340mm cannons M 1881/1884 were actually similar in design solution. Length 28-30 caliber guns with rifled barrel length of about 22 caliber. These guns were fire high-explosive ammunition weighing 432-465 pounds at the greatest distance to 18.5 km. Its weight guns — less than 52 tons, and the weight of the tool with w / e-platform was about 185-190 tons. For firing of guns on the r / w platform required to provide support. Compared to the 274mm caliber guns, increment the number of supports — now they were 7 units. A combat deployment r / w guns remained the same and was less than 35 minutes. Vertical angles guidance — up to 40 degrees, provided with horizontal displacement r / w guns on the decisions of a curved railway tracks.
When installing the 340mm caliber guns M1893 used the same solutions. The gun was mounted on a little modernized carriage, a rich 7 supports. The gun is also charged with coastal defense, although it is still quite a long range weapon. M1893 had a barrel length in 36.8 caliber and used a similar high-explosive ammunition. But the range of fire they were not in the example below — so high explosive ammunition weighing 432 pounds tool has sent to a range of nearly 27 km, high-explosive projectile weighing 465 pounds tool has sent to a range of 25.4 kilometers. Vertical angles pointing guns were 3-40 degrees. Horizontal viewing guidance is provided by the movement of r / w guns along curved decisions railway tracks. A fascinating feature of the installation tool on the M1893 w / e platform, final weight of the r / w guns. At greater length of guns and their little enormous weight of 53 tons, the weight of r / w gun was even smaller than that of r / w guns M1881 /1884 and amounted to 183 tons.
But w / e-platform has been developed for the guns of 274mm, 340mm caliber guns taking virtually exhausted its own structural supplies, and for the forthcoming increase in the caliber r / w based on the required brand new railway platform, why in this design was required to make significant changes.
The main properties of the 340mm guns:
— caliber — 340 mm;
— trunk M 1881 (1884) /1893 — 28-30/36.8 calibers;
— vertical angles pointing to 40 degrees;
— weight M 1881 (1884) / 1893 — 185-190/183 tons;
— ammunition — HE 432/465 kg;
— velocity of the projectile M 1881 (1884) / 1893 — 600/740 m / s;
— firing range M 1881 (1884) / 1893 to 20/27 km.
Sources disk imaging:
http://www.thefullwiki.org/340mm/28_Mod% C3% A8le_1881_gun