Krupp 150mm heavy howitzer M. 1902

 

 

 

 

German designation :

schwere Feldhaubitze 02

Calibre :

149.7mm L/12

Weight of the barrel :

800 kg

Weight of the carriage :

1190 kg

Weight in action :

2035 kg

Weight in marching order :

2710 kg

Weight of the limber :

475 kg (empty) – 675 kg (loaded)

Barrel length :

1.770 m

Barrel grooves

number :

36

depth :

1.3 mm

width :

9.55 mm

Rifling

length :

1326 mm – 8 calibres

twist :

Progressive – 1 turn in 29.82 to 1 turn in 13.59 calibres

inclination :

6° to 13°

Height of the line of fire :

1105 mm

Cartridge

size :

152 x 113 x 170

weight :

1.80 kg

charge :

1.2 kg Würfelpulver + 20 g n.Gew.P. 71

1.26 kg Würfelpulver + 20 g n.Gew.P. 71

1.37 kg Würfelpulver + 20 g n.Gew.P. 71

Shells weight

 

15cm Gr. 83 :

39 kg – charge : 5.89 kg Grf. 88

15cm Gr. 88 :

41.9 kg (with Gr.Z. 82) – charge : 1.5 kg Grf. 88

42.3 kg (with Dopp. Z. 92) – charge : 1.5 kg Grf. 88

15cm Gr. 96 :

39.5 kg – charge : 7.3 kg Grf. 88

15cm Gr. 04 :

40.5 kg – charge : 4.73 kg Fp. 02

15cm Gr. 12 :

40.5 kg – charge : 6.1 kg Fp. 60/40

15cm Gr. 12 (verst.) :

40.5 kg – charge 4.5 kg / 4.6 kg Fp. 55/45 + Di. 60/40

15cm Gr. 12 n/A :

42 kg – charge : 6 kg Fp. 60/40

detonation charge : 60 g Grf. 88

42 kg – charge : 1.9 kg Fp. 60/40 + 4 kg dinitrobenzol

detonation charge : 60 g Grf. 88

15cm Gr. 14 :

42 kg – charge : 2.5 kg Fp. 60/40 + 195 g Grf. 88

15cm Gr. 14 A :

42 kg – charge : 1.5 kg Donarite or Westafalite

15cm Gr. 17

29 kg – charge : 3.2 kg

15 cm Brand-Gr. B :

42 kg – charge : 850 of celluloid + 300 g of black powder

Max. range :

7450 m (extra charge)

5900 m (normal charge)

Muzzle velocity :

325 m/s

Elevation :

+ 42° / - 0°

Traversing angle :

4°

Recoil :

670 mm / 650 mm

Height of wheels :

1.23 m

Track :

1.53 m

Transport :

drawn by six horses in one single load

Remarks :

Quick firing heavy field howitzer, recoil system with hydraulic buffer and springs, single-motion wedge breech mechanism, traverse on pivot. It was equipped with dial optical sight. It could fire also various patterns of gas shells.