Krupp 75mm field gun M. 1911

 

 

Bulgarian designation :

75-мм скорострелно полско оръдие “Круп”

Turkish denomination :

7,5/30 sm. Krup seri ateşli sahra top

Calibre :

75mm L/30

Weight of the barrel :

345 kg

Weight in action :

1025 kg

995 kg (for horse artillery)

Weight in marching order :

1940 kg (fully equipped)

Weight of ammunition wagon :

1730 kg

Length of the whole gun :

4.300 m

Width of the gun :

1.740 m

Barrel length :

2.250 m

Length of the bore :

2.025 m (L/27)

Barrel grooves

number :

28

depth :

0.75 mm

width :

5.92 mm

Height of the line of fire :

955 mm

Shield thickness :

4 mm

Cartridge

size :

75 x 280 x 90 R

shelled :

8.14 kg

charge :

465 g of Rottweil smokeless powder

H.E. Shell

weight :

6 kg - charge: 140 g of Picric acid

fuze :

percussion

max. range :

5900 m (afterwards increased to 8000 m)

Shrapnel

weight :

6.35 kg - charge : 75 g of black powder

270 bullets x 11 g

6.35 kg - charge : 75 g of black powder

295 bullets x 10 g

fuze :

Doppelzünder C/20 - 290 g

max. range :

5400 m

Muzzle velocity :

500 m/s

Elevation :

+ 16° / - 10°

Traversing angle :

7°

Recoil :

1320 mm

Wheels :

weight :

140 kg

height :

1.30 m

track :

1.48 m

Transport :

drawn by six horses

Ammunition :

for Turkish Army: gun limber – 44, wagon limber – 48, wagon body – 48

12 ammunition wagons for every battery

Remarks :

Quick firing field gun, with recoil system with hydraulic buffer and springs, single-motion wedge breech mechanism, traverse on pivot. It was equipped with panorama sight, and was fitted for an independent line of sight. The upper and lower shields could be folded down. It employed also Ehrhardt (Rheinmetall) ammunition bought in 1908.

In 1911 Turkish Army ordered 22 batteries (10 field and 12 horse) armed with this guns. They arrived during and after the Balkan War.