Schneider-Canet 100mm naval gun M. 1898 

Bulgarian designation :100-мм оръдие Д-50 “Шнайдер”Schneider designation :Canon à tir rapide de 100mm de 50 calibres sur affût de bord et de côte à pivot centralCalibre :100mm L/50Weight of barrel :2000 kgWeight of the breech-block :35 kgWeight of the carriage :650 kgWeight of the frame :950 kgWeight of the platform :600 kgWeight of the shield :1500 kgWeight in action :5700 kgBarrel length :5 mNumber of barrel grooves :32Angle of twist of rifling :from 3° to 6°Cartridgeweight :4 kgheight :1050 mmshelled :23.5 kg with Prismatic brown powder21 kg with smokeless powder B.N.charge :6.5 kg of Prismatic brown powder3.25 kg of smokeless powder B.N.Common shell weight :13 kg – charge : 0.4 kgArmour piercing shell weight :13 kg – charge : 0.2 kgMuzzle velocity :730 m/s with Prismatic brown powder770 m/s with smokeless powder B.N.Max. range :8000 mElevation :+ 30° / - 7°Traversing angle :360°Recoil :270 mmRemarks :Naval gun (description). Bulgarian Navy bought four of these guns. Two were mounted on the torpedo gunboat Nadedzhda in 1900. But during Balkan Wars and WW1 they were removed from the ship and given to the coast artillery. Two more guns were stored probably as spare barrels and from 1912 were used for coast defence too.

The 100mm guns of the Balchik Coastal BatteryThe Nadedzhda at the Varna Naval Museum