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The SdKfz 231 Schwere Panzerspähwagen was an Armoured Car designed in 1929, manufactured by Daimler Benz/Bussing NAG, it was based on the 6 x 4 drive 6 Wheel Armoured chassis and was in use from 1932 to 1941. It was commonly called a 6 rad - Daimler Benz/Bussing NAG. |
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| General Details (Armoured Car) |
|---|
| | Specifications | | Operational Date(s) | 1932 - 1941 | | Ordnance classification | SdKfz 231 | | Quantity Produced | 50 | | Weight | 5.35 tonne | | Crew | 4 | | M.G's small | 1 | | M.G's large(>10mm) | n/a | | Length | 5.62 mtr | | Width | 1.81 mtr | | Height | 2.25 mtr | | Engine Details/Performance | | Max Road Speed | 44 mph | | Max Cross Country Speed | 6 mph | | Range Road | 188 miles | | Range Cross Country | 56 miles | | Fuel Type | Petrol | | Fuel Capacity | unknown | | Horse Power | 65 hp | | Power/Weight | 12 hp/tonne | | | General Information | The SdKfz 231 Schwere Panzerspähwagen was an Armoured Car designed in 1929, manufactured by Daimler Benz/Bussing NAG, it was based on the 6 x 4 drive 6 Wheel Armoured chassis and was in use from 1932 to 1941. It was commonly called a 6 rad - Daimler Benz/Bussing NAG.
The vehicle was powered by Daimler Benz 'MO9' petrol powerplant producing 65 HP which could drive the vehicle on roads at up to 44 mph with a range of about 188 miles before refuelling. Its cross country performance was adequate providing a max speed of about 6 mph and a range of about 56 miles.
It was armed with 1 light machine gun , a 7.92mm MG 13. Its main armament consisted of a 2.0cm KwK 30 L/55 weighing 0.132 kg and with a maximum range of 2,000 metres.
The Sdkfz 231 was the first heavy armoured car developed by Germany before World War II and was based on a modified 6 x 4 truck chassis.
The vehicle had a rear driving position therefore could be driven backwards.
The Daimler Benz or Bussing Nag versions were armed with a 2cm Kwk 30 L/55 gun in the rotating turret. | |
| | Turret | | Front | | 8mm | @ | 0° | (8mm) | | Side | | 8mm | @ | 30° | (9mm) | | Rear | | 8mm | @ | 30° | (9mm) | | Top | | 5mm | @ | 75° | (5mm) |
| | Superstructure | | Front | | 8mm | @ | 25° | (9mm) | | Side | | 8mm | @ | 37° | (10mm) | | Rear | | 8mm | @ | 30° | (9mm) | | Top | | 5mm | @ | 80° | (5mm) |
| | Hull | | Front | | 8mm | @ | 25° | (9mm) | | Side | | 8mm | @ | 35° | (10mm) | | Rear | | 8mm | @ | 25° | (9mm) | | Top | | 5mm | @ | 80° | (5mm) |
| | Armour (x)mm @ (y)° (Effective mm @ 0°) | | Effective Armour - Maximum 10 mm - Minimum 5 mm |
| | Weapon Details |
|---|
|
2.0cm KwK 30 L/55
2.0cm Kampfwagenkanone 30 L/55
(translates as Tank Gun) |
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| Ammunition Details |
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| Name/Id |
Calibre Weight MVelocity |
Explosive Content |
|
2.0cm PzGr 39
(AP Armor Piercing)
|
20mm 0.12Kg 899M/Sec | |
| Quoted Penetration 23mm @ 100mtr/30° ( ? 26mm/0?) |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
|---|
| Flight Time(Secs) |
0.11 |
0.22 |
0.45 |
0.89 |
1.34 |
1.78 |
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|
|---|
| Penetration(mm@30°) |
35 |
32 |
29 |
24 |
20 |
16 |
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| Penetration(mm@0°) |
41 |
38 |
34 |
29 |
24 |
19 |
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| Hit Probability(%) |
74 |
74 |
74 |
70 |
62 |
52 |
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|
2.0cm PzGr 40
(APCR Armor Piercing Composite Rigid)
|
20mm 0.115Kg 1060M/Sec | |
| Quoted Penetration 40mm @ 100mtr/0° |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
|---|
| Flight Time(Secs) |
0.09 |
0.19 |
0.38 |
0.75 |
1.13 |
1.51 |
|
|
|---|
| Penetration(mm@30°) |
40 |
37 |
34 |
29 |
25 |
20 |
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| Penetration(mm@0°) |
46 |
43 |
39 |
34 |
29 |
24 |
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| Hit Probability(%) |
74 |
74 |
74 |
72 |
67 |
59 |
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|
2 cm Sprgr. 39
(HE High Explosive)
|
20mm 0.132Kg 995M/Sec | 0.006Kg explosive |
