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History

37mm Naval

37mm Field Service

40mm Flanking gun

47mm Naval

53mm Naval

Ammunition

Tables

Gallery

Hotchkiss Revolving Cannon - Tables

The information in these tables has been taken from Lieut. Edward W Very USN's 1885 publication "The Hotchkiss Revolving Cannon". [Ref H1] I have corrected a few printer's errors.

37 mm.

47 mm.

53 mm.

English

Metric

English

Metric

English

Metric

Calibre

1.45 in

37 mm

1.85 in

47 mm

2.09 in

53 mm

Length of gun

46.4 in

1180 mm

68.1 in

1730 mm

84.25 in

2,140mm

Extreme length, including stock

55.9 in

1420 mm

78.7 in

2000 mm

Has no stock

Length from pivot centre to tip of stock

31.5 in

800 mm

37.8 in

960 mm

Distance between trunnion faces

16.3 in

415 mm

21.5 in

546 mm

24.3 in

618 mm

Mean height of trunnion centres above deck

46.4 in

1180 mm

46.4 in

1180 mm

35.8 in

910 mm

Length of gun-barrel

29.1 in

740 mm

46.2 in

1175 mm

56.3 in

1431 mm

Number of barrels

5

5

5

5

5

5

Weight of each barrel

31 lbs.

14 Kg

97 lbs.

44 Kg

176 lbs

80 Kg

Length of rifled bore

24.7 in

627 mm

39.3 in

998 mm

47.2 in

1201 mm

Total length of bore in calibre

20

20

25

25

27

27

Lands -

Number

12

12

20

20

24

24

Width

0.06 in

1.5 mm

0.06 in

1.5 mm

0.067 in

1.7 mm

Height

0.016 in

0.4 mm

0.016 in

0.4 mm

0.016 in

0.4 mm

Angle of rifling

6 deg

6 deg

8 deg

8 deg

6 deg 20'

6 deg 20'

Length of line of sight

33.34 in

847 mm

43.4 in

1102 mm

39.4 in

1000 mm

Height of line of sight above axis of firing barrel

8.24 in

211 mm

11.5 in

294 mm

7.16 in

182 mm

Horizontal distance of line of sight to right of axis of firing barrel

1.77 in

25 mm

2.16 in

55 mm

to left of 6.4 in

barrel 163 mm

Weight of gun, including stock

462 lbs.

210 Kg

1265 lbs.

575 kg

2200 lbs.

1000 Kg

Naval Material - Guns

37 mm.

47 mm.

53 mm.

English

Metric

English

Metric

English

Metric

Steel shell

Length

3.74 in

95 mm

5.19 in

132 mm

6.17 in

157 mm

Radius of ogive in diameters

2

2

2

2

2

2

Ratio of weight to spherical shot

2.78

2.78

2.95

2.95

2.95

2.95

Weight, empty

15.75 oz

450 gm

2.23 lbs

1014 gm

3.33 lbs

1514 gm

Weight of bursting-charge

0.5 oz

15 gm

1.6 oz

45 gm

2.1 oz

60 gm

Weight of fuze

1.4 oz

40 gm

1.9 oz

56 gm

1.9 oz

56 gm

Loaded weight

1.1 lbs

505 gm

2.45 lbs

1115 gm

3.58 lbs

1630 gm

Common shell

Length

3.66 in

93 mm

4.99 in

127 mm

6.34 in

161 mm

Radius of ogive in diameters

2.17

2.17

2.42

2.42

2.55

2.55

Ratio of weight to spherical shot

2.5

2.5

2.85

2.85

2.85

2.85

Weight, empty

14.4 oz

413 gm

2.20 lbs

1000 gm

3.31 lbs

1505 gm

Weight of bursting-charge

0.77 oz

22 gm

1.6 oz

45 gm

2.5 oz

70 gm

Weight of fuze

0.7 oz

22 gm

1.6 oz

45 gm

2.5 oz

70 gm

Loaded weight

1 lb.

