Krupp 105mm field howitzer M. 1916

 

 

0K105mmHbQF_1916_1

 

 

Bulgarian designation :

105-мм гаубица Д-20 “Круп”

German designation :

10.5cm lFH Krupp

Calibre :

105mm L/20

Weight in action :

1500 kg

Weight of the limber :

835 kg

Weight in marching order :

2535 kg

Barrel length :

2100 m

Barrel grooves

number :

32

depth :

1.25 mm

width :

6.8 mm

Height of the line of fire :

1032 mm

Shield thickness :

4 mm

Cartridge

size :

110 x 92 x 122

weight :

1.1 kg

charge :

1st charge: 155 g of Würfelpulver + 10 g n.Gew.P. 71

2nd charge: 176 g of Würfelpulver + 10 g n.Gew.P. 71

3rd charge: 197 g of Würfelpulver + 10 g n.Gew.P. 71

4th charge: 226 g of Würfelpulver + 10 g n.Gew.P. 71

5th charge: 267 g of Würfelpulver + 10 g n.Gew.P. 71

6th charge: 308 g of Würfelpulver + 10 g n.Gew.P. 71

7th charge: 370 g of Würfelpulver + 10 g n.Gew.P. 71

9th charge: 655 g of Würfelpulver + 10 g n.Gew.P. 71

10th charge: 855 g of Würfelpulver + 10 g n.Gew.P. 71

Shells

 

H.Gr. 14

weight :

15.5 kg - charge : 300 g Fp. 60/40

H.Gr. 15

weight :

15.7 kg

charge :

1.4 kg Fp. 40/60

350 kg Fp. 40/60 (reduced charge)

H.Schr. 16

weight :

15.89 kg – 448 steel bullets x 11 g x 13.8 mm

charge : 170 g / 190 g of black powder

lg.F.H.Gr.

weight :

15.5 kg / 15.8 kg

charge :

2 kg Fp. 60/40

850 g Fp. 60/40 and 1.15 kg Dinitrobenzene

1.41 kg Fp. 60/40 + 90 g picric acid (reduced charge)

Muzzle velocity :

430 m/s

Max. range :

6000 m (time)

8700 m (percussion)

C-Geschoss

weight :

15.5 kg / 15.63 kg

charge :

1.45 kg / 1.5 kg Fp. 60/40

muzzle velocity :

453 m/s

max. range :

10200 m

Elevation :

+ 43° / - 4°

Traversing angle :

4°

Remarks :

Quick firing light field howitzer with spring recoil system, single-motion wedge breech mechanism, traverse on pivot. It used the carriage of the sold in Switzerland in 1912. It was introduced into the German Army in mid-October 1916 and mass production began in March 1917.

The howitzer could fire with 10 different charges. It could fire also an incendiary shell (10,5cm Brandgranate) and a 12.5 kg star shell (Leuchtgeschoss L/3,3).

German light field howitzers comparison

 

 

So_K105mmHbQF_1