Krupp 105mm heavy gun M. 1905

Bulgarian designation :105-мм скорострелно оръдие Д-30Turkish designation :10,5/30 sm. seri ateşli muhasara topKrupp designation :10.5cm Belagerungskanone L/30Calibre :105mm L/30Weight in action :2835 kgWeight of the limber :520 kgBarrel length :3.150 mShield thickness :4 mmBattering charge :1550 g of smokeless powder (full charge)963 g of smokeless powder (reduced charge)1550/1570 g of smokeless powder (fixed ammunition)H.E. Shell weight :16 kg – charge : 700 g Fp. 0216 kg – 1150 g of Füllpulver 60/40Shrapnel weight :16 kg – 470 lead bullets x 15 g16 kg – 400 steel bullets x 15 gMuzzle velocity :538 m/s (full charge)378 m/s (reduced charge)Max. range :11000 m (full charge)7500 m (reduced charge)Elevation :+ 27° / - 5°Traversing angle :4°Ammunition :wagon limber - ? shells, wagon body - 32 shellsRemarks :Quick firing heavy gun, with hydro-spring recoil system, single-motion wedge breech mechanism, traverse on pivot. 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.The gun fires both fixed ammunition, with the propelling charge put into the cartridge-case, and separate ammunition, with the charges contained in pouches.

General Vazov in front of a Turkish105mm gun captured in Odrin105mm gun with its servants