455 gm

2.36 lbs

1075 gm

3.58 lbs

1630 gm

Case shot

Weight

1.25 lbs

570 gm

2.44 lbs

1110 gm

4.22 lbs

1920 gm

Number of bullets

28

28

30

30

58

58

Weight of each bullet

0.7 oz

19 gm

1.1 oz

32 gm

1.0 oz

28 gm

Diameter of rifling-belt

1.49 in

37.8 mm

1.93 in

48.1 mm

2.14 in

54.3 mm

Weight of empty cartridge-case

3 oz

85 gm

7.7 oz

222 gm

10.1 oz

290 gm

Weight of powder charge

2.8 oz

80 gm

7 oz

200 gm

14.3 oz

410 gm

Total weight of cartridge complete (steel shell)

1.5 lbs

675 gm

3.4 lbs

1545 gm

5.1 lbs

2345 gm

Total weight of cartridge complete (common shell)

1.4 lbs

625 gm

3.3 lbs

1505 gm

4.5 lbs

2040 gm

Total weight of cartridge complete (case shot)

1.63 lbs

740 gm

3.4 lbs

1550 gm

5.8 lbs

2630 gm

Total length of cartridge complete

6.57 in

167 mm

9.25 in

235 mm

12.42 in

315.5 mm

37 mm.

47 mm.

53 mm.

English

Metric

English

Metric

English

Metric

Ship mount

Weight of pivot

77 lbs

35 Kg

158 lbs

72 Kg

-

-

Mean weight of rail-socket

44 lbs

20 Kg

139 lbs

63 Kg

-

-

Weight of fixed stand

396 lbs

180 Kg

462 lbs

210 Kg

-

-

Extreme angles of elevation and depression (ship mount)

+ 15-35

+ 15 -35

+20 -20

+20 -20

+20 -10

+20 -10

Weight of 53 mm ship carriage

-

-

-

-

1672 lbs

760 Kg

Mean total weight of gun and mount (without shield)

583 lbs

265 Kg

1562 lbs

710 Kg

3872 lbs

1760 Kg

Weight of chest with accessories and spare parts

92 lbs

42 Kg

136 lbs

62 Kg

66 lbs

30 Kg

Weight of boat fixtures

55 lbs

25 Kg

154 lbs

70 Kg

-

-

Weight of boat carriage

-

-

649 lbs

295 Kg

-

-

 

Landing mount

Weight of gun carriage complete

638 lbs

290 Kg

-

-

-

-

Weight of limber (empty)

572 lbs

260 Kg

-

-

-

-

Weight of limber (loaded)

990 lbs

450 Kg

-

-

-

-

Number of rounds in limber

300

300

-

-

-

-

Diameter of wheels

45.2 in

1150 mm

-

-

-

-

Total weight of gun, carriage and limber, fully equipped

2090 lbs

950 Kg

-

-

-

-

Extreme angle of elevation and depression (landing mount)

+12-5

+12 -5

-

-

-

-

Weight of ammunition box with 60 rounds

108 lbs

49 Kg

-

-

-

-

Weight of ammunition box with 24 rounds

-

-

105 lbs

47.7 Kg

-

-

Weight of ammunition box with 20 rounds

-

-

-

-

147 lbs

67 Kg

Light Field

Heavy Field

Flank Defence

English

Metric

English

Metric

English

Metric

Calibre

1.45 in

37 mm

1.45 in

37 mm

1.57 in

40 mm

Length of gun

46.4 in

1180 mm

70.4 in

1790 mm

70.4 in

1790 mm

Extreme length, (to end of crank when turned to the rear)

53.9 in

1360 mm

74.8 in

1900 mm

74.8 in

1900 mm

Length from trunnion-centres to face of breech

19.7 in

500 mm

27.9 in

710 mm

27.9 in

710 mm

Distance between trunnion faces

16.3 in

415 mm

19 in

484 mm

19 in

484 mm

Mean height of trunnion centres above tread

35 in

890 mm

42.4 in

1080 mm

47.2 in

1200 mm

Length of gun-barrel

29.1 in

740 mm

50.1 in

1276 mm

50.1 in

1276 mm

Number of barrels

5

5

5

5

5

5

Weight of each barrel

30.8 lbs.

14 Kg

79 lbs.

36 Kg

75 lbs

34 Kg

Length of rifled bore

24.7 in

627 mm

43.4 in

1121 mm

43.6 in

1176 mm

Total length of bore in calibre

20

20

34.5

34.5

32

32

Lands -

Number

12

12

12

12

12

12

Width

0.059 in

1.5 mm

0.059 in

1.5 mm

0.098 in

2 mm

Height

0.015 in

0.4 mm

0.015 in

0.4 mm

0.015 in

0.4 mm

Angle of rifling

6

6

8

8

see web page

Length of line of sight

33.34 in

847 mm

26.89 in

683 mm

27.75 in

705 mm

Height of line of sight above axis of firing barrel

4.87 in

124 mm

5.66 in

144 mm

5.12 in

130 mm

Horizontal distance of line of sight to right of axis of firing barrel

6.05 in

154 mm

6.85 in

174 mm

6.69 in

170 mm

Weight of gun complete

495 lbs.

