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Canada
Grizzly I

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The Grizzly I based on the existing fully tracked Sherman and was in use from 1943.

Flag of World War 2 Canada

General Details
Specifications
Operational Date(s)1943
Ordnance classification
Quantity Produced0
Weightunknown
Crew5
M.G's small3
M.G's large(>10mm)n/a
Length6.18 mtr
Width2.66 mtr
Height3.02 mtr
Engine Details/Performance
Max Road Speed24 mph
Max Cross Country Speed13 mph
Range Road120 miles
Range Cross Country48 miles
Fuel TypePetrol
Fuel Capacity175 gal
Horse Power350 hp
Power/Weightunknown
General Information
The Grizzly I based on the existing fully tracked Sherman and was in use from 1943.

It was armed with 3 light machine guns. Its main armament consisted of a 75mm Gun M3 L/40 which could penetrate 92 mm of flat plate at 400 metres

The Grizzly I Cruiser tank was the Canadian built version of the Sherman II M4A1, with modifications to include 2in smoke mortar and the No 19 wireless set. The vehicle transmission sprocket was at the front, the track passed under 6 road wheels on three bogies to the rear idler, then return via 3 return rollers.

Armour Details
Turret
Front75mm@(75mm)
Side50mm@(50mm)
Rear50mm@(50mm)
Top25mm@90°(25mm)
Superstructure
Front50mm@45°(71mm)
Side50mm@(50mm)
Rear38mm@(38mm)
Top19mm@90°(19mm)
Hull
Front40mm@45°(57mm)
Side40mm@(40mm)
Rear38mm@(38mm)
Top19mm@90°(19mm)
Armour (x)mm @ (y)° (Effective mm @ 0°)
Effective Armour - Maximum 75 mm - Minimum 19 mm



Weapon Details
Flag
75mm Gun M3 L/40 Blank
Calibre75mm
LengthL/40
 
Ammunition Details
Name/Id Calibre Weight MVelocity Explosive Content
AP
(AP Armor Piercing)
75mm 6.32Kg 619M/Sec
Quoted Penetration 70mm@500m
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.16 0.33 0.68 1.45 2.31 3.29 4.41 5.7
Penetration(mm@30°) 95 88 79 70 61 52 45 38
Penetration(mm@0°) 110 102 92 81 71 61 52 44
Hit Probability(%) 98 98 98 88 54 25 15 3



HE M48
(HE High Explosive)
75mm 6.76Kg 625M/Sec 0.680Kg explosive
Maximum Range 5000 Mtr
Range(Mtr)10002000300040005000600070008000
Flight Time(Secs) 1.85 4.36 8 13.72 24.01 48.06 168.4
Direct Fire
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.16 0.33 0.68 1.43 2.29 3.25 4.36 5.65
Hit Probability(%) 98 98 98 88 57 25 15 3
Blast/Fragmentation Effects
Burst radius Infantry in open 99% kill3 mtr Burst radius Infantry in open 66% kill6 mtr
Burst radius Infantry in open 33% kill16 mtr  Armour Penetration inc roof at 1 mtr2 mm
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 16 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 2 mm of the tank armour including the roof.

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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