Broadwell 6cm mountain gun
Bulgarian designation :6-см планинско оръдие система “Бродвел”Calibre :60mm L/20.8Weight of the barrel :106.59 kgWeight of the breech-block :10 kgWeight of the carriage :109 kgWeight in action :216 kgBarrel length :1.25 mLength of the bore :1130 mmBarrel groovesnumber :18depth :7.5 mmwidth :3 mmtwist :2100 mm – 46 calibresBattering charge :0.2 kg of black powderShell weight :2.30 kg – charge : 90 gCase shot weight :Muzzle velocity :300 m/sMax. range :Elevation :+ 21° / - 10°Transport :2 loads : 1 – barrel, 1 – carriage with axle and wheelsAmmunition box weight :10 kg – empty48 kg – loaded with 14 common shells, 2 case shots, 2 bags containing the battering charges and firing toolsRemarks :Turkish mountain gun captured in 1877-78. During the War against Russia, the Turkish mountain artillery is reported to be equipped with 5.5 cm bronze and steel breech-loader guns mounted on steel carriages. The Turkish gun may be identified with a Krupp 6 cm mountain gun exhibited at the Vienna International Exposition in 1873, equipped with the Broadwell breech mechanism.