225 Kg

1045 lbs.

475 kg

1162 lbs.

528 Kg

Light Field

Heavy Field

Flank Defence

English

Metric

English

Metric

English

Metric

Common shell

Length

3.66 in

93 mm

4.37 in

111 mm

-

-

Average number of burst pieces

15

15

19

19

-

-

Ratio of weight to spherical shot

2.5

2.5

2.86

2.86

-

-

Weight, empty

14.4 oz

413 gm

1 lb.

470 gm

-

-

Weight of bursting-charge

0.7 oz

20 gm

0.8 oz

25 gm

-

-

Weight of fuze

1.9 oz

55 gm

1.9 oz

55 gm

-

-

Loaded weight

1 lb.

480 gm

1.19 lbs

550 gm

-

-

Case shot

Weight

1.25 lbs

570 gm

1.25 lbs

570 gm

1.87 lbs

850 gm

Number of bullets

28

28

28

28

24

24

Weight of each bullet

0.7 oz

19 gm

0.7 oz

19 gm

1.1 oz

32 gm

Diameter of rifling-belt

1.49 in

37.8 mm

1.49 in

37.8 mm

-

-

Weight of empty cartridge-case

3 oz

85 gm

3.4 oz

110 gm

8.8 oz

260 gm

Weight of powder charge

2.8 oz

80 gm

3.8 oz

112 gm

3 oz

90 gm

Total weight of cartridge complete (common shell)

1.4 lbs

650 gm

1.7 lbs

775 gm

-

-

Total weight of cartridge complete (case shot)

1.63 lbs

740 gm

1.75 lbs

795 gm

2.5 lbs

110 gm

Total length of cartridge complete

6.57 in

167 mm

8.1 in

206 mm

8.1 in

206 mm

Light Field

Heavy Field

Flank Defence

English

Metric

English

Metric

English

Metric

Diameter of wheels

45.2 in

1150 mm

55.1 in

1400 mm

19.7 in

500 mm

Width of tread

47.2 in

1200 mm

60.2 in

1530 mm

37.4 in

950 mm

Weight of one wheel

99 lbs

45 Kg

187 lbs

85 Kg

-

-

Weight of gun carriage (without shield)

550 lbs

250 Kg

990 lbs

450 Kg

1276 lbs

580 Kg

Weight of shield

220 lbs

100 Kg

282 lbs

128 Kg

176 lbs

80 Kg

Weight of limber (empty)

605 lbs

275 Kg

913 lbs

415 Kg

-

-

Weight of limber (loaded)

1067 lbs

485 Kg

1452 lbs

660 Kg

-

-

Number of rounds in limber

300

300

300

300

-

-

Total weight of gun, carriage and limber, fully equipped

2112 lbs

960 Kg

3487 lbs

1585 Kg

-

-

Weight of body of ammunition wagon (empty)

825 lbs

375 Kg

1496 lbs

680 Kg

-

-

Weight of body of ammunition wagon (loaded)

2024 lbs

920 Kg

2904 lbs

1320 Kg

-

-

Number of rounds in wagon-body

800

800

800

800

-

-

Number of rounds in wagon-limber

300

300

300

300

-

-

Total weight of ammunition wagon and limber, fully equipped

3091 lbs

1405 Kg

4356 lbs

1980 Kg

-

-

Total number of rounds transported per gun

1400

1400

1400

1400

-

-

Angle of trail of gun-carriage

29

29

27

27

38

38

Extreme angle of elevation

+18

+18

+20

+20

+10

+10

Extreme angle of depression

-5

-5

-5

-5

-10

-10

Extreme angle of deflection with horizontal training apparatus

4

4

4

4

-

-

Naval Material - Ammunition

Naval Material

Mounts, Carriages and Equipments

Military Material - Guns

Military Material - Ammunition

Military Material

Mounts, Carriages and Equipments

Hotchkiss3NavalGuns
HotchkissShellComparison
HotchkissLandingCarriage
HotchkissFlankGunRightside2

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