210mm Krupp Mortar M. 1899
|
|
|
German designation : |
21cm-Mörser |
|
|
Calibre : |
211mm L/10 |
|
|
Weight of the barrel : |
3000 kg |
|
|
Weight of the breech-block : |
208.4 kg |
|
|
Weight of the carriage : |
1820 kg |
|
|
Weight in action : |
4820 kg |
|
|
Weight of the limber : |
630 kg
(empty) – 1010 kg (loaded) |
|
|
Weight in marching order : |
6380 kg |
|
|
Weight of the gun wagon : |
1200 kg
(empty) – 4300 kg (loaded) |
|
|
Weight of the carriage wagon : |
1200 kg
(empty) – 3380 kg (loaded) |
|
|
Weight of the wedges : |
175 kg |
|
|
Weight of the 1st platform wagon : |
990 kg
(empty) – 3260 kg (loaded) |
|
|
Weight of the 2nd platform wagon : |
1100 kg
(empty) – 3080 kg (loaded) |
|
|
Weight of the ammo wagon 02 : |
1076 kg
(empty) – 3350 kg (loaded) |
|
|
Weight of the ammo wagon 01 and 94 : |
880 kg
(empty) |
|
|
Barrel length : |
2110 mm –
7.2 calibres |
|
|
Rifling |
length : |
1529 mm |
|
twist : |
from 35 to
15 calibres |
|
|
inclination : |
5° 7’ 45” to
11° 50’ |
|
|
Barrel grooves |
number : |
64 |
|
width : |
6.85 mm |
|
|
depth : |
1.5 mm |
|
|
Width of the lands : |
3.5 mm |
|
|
Height of the line of fire : |
1125 mm |
|
|
Battering charges : |
3.1
kg Wurfpulver (12x12x2) + 30 g n.Gew.P.
71 |
|
|
2.8
kg Wurfpulver (10x10x1.5) + 30 g n.Gew.P. 71 |
||
|
2.86
kg Wurfpulver (10x10x1.1) + 30 g n.Gew.P. 71 |
||
|
Shells |
|
|
|
21cm-Gr. 83 |
weight : |
144.5 kg –
charge 21.5 kg of Granatfüllung 88 |
|
length : |
L/4.9 |
|
|
fuze : |
Gr. Z. 04 |
|
|
muzzle velocity : |
308 m/s |
|
|
max. range : |
6800 m |
|
|
21cm-Gr. 88 |
weight : |
83 kg –
charge 5.7 kg of Granatfüllung 88 |
|
length : |
L/2.5 |
|
|
fuze : |
Gr. Z. 04 |
|
|
muzzle velocity : |
350 m/s |
|
|
max. range : |
8200 m with
the 10th charge |
|
|
21cm-Gr. 96 |
weight : |
120 kg –
charge 17.58 kg of Füllpulver
02 |
|
length : |
L/4 |
|
|
fuze : |
Bod. Z. 06 |
|
|
muzzle velocity : |
308 m/s |
|
|
max. range : |
7000 m with
the 7th charge |
|
|
21cm-Gr. 14 |
weight : |
83 kg –
charge 7.7 kg of Füllpulver 60/40 |
|
fuze : |
Gr. Z. 04 or
Gr. Z. 04/14 |
|
|
muzzle velocity : |
350 m/s |
|
|
max. range : |
8200 m with
the 10th charge |
|
|
21cm-Gr. 14 A |
weight : |
83 kg –
charge 6.3 kg of Füllpulver 60/40 |
|
fuze : |
Gr. Z. 04 or
Gr. Z. 04/14 |
|
|
muzzle velocity : |
350 m/s |
|
|
max. range : |
8200 m with
the 10th charge |
|
|
21cm-Gr. 17 |
weight : |
120 kg –
charge 13.7 kg Granatfüllung 88 |
|
fuze : |
Kz.
Bod. Z. 10 |
|
|
muzzle velocity : |
308 m/s |
|
|
max. range : |
7000 m with
the 7th charge |
|
|
Elevation : |
+ 70° / + 6° |
|
|
Traversing angle : |
= |
|
|
Wheels |
height : |
1568 mm
(road wheels) 630 mm
(firing wheels) |
|
track : |
1548 mm |
|
|
Transport : |
drawn by
horses dismantled in two loads |
|
|
Remarks : Heavy mortar
without recoil system, wedge breech mechanism. It fired from a wooden
platform and used ten different battering charges. In marching order it exchanged its firing wheels with greater road
wheels. In firing order it used return wheels. This
mortar was not used by the Bulgarian Army. |
||
|
|
