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The T18E2 Armoured Car, it was based on the 8 x 8 drive Armoured Car chassis and was in use from 1943. |
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| General Details (Armoured Car) |
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| | Specifications | | Operational Date(s) | 1943 | | Quantity Produced | 30 | | Weight | 26.8 tonne | | Crew | 5 | | M.G's small | 2 | | M.G's large(>10mm) | n/a | | Length | 6.31 mtr | | Width | 3.11 mtr | | Height | 2.65 mtr | | Engine Details/Performance | | Max Road Speed | 50 mph | | Max Cross Country Speed | 25 mph | | Range Road | 250 miles | | Range Cross Country | 112 miles | | Fuel Type | Petrol | | Fuel Capacity | unknown | | Horse Power | 250 hp | | Power/Weight | 9 hp/tonne | | | General Information | The T18E2 Armoured Car, it was based on the 8 x 8 drive Armoured Car chassis and was in use from 1943.
The vehicle was powered by GMC '2 x GMC 6-cylinder' petrol powerplant producing 250 HP which could drive the vehicle on roads at up to 50 mph with a range of about 250 miles before refuelling. Its cross country performance was good providing a max speed of about 25 mph and a range of about 112 miles.
It was armed with 2 light machine guns which were 0.3 inch Browning Machine Gun M1919A4s. Its main armament consisted of a 57mm Antitank Gun M1 weighing 3.000 kg and with a maximum range of 5,030 metres.
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| | Turret | | Front | | 51mm | @ | 0° | (51mm) | | Side | | 32mm | @ | 15° | (33mm) | | Rear | | 32mm | @ | 10° | (32mm) | | Top | | 25mm | @ | 90° | (25mm) |
| | Superstructure | | Front | | 51mm | @ | 45° | (72mm) | | Side | | 32mm | @ | 0° | (32mm) | | Rear | | 32mm | @ | 0° | (32mm) | | Top | | 25mm | @ | 90° | (25mm) |
| | Hull | | Front | | 51mm | @ | 0° | (51mm) | | Side | | 32mm | @ | 0° | (32mm) | | Rear | | 32mm | @ | 0° | (32mm) | | Top | | 25mm | @ | 90° | (25mm) |
| | Armour (x)mm @ (y)° (Effective mm @ 0°) | | Effective Armour - Maximum 72 mm - Minimum 25 mm |
| | Weapon Details |
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57mm Antitank Gun M1
(Anti Tank Gun) |
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| Ammunition Details |
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| Name/Id |
Calibre Weight MVelocity |
Explosive Content |
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Shot, AP, Mks 1 to 7
(AP Armor Piercing)
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57mm 2.86Kg 853M/Sec | |
| Quoted Penetration 68mm@915m |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.12 |
0.24 |
0.49 |
1.03 |
1.61 |
2.24 |
2.91 |
3.62 |
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| Penetration(mm@30°) |
95 |
92 |
85 |
74 |
64 |
56 |
48 |
42 |
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| Penetration(mm@0°) |
110 |
106 |
99 |
86 |
75 |
65 |
56 |
49 |
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| Hit Probability(%) |
88 |
88 |
88 |
79 |
61 |
49 |
34 |
13 |
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Shell, HE, Mk 10T
(HE High Explosive)
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57mm 3Kg 820M/Sec | ≈0.45Kg explosive |
| Maximum Range not shown as gun elevation is limited |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.12 |
0.25 |
0.51 |
1.08 |
1.69 |
2.36 |
3.07 |
3.82 |
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| lateral dispersion means the side to side variation of the shell from the aiming point |
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| 50%(CEP) of shells land within +/- (mtr) |
0.12 |
0.12 |
0.12 |
0.21 |
0.32 |
0.43 |
0.53 |
0.64 |
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| 80% of shells land within +/- (mtr) |
0.15 |
0.15 |
0.15 |
0.27 |
0.41 |
0.55 |
0.68 |
0.82 |
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| 95% of shells land within +/- (mtr) |
0.24 |
0.24 |
0.24 |
0.41 |
0.63 |
0.84 |
1.04 |
1.25 |
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| range dispersion means the back to front variation of the shell from the aiming point |
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| 50%(CEP) of shells land within +/- (mtr) |
0.15 |
0.15 |
0.15 |
0.27 |
0.40 |
0.53 |
0.67 |
0.80 |
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| 80% of shells land within +/- (mtr) |
0.19 |
0.19 |
0.19 |
0.35 |
0.51 |
0.68 |
0.86 |
1.02 |
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| 95% of shells land within +/- (mtr) |
0.29 |
0.29 |
0.29 |
0.53 |
0.78 |
1.04 |
1.31 |
1.57 |
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| Direct Fire |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.12 |
0.25 |
0.52 |
1.11 |
1.77 |
2.48 |
3.26 |
4.09 |
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| Hit Probability(%) |
88 |
88 |
85 |
79 |
61 |
49 |
22 |
7 |
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| Blast/Fragmentation Effects |
| Burst radius Infantry in open 99% kill | 3 mtr |
Burst radius Infantry in open 66% kill | 6 mtr |
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| Burst radius Infantry in open 33% kill | 17 mtr |
Armour Penetration inc roof at 1 mtr | 1 mm |
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| An explosion within 3 mtr of infantry in the open will cause 99% casualties - lethal. |
| An explosion within 6 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 penetrate 1 mm of the tank armour including the roof. |
| Weapon Details |
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0.3 inch Browning Machine Gun M1919A4
(Machine Gun) |
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| | Manufacturer | Browning |
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| | Manufactured | 1919 - 1945 |
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| | Calibre | 7.60mm |
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| | Length | L/80 |
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| | Rate of Fire | 480 rpm |
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| | Number of Rounds | 2500 |
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| Ammunition Details |
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| Name/Id |
Calibre Weight MVelocity |
Explosive Content |
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.30-06 Springfield
(BALL Standard Small Arms)
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7.62mm 0.012Kg 820M/Sec | |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.12 |
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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 |
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| 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 |
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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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![History This was the British 6pdr with an L/50 barrel, with muzzle brake. Manufactured1943 - 1960 Calibre57mm LengthL/50 Number of Rounds 60](javascript:launch("https://upload.wikimedia.org/wikipedia/commons/f/f0/Desert6Pdr.jpg")){kind=link}