Krupp 150mm howitzer M. 1905
Bulgarian designation :150-мм скорострелна гаубица Д-14 “Круп”Turkish designation :15/14 sm. sahra obüsüKrupp designation :15 cm schwere Positionhaubitze L/14 mit RohrrucklaufCalibre :149.1 mm L/14Weight of the barrel :870 kgWeight in action :2290 kgBarrel length :2.100 mShield thickness :4 mmBattering charge :W.P. 20x20x1,2 (Nitroglycerine smokeless powder)1st charge : 300 g2nd charge : 385 g3rd charge : 490 g4th charge : 610 g5th charge : 725 g6th charge : 945 gShell weight :41 kgH.E. Shell :41 kg – charge : 2.5 kgMine Shell :41 kg – charge : 8.85 kgShrapnel :41 kg – 1300 bullets x 16 gMuzzle velocity :1st charge : 140 m/s2nd charge : 170 m/s3rd charge : 200 m/s4th charge : 230 m/s5th charge : 260 m/s6th charge : 310 m/sMax. range :1st charge : 2500 m6th charge : 7100 mElevation :+ 43° / - 5°Traversing angle :5°Recoil :1200 mmTransport :drawn by six horsesRemarks :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