Krupp 75mm field gun M. 1886

Bulgarian designation :75-мм нескорострелно полско оръдие “Круп”Turkish designation :7,5/27 sm. mantelli süvari sahra topRomanian designation :Tunul “Krupp” calibrul 75 mm, model 1880Krupp designation :8cm Feldkanone C/80Calibre :75mm L/27Weight of the barrel :300 kgWeight of the breech :26 kgWeight of the carriage :550 kgWeight in action :850 kgWeight of the limber :460 kg (empty) – 775 kg (loaded)Weight in marching order :1625 (loaded)Weight of the ammo wagon :1882 kg (loaded)Barrel length :2000 mmLength of the bore :1795 mmLength of twist :2700 mm – 36 calibresBarrel groovesnumber :24depth :1.25 mmwidth :7.00 mmBattering charge :1 kg of black powder (Grobkörniges Art.-Pulver)340 g of Russian pyroxylin smokeless powder П.К.О.333 g of 4x4x1 scaly nitroglycerine powder D.R.P.Common shellweight :4.3 kg – charge: 100 glength :185 mmmax. range :6100 mShrapnel C/88weight :4.355 kg – charge : 55 g of black powder85 bullets x 15 glength :153 mmfuze :time – graduated up to 10’max. range :2600 mShrapnel C/91weight :4.355 kg – charge : 60 g of black powder170 bullets x 11 glength :153 mmfuze :time and percussion – graduated up to 15”max. range :4400 mCase shotweight :4.45 kg – 69 balls4.9 kg – 165 bullets4.9 kg – 204 bulletsmax. range :400 mMuzzle velocity :460 m/sRemaining velocity :234 m/s at 3000 m with shrapnel189 m/s at 6000 m with common shellAngle of descent :at 100 m – 0° 9’at 500 m – 0° 53’at 1000 m – 2° 08’at 1500 m – 3° 53’at 2000 m – 6° 07’at 2500 m – 8° 42’at 3000 m – 11° 46’at 3500 m – 15° 16’at 4000 m – 19° 11’at 5000 m – 28° 25’at 6000 m – 40° 54’Length of the line of sight :925 mmElevation :+ 25° / + 8°Track :1.528 mTransport :drawn by six horseAmmunition :carriage - 1 case shotlimber - 24 shells, 12 shrapnel, 2 case shotsammunition wagon - 48 shells, 60 shrapnel, 2 case shots6 ammunition wagons for every six guns batteryRemarks :Slow firing field gun, cylindro-prismatic wedge breech mechanism with an expanding steel obturation ring. It was fitted with a direct fire sight and aiming circle. It was modernised to use smokeless powder, but the rapidity of fire was not very great. It was adopted also by the Romanian and Turkish Army.