| Maximum Range not shown as gun elevation is limited |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
|---|
| Flight Time(Secs) |
0.1 |
0.22 |
0.46 |
1.04 |
1.71 |
2.47 |
3.29 |
4.14 |
|---|
| lateral dispersion means the side to side variation of the shell from the aiming point |
|---|
| 50%(CEP) of shells land within +/- (mtr) |
0.12 |
0.12 |
0.12 |
0.21 |
0.32 |
0.43 |
0.53 |
0.00 |
|---|
| 80% of shells land within +/- (mtr) |
0.15 |
0.15 |
0.15 |
0.27 |
0.41 |
0.55 |
0.68 |
|
|---|
| 95% of shells land within +/- (mtr) |
0.24 |
0.24 |
0.24 |
0.41 |
0.63 |
0.84 |
1.04 |
|
|---|
| range dispersion means the back to front variation of the shell from the aiming point |
|---|
| 50%(CEP) of shells land within +/- (mtr) |
0.15 |
0.15 |
0.15 |
0.27 |
0.40 |
0.53 |
0.67 |
|
|---|
| 80% of shells land within +/- (mtr) |
0.19 |
0.19 |
0.19 |
0.35 |
0.51 |
0.68 |
0.86 |
|
|---|
| 95% of shells land within +/- (mtr) |
0.29 |
0.29 |
0.29 |
0.53 |
0.78 |
1.04 |
1.31 |
|
|---|
| Direct Fire |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 |
|---|
| Flight Time(Secs) |
0.11 |
0.22 |
0.48 |
1.11 |
1.85 |
2.68 |
3.54 |
|
|---|
| Hit Probability(%) |
74 |
74 |
74 |
67 |
52 |
28 |
11 |
|---|
| Blast/Fragmentation Effects |
| Burst radius Infantry in open 99% kill | 0 mtr |
Burst radius Infantry in open 66% kill | 0 mtr |
|---|
| Burst radius Infantry in open 33% kill | 1 mtr |
Armour Penetration inc roof at 1 mtr | 0 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. |
| Weapon Details |
|---|
|
7.92mm MG 13
7.92mm Maschinengewehr 13
(translates as Machine Gun) |
|
|
| Ammunition Details |
|---|
| Name/Id |
Calibre Weight MVelocity |
Explosive Content |
|
S.m.K.H tungsten Cored MG
(AP40 Armour Piercing Tungsten Cored)
|
8mm 0.013Kg 875M/Sec | |
| Quoted Penetration 19mm @ 100mtr/0° |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
|---|
| Flight Time(Secs) |
0.11 |
0.23 |
0.46 |
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| Penetration(mm@30°) |
7 |
6 |
5 |
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| Penetration(mm@0°) |
9 |
7 |
6 |
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| Hit Probability(%) |
74 |
74 |
74 |
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S.m.K
(BALL Standard Small Arms)
|
7.92mm 0.012Kg 785M/Sec | |
| Quoted Penetration 8mm@100m/30° |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
|---|
| Flight Time(Secs) |
0.13 |
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| Penetration(mm@30°) |
1 |
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| Penetration(mm@0°) |
2 |
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| Hit Probability(%) |
74 |
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About Penetration Figures
All penetration figures in this database are calculated to a common standard
based on German WWII testing criteria (complete penetration with functioning fuze).
This allows direct comparison between all nations' guns.
Original national test figures would be higher for some nations due to different criteria:
- German: 1.00? (baseline - strictest)
- British: 1.02? (slightly looser)
- American: 1.05? (50% mass through plate)
- Soviet: 1.10? (75% mass through plate)
For example, a Soviet gun showing 159mm here would be published as ~175mm in Soviet documents,
and a German gun showing 120mm would be published as 120mm in German documents.
The 159mm figure is directly comparable to the German 120mm - the Soviet gun really was more powerful.
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| National Testing Standards |
|---|
| German: | 1.00? - Complete penetration, fuze functions (strictest) |
| British: | 1.02? - Complete penetration |
| American: | 1.05? - 50% of shell mass through plate |
| Soviet: | 1.10? - 75% of shell mass through plate |
|
All database figures are normalized to German standard for direct comparison.
Multiply by the factor above to see original national test figures.
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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.
© WWIITanks 1980-2026
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