Krupp 75mm field gun M. 1880

 

 

Copyright Massimo Foti

 

 

Romanian designation :

Tunul “Krupp”, calibrul 75 mm, model 1880

Krupp designation :

8cm Feldkanone C/80

Calibre :

75mm L/27

Weight of the barrel :

300 kg

Weight of the breech :

26 kg

Weight of the carriage :

460 kg

Weight in action :

760 kg

Weight of the limber :

447 kg (empty) – 730 kg (loaded)

Weight in marching order :

1490 kg

Barrel length :

2000 mm

Length of the bore :

1795 mm

Length of twist :

2700 mm – 36 calibres

Barrel grooves

number :

24

depth :

1.25 mm

width :

7.00 mm

Battering charge :

1 kg of black powder (Grobkörniges Art.-Pulver)

380 g of smokeless powder

Common shell

weight :

4.3 kg – charge: 100 g

max. range :

6100 m

Shrapnel

weight :

4.355 kg – charge : 55 g of black powder

90 bullets x 15 g

max. range :

4400 m

Case shot weight :

4.2 kg – 69 balls

Muzzle velocity :

460 m/s

Length of the line of sight :

925 mm

Elevation :

+ 24° / + 8°

Track :

1.528 m

Transport :

drawn by six horse

Ammunition :

carriage - 1 case shot

limber - 24 shells, 12 shrapnel, 2 case shots

ammunition wagon - 72 shells, 36 shrapnel, 2 case shots, 114 charges

6 ammunition wagons for every battery

Remarks :

Slow firing field gun, cylindro-prismatic wedge breech mechanism with an expanding steel obturation ring. It was fitted with a direct fire sight and aiming circle. It was modernised to use smokeless powder, but the rapidity of fire was not very great.