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Germany - 2.8cm sPzB 41
2.8cm schwere Panzerbüchse 41
(translates as Heavy Anti Tank Rifle)

Showing the details of the shells used(where known)
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Weapon Details
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2.8cm sPzB 41
2.8cm schwere Panzerbüchse 41
(translates as Heavy Anti Tank Rifle)
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History
Highly effective squeeze bore Anti Tank weapon utilising a tungsten cored shell. The 28mm to 20mm squeeze bore gave the core a muzzle velocity of 1400 metres/second about 40% more than standard AP shells.
ManufacturerMauser-Werke
Manufactured1941 - 1942
Calibre28mm
LengthL/48
Rate of Fire15 rpm
 
2.8cm Pzgr Patr 41(AP40)
28mm 0.13Kg 1400M/Sec
Quoted Penetration 62mm @ 100mtr/30° ( ≈ 71mm/0°)
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.08 0.16 0.36 0.95 2.15 5.82
Penetration(mm@30°) 53 47 38 26 16 6
Penetration(mm@0°) 62 55 45 31 19 8
Hit Probability(%) 98 98 98 98 60 3



2.8cm Sprgr Patr 41(HE)
28mm 0.09Kg 1400M/Sec 0.005Kg explosive
Maximum Range 800 Mtr
Range(Mtr)10002000300040005000600070008000
Flight Time(Secs) 1.44
Burst radius Infantry in open 99% kill0 mtr Burst radius Infantry in open 66% kill0 mtr
Burst radius Infantry in open 33% kill1 mtr  Armour Penetration inc roof at 1 mtr0 mm
An explosion within 0 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's.
An explosion within 1 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.

Vehicles in our database using this gun
Vehicle NameCommon Name
 SdKfz 250/11 2.8cm sPzB41Self propelled A/T 
 

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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