Rheinmetall heavy Minenwerfer

(new pattern)

 

 

 

 

German designation :

25cm sMW n/A

Calibre :

250mm L/5

Weight of the barrel :

192 kg

Weight of the carriage :

189 kg

Weight of the platform :

246 kg

Weight in action :

780 kg

Weight in marching order :

1077 kg

Barrel length :

1.090 m

Barrel grooves

number :

6

width :

34.44 mm

Height of line of fire :

1364 mm

Propellant :

350 g / 170 g

Shell weight :

97 kg bursting charge : 50 kg

Muzzle velocity :

60 m/s (with the lowest charge)

105m/s (with the highest charge)

Max. range :

290 m / 970 m

Elevation :

+ 75 / 45

Traversing angle :

16 / 360

Recoil :

350 mm

Track :

1.009 m

Rate of fire :

20 rounds per hour

Personell required :

28 men

Remarks :

Introduced in 1916. It fired also a gas shell, the lethal D-Stoff (with Phosgene).