Krupp 150mm howitzer M. 1905

Bulgarian designation :	150-мм скорострелна гаубица Д-14 “Круп”
Turkish designation :	15/14 sm. sahra obüsü
Krupp designation :	15 cm schwere Positionhaubitze L/14 mit Rohrrucklauf
Calibre :	149.1 mm L/14
Weight of the barrel :	870 kg
Weight in action :	2290 kg
Barrel length :	2.100 m
Shield thickness :	4 mm
Battering charge :	W.P. 20x20x1,2 (Nitroglycerine smokeless powder) 1^st charge : 300 g 2^nd charge : 385 g 3^rd charge : 490 g 4^th charge : 610 g 5^th charge : 725 g 6^th charge : 945 g
Shell weight :	41 kg
H.E. Shell :	41 kg – charge : 2.5 kg
Mine Shell :	41 kg – charge : 8.85 kg
Shrapnel :	41 kg – 1300 bullets x 16 g
Muzzle velocity :	1^st charge : 140 m/s 2^nd charge : 170 m/s 3^rd charge : 200 m/s 4^th charge : 230 m/s 5^th charge : 260 m/s 6^th charge : 310 m/s
Max. range :	1^st charge : 2500 m 6^th charge : 7100 m
Elevation :	+ 43° / - 5°
Traversing angle :	5°
Recoil :	1200 mm
Transport :	drawn by six horses
Remarks : Quick firing heavy howitzer with hydro-spring recoil system, single-motion wedge breech mechanism, traverse on pivot. It was equipped with dial sights, but not fitted for an independent line of sight. The Turkish Army bought three six-guns batteries in 1905. They were delivered in 1908. At the beginning of the Balkan War they were in Odrin, where they were captured by Bulgarian Army in 1913.

Turkish 150mm howitzer damaged by Bulgarian fire at Odrin