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Germany
3cm Flak 103/38
3cm Flugabwehrkanone 103/38
(translates as Anti Aircraft Gun)

Showing the details of the shells used(where known)
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Weapon Details
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3cm Flak 103/38
3cm Flugabwehrkanone 103/38
(translates as Anti Aircraft Gun)
Blank
photo of 3cm Flak 103/38 from 3cm Flak 103/38 from www.warrelics.eu
History
This was a bodge between the Reinmetal-Borsig 3cm Aircraft cannon and the 2cm Flak 38 mounting, not overly successful as the 2cm mounting couldn't handle the 3cm cannon stresses.
ManufacturerRheinmetal-Borsig
Manufactured1944 - 1945
Calibre30mm
LengthL/44
Rate of Fire400 rpm
 
3cm Pz Sprgr Patr
(AP Armor Piercing)
30mm 0.33Kg 800M/Sec
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.13 0.27 0.58 1.37 2.51 4.29
Penetration(mm@30°) 25 22 19 13 10 6
Penetration(mm@0°) 30 26 22 16 12 8
Hit Probability(%) 98 98 98 90 44 15



3cm M-Gesch Sprgr Patr
(HE High Explosive)
30mm 0.33Kg 860M/Sec 0.100Kg explosive
Maximum Range 5000 Mtr
Range(Mtr)10002000300040005000600070008000
Flight Time(Secs) 1.75 7.02
Direct Fire
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.12 0.25 0.54 1.27 2.33 4 7.02 14.14
Hit Probability(%) 98 98 98 93 54 22 2 0
Blast/Fragmentation Effects
Burst radius Infantry in open 99% kill3 mtr Burst radius Infantry in open 66% kill7 mtr
Burst radius Infantry in open 33% kill17 mtr  Armour Penetration inc roof at 1 mtr0 mm
An explosion within 3 mtr of infantry in the open will cause 99% casualties - lethal.
An explosion within 7 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's.
An explosion within 17 mtr of infantry in the open will cause 33% casualties.
The blast effect of this shell exploding within 1 mtr of an armoured vehicle will not cause any significant armour damage.



3cm Sprgr Patr
(HE High Explosive)
30mm 0.33Kg 860M/Sec 0.050Kg explosive
Maximum Range 5000 Mtr
Range(Mtr)10002000300040005000600070008000
Flight Time(Secs) 1.75 7.02
Direct Fire
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.12 0.25 0.54 1.27 2.33 4 7.02 14.14
Hit Probability(%) 98 98 98 93 54 22 2 0
Blast/Fragmentation Effects
Burst radius Infantry in open 99% kill2 mtr Burst radius Infantry in open 66% kill4 mtr
Burst radius Infantry in open 33% kill11 mtr  Armour Penetration inc roof at 1 mtr0 mm
An explosion within 2 mtr of infantry in the open will cause 99% casualties - lethal.
An explosion within 4 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's.
An explosion within 11 mtr of infantry in the open will cause 33% casualties.
The blast effect of this shell exploding within 1 mtr of an armoured vehicle will not cause any significant armour damage.

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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