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Germany - 7.5cm Kwk 42 L/70
7.5cm Kampfwagenkanone 42 L/70
(translates as Tank Gun)

Showing the details of the shells used(where known)
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Weapon Details
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7.5cm Kwk 42 L/70
7.5cm Kampfwagenkanone 42 L/70
(translates as Tank Gun)
Blank
History
As the war progressed there was an increasing requirement to have harder hitting anti tank guns with higher velocity shells, this required an increase in length of the standard 75mm Pak 39/40 from L/48 to L/60.

The 7.5cm Kwk 42 was a version provided for tanks, specifically the Panther and was semi automatic with electric firing.
Calibre75mm
LengthL/70
 
7.5cm Pzgr 39/42(APCBC)
75mm 6.8Kg 935M/Sec
Quoted Penetration 141mm@400m/30°
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.11 0.22 0.45 0.97 1.56 2.24 3.03 3.97
Penetration(mm@30°) 169 156 141 122 104 88 73 59
Penetration(mm@0°) 196 181 163 141 121 102 85 69
Hit Probability(%) 98 98 98 98 85 57 25 22


 
7.5cm Pzgr 40/42(APCR)
75mm 4.8Kg 1120M/Sec
Quoted Penetration 150mm@1000m/30°
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.09 0.19 0.39 0.84 1.39 2.05 2.87 3.92
Penetration(mm@30°) 232 213 189 161 134 109 88 68
Penetration(mm@0°) 268 246 219 186 155 127 102 79
Hit Probability(%) 98 98 98 98 90 64 34 22

Vehicles in our database using this gun
Vehicle NameCommon Name
 PzKpfw V Ausf A (Panther) SdKfz 171Panther 
 

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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