New Dimensions of Powder Sections

Guns Used In

No. of
Sections

Diam. of
Ignition
Circle

Ignition
Charge
per
Section

Full Charge

Reduced Section

Diam. of Section

Length of Section

Diam. of Section

Length of Section

Minimum

Maximum

Minimum

Maximum

Minimum

Maximum

Minimum

Maximum

5"/50 Mks 5 & 6

1

4.00"

75

5.10"

6.00"

28.00"

29.25"

5"/51 Mks 7, 8,

1

4.00"

75

4.50"

6.00"

29.00"

30.00"

4.50"

6.00"

29.00"

30.00"

& 15

6"/47 Mk 17

1

5.00"

150

5.25"

6.50"

33.00"

34.00"

5.25"

6.50"

33.00"

34.00"

6"/50 Mks 6 & 8

1

4.50"

100

5.00"

6.35"

38.00"

39.50"

5.00"

6.35"

38.00"

39.50"

6"/53 Mks 12, 14,

1

5.00"

150

5.25"

6.60"

44.50"

46.50"

5.25"

6.60"

44.50"

46.50"

& 18

7"/45 Mk 2

2

5.50"

150

6.50"

8.00"

23.25"

24.00"

6.50"

8.00"

23.25"

24.00"

8"/55 Mks 12, 14

2

6.00"

200

6.60"

7.80"

27.25"

28.00"

7.20"

7.80"

27.25"

28.00"

& 15

12"/50 Mk 7

4

8.50"

300

11.20"

12.60"

18.90"

19.90"

9.10"

10.60"

18.90"

19.90"

12"/50 Mk 8

4

9.00"

300

10.40"

11.50"

18.00"

19.00"

9.80"

10.60"

18.00"

19.00"

14"/45 Mks 8, 10

4

9.50"

300

12.60"

14.00"

18.75"

19.90"

10.50"

11.50"

18.70"

19.70"

& 12

14"/50 Mks 7 & 11

4

9.50"

300

12.60"

14.25"

18.50"

19.70"

10.20"

11.20"

18.70"

19.70"

16"/45 Mk 6-1

6

10.00"

290

13.50"

15.30"

13.75"

15.00"

11.80"

13.20"

14.00"

15.00"

16"/45 Mks 6-2,

5

10.00"

350

13.50"

15.30"

16.75"

18.00"

11.80"

13.10"

17.00"

18.00"

& 8

16"/50 Mk 7

6

10.00"

350

13.90"

16.00"

16.00"

17.25"

11.25"

12.40"

16.25"

17.25"