-
18.7 deg -:- 14000 yards -:- ... -:- 1 in
48.6 deg -:- 16600 yards -:- ... -:- 2 in

Maximum range = 17,000 yards at 41.3 deg elevation

11

Tuesday, February 28th 2012, 11:19pm

Skoda-Davao 75mm/50 Model 1926

Historical data

Range @ 35° 13,300 yards; penetration - belt 0.34", deck 0.99"
Altitude @ 80° 29,700 feet

Caliber = 2.95 inch (7.5 cm)
Shell weight = 13 lbs (6 kg)
Muzzle velocity = 2852 fps (870 m/s)
Relative ballistic performance: 0.88
Muzzle energy = 2.230 megajoules = 821.9 foot-tons
Relative muzzle energy: 1.00
Barrel length: 50 calibers

Elevation -:- Range -:- Time -:- Velocity -:- Fall Angle
2.5 deg -:- 4,400 yards -:- 6.7 sec -:- 1,440 fps -:- 3.9 deg
5.0 deg -:- 6,600 yards -:- 12.1 sec -:- 1,044 fps -:- 9.6 deg
7.5 deg -:- 8,000 yards -:- 16.8 sec -:- 861 fps -:- 16.1 deg
10.0 deg -:- 9,100 yards -:- 21.1 sec -:- 761 fps -:- 23.0 deg
12.5 deg -:- 10,000 yards -:- 25.0 sec -:- 706 fps -:- 29.5 deg
15.0 deg -:- 10,700 yards -:- 28.7 sec -:- 677 fps -:- 35.7 deg
20.0 deg -:- 11,700 yards -:- 35.5 sec -:- 659 fps -:- 46.3 deg
25.0 deg -:- 12,500 yards -:- 41.8 sec -:- 668 fps -:- 54.6 deg
30.0 deg -:- 13,000 yards -:- 47.7 sec -:- 687 fps -:- 60.9 deg
35.0 deg -:- 13,300 yards -:- 53.3 sec -:- 710 fps -:- 65.7 deg
40.0 deg -:- 13,400 yards -:- 58.6 sec -:- 732 fps -:- 69.6 deg
45.0 deg -:- 13,200 yards -:- 63.6 sec -:- 753 fps -:- 72.7 deg
50.0 deg -:- 12,800 yards -:- 68.3 sec -:- 771 fps -:- 75.3 deg

Armor Penetration - Vertical Belt Armor (Relative armor quality, 0.88)

Maximum penetration: 7.13 inches

Elevation -:- Range -:- Belt -:- Deck
1.3 deg -:- 2,700 yards -:- 4 in -:-
4.4 deg -:- 6,200 yards -:- 2 in -:-
35.8 deg -:- 13,400 yards -:- ... -:- 1 in

Maximum range = 13,400 yards at 39.1 deg elevation

12

Tuesday, February 28th 2012, 11:41pm

Arsenal de Manila 57mm/42 Model 1923

Historical data

Range @ 15° 8,100 yards; penetration - belt 0.55", deck 0.35"
Range @ 35° 9,900 yards; penetration - belt 0.23", deck 0.68"
Altitude @ 75° 21,000 feet

Caliber = 2.24 inch (5.7 cm)
Shell weight = 6 lbs (3 kg)
Muzzle velocity = 2473 fps (754 m/s)
Relative ballistic performance: 0.85
Muzzle energy = 0.774 megajoules = 285.2 foot-tons
Relative muzzle energy: 0.79
Barrel length: 42 calibers

Elevation -:- Range -:- Time -:- Velocity -:- Fall Angle
2.5 deg -:- 3,400 yards -:- 5.9 sec -:- 1,255 fps -:- 4.0 deg
5.0 deg -:- 5,000 yards -:- 10.6 sec -:- 913 fps -:- 9.6 deg
7.5 deg -:- 6,100 yards -:- 14.7 sec -:- 753 fps -:- 16.1 deg
10.0 deg -:- 6,900 yards -:- 18.4 sec -:- 666 fps -:- 22.9 deg
12.5 deg -:- 7,600 yards -:- 21.8 sec -:- 618 fps -:- 29.5 deg
15.0 deg -:- 8,100 yards -:- 25.0 sec -:- 591 fps -:- 35.7 deg
20.0 deg -:- 8,900 yards -:- 30.9 sec -:- 574 fps -:- 46.4 deg
25.0 deg -:- 9,400 yards -:- 36.3 sec -:- 580 fps -:- 54.8 deg
30.0 deg -:- 9,800 yards -:- 41.4 sec -:- 596 fps -:- 61.3 deg
35.0 deg -:- 9,900 yards -:- 46.2 sec -:- 615 fps -:- 66.3 deg
40.0 deg -:- 9,900 yards -:- 50.7 sec -:- 633 fps -:- 70.2 deg
45.0 deg -:- 9,700 yards -:- 54.9 sec -:- 650 fps -:- 73.3 deg
50.0 deg -:- 9,400 yards -:- 58.9 sec -:- 665 fps -:- 75.9 deg

Armor Penetration - Vertical Belt Armor (Relative armor quality, 0.85)

Maximum penetration: 4.86 inches

Elevation -:- Range -:- Belt -:- Deck
2.4 deg -:- 3,300 yards -:- 2 in -:-

Maximum range = 9,900 yards at 37.2 deg elevation

13

Wednesday, February 29th 2012, 1:07am

Arsenal de Manila 25mm/53 Model 1925

Historical data

Range @ 35° 6,100 yards; penetration - belt 0.05", deck 0.22"
Altitude @ 90° 14,300 feet

Caliber = 0.98 inch (2.5 cm)
Shell weight = 0.57 lbs (0 kg)
Muzzle velocity = 2712 fps (827 m/s)
Relative ballistic performance: 0.87
Muzzle energy = 0.088 megajoules = 32.567 foot-tons
Relative muzzle energy: 1.08
Barrel length: 53 calibers

Elevation -:- Range -:- Time -:- Velocity -:- Fall Angle
2.5 deg -:- 2,800 yards -:- 5.7 sec -:- 893 fps -:- 5.3 deg
5.0 deg -:- 3,800 yards -:- 9.7 sec -:- 621 fps -:- 12.7 deg
7.5 deg -:- 4,400 yards -:- 13.1 sec -:- 510 fps -:- 21.1 deg
10.0 deg -:- 4,800 yards -:- 16.0 sec -:- 457 fps -:- 28.9 deg
12.5 deg -:- 5,100 yards -:- 18.8 sec -:- 430 fps -:- 36.7 deg
15.0 deg -:- 5,400 yards -:- 21.3 sec -:- 418 fps -:- 43.4 deg
20.0 deg -:- 5,700 yards -:- 26.0 sec -:- 417 fps -:- 54.3 deg
25.0 deg -:- 6,000 yards -:- 30.3 sec -:- 428 fps -:- 62.3 deg
30.0 deg -:- 6,100 yards -:- 34.3 sec -:- 442 fps -:- 68.0 deg
35.0 deg -:- 6,100 yards -:- 38.0 sec -:- 455 fps -:- 72.3 deg
40.0 deg -:- 6,000 yards -:- 41.6 sec -:- 466 fps -:- 75.7 deg
45.0 deg -:- 5,800 yards -:- 44.9 sec -:- 476 fps -:- 78.2 deg
50.0 deg -:- 5,500 yards -:- 48.0 sec -:- 484 fps -:- 80.3 deg

Armor Penetration - Vertical Belt Armor (Relative armor quality, 0.87)

Maximum penetration: 2.53 inches

Maximum range = 6,100 yards at 32.7 deg elevation