When at the beginning 1944 , there were problems with the release of powerful guns ISU-152 because of the lack of heavy guns ML-20, the idea to create a similar installation to the gun body arr. 1931/37 gg. Gun mounted under the guise of head-chopping sheet offset to starboard, On the left is the place of the driver. As a result, the new self-propelled gun, Considering the large initial speed of 122 mm armor-piercing projectile, It has become even more effective anti-tank weapons, What ISU-152.
Ammunition SAU increased to 30 shots, and its only significant drawback was the low rate of separate loading gun. The problem was solved by installing a 122-mm tank gun D-25, created by the time design team F.F. Petrova. cannon sample 1944 year had a muzzle brake and vertical wedges with a semi-automatic mechanism. Rate another self-propelled, designated ISU-122C, increased from 2 to 4 rounds per minute. For protection against air attack on the roof of the cabin placed zenith 12.7mm DShK. The fire control system includes telescopic and panoramic sights.
Tactic-technical characteristics SAU ISU-122
Crew, people. | 5 |
combat weight, t | 46 |
Length, m | 9,85 |
Width, m | 3,07 |
Height, m | 2,48 |
weaponry | 122-mm gun D-25 (A-19), 12,7-mm machine gun DSK |
Engine | In-2IS, diesel, mightily. 520 HP. |
full speed, kmh | 35 |
Power reserve, km | 145 |
booking, mm | housing forehead 60-90 mm body board 75 mm Stern 60 mm Roof 30 mm Bottom 20 mm |
Foto SAU ISU-122 – 1-Second Ukrainian Front, 1945 year
SAU ISU-122 in Berline, It goes past the column of German POW
SAU ISU-122S in plantations. Hungary.
ACS ISU-122 at crossing river. 1945 year.