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USSR
SU-122

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General Details
Specifications
Operational Date(s)1943
Ordnance classification
Quantity Produced0
Weightunknown
Crew4
M.G's smalln/a
M.G's large(>10mm)n/a
Length6.95 mtr
Width3.26 mtr
Height2.65 mtr
Engine Details/Performance
Max Road Speed27 mph
Max Cross Country Speed15 mph
Range Road210 miles
Range Cross Countryunknown
Fuel TypeDiesel
Fuel Capacityunknown
Horse Power600 hp
Power/Weightunknown
General Information

Armour Details
Turret
Frontn/a
Siden/a
Rearn/a
Topn/a
Superstructure
Front45mm@45°(64mm)
Side45mm@45°(64mm)
Rear45mm@45°(64mm)
Top20mm@90°(20mm)
Hull
Front45mm@45°(64mm)
Side45mm@(45mm)
Rear45mm@(45mm)
Top20mm@90°(20mm)
Armour (x)mm @ (y)° (Effective mm @ 0°)
Effective Armour - Maximum 64 mm - Minimum 20 mm



Weapon Details
Flag
122mm Corps Gun M1931/1937 A19 L/45 Blank
Manufactured1938 - unknown
Calibre122mm
LengthL/45
 
Ammunition Details
Name/Id Calibre Weight MVelocity Explosive Content
AP(AP)
122mm 21.7Kg 800M/Sec
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.13 0.25 0.52 1.07 1.66 2.3 2.99 3.73
Penetration(mm@30°) 183 173 160 146 132 119 106 94
Penetration(mm@0°) 212 200 185 169 153 138 123 109
Hit Probability(%) 98 98 98 98 81 57 29 22

Hit probability is based on a static 2 x 2.4 metre panel at 0 degrees(vertical) at the range specified.

The data that has been used to create these records has come from Wikipedia, The Lone Sentry, The Bundes Archive and numerous books and websites that have provided the detailed information that has not been available anywhere else. The information we use to calculate the penetration tables, flight times and the hit probability comes from the Gun Calibre, the Shell Mass(Kg) and the muzzle velocity, plus range reductions to allow for gravity and wind resistance. This calculation originally came from a pre-war Krupp calculation which has been modified, and seems to fit the actual test results.

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