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EE-9 Cascavel Magro 37mm (Skinny Rattlesnake)
Introduction
The EE-9 Cascavel with a 37 mm cannon is an initial version of the armored reconnaissance vehicle developed in Brazil by Engesa, based on the experience acquired by the Brazilian Army with the use of the M8 Greyhound, a 6x6 armored vehicle from World War II. The development of the Cascavel aimed to create a national vehicle capable of meeting the operational needs of the Army, reducing dependence on imports and adapting to the specific conditions of Brazilian terrain and climate.
The variant equipped with a 37 mm cannon was one of the first models produced, primarily intended for reconnaissance and light fire support. This version used the M6 37 mm cannon, a weapon already considered obsolete for combat against more modern armored vehicles, but still useful against light targets and in patrol missions. The 37 mm EE-9 Cascavel marked the beginning of a series of evolutions that would lead to the development of more advanced versions of the armored vehicle, equipped with larger caliber cannons, such as the 90 mm, which became the standard for this type of vehicle in the Brazilian Armed Forces.
The nickname “Cascavel Magro” (“Skinny Cascavel”) was given to one of the early versions of the EE-9 Cascavel, equipped with a 37 mm cannon. The term “magro” (skinny) refers to its relatively light weight and less robust profile compared to later versions that were fitted with larger caliber cannons, like the 90 mm, and had significant improvements in armor and armament. The “Cascavel Magro” maintained a lighter configuration to favor mobility and reconnaissance functions but had limited combat capabilities.
Turret
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| Specification | Description |
|---|---|
| Turret Design | Based on the M3 Stuart turret, lengthened to accommodate radios in the bustle. |
| Hatches | Two main hatches, similar to previous designs (VBB-1 and CRR), with machine gun mount. |
| Periscopes | Installed for both driver and gunner around their respective hatches. |
| Antenna | Located on the right rear of the turret. |
| Vision Hatches | Openable hatches with vision sights on both sides of the turret. |
| Storage Basket | Mounted around the entire turret bustle for stowage. |
| Crew Positions | Commander on the left, gunner on the right. |
| Armor (Estimated) | Front: 51 mm (2 in) at 14°; Gun shield: 38 mm (1.5 in); Sides and rear: 32 mm (1.26 in); Top: 13 mm (0.5 in). |
Armament
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| Specification | Description |
|---|---|
| Main Armament | 37 mm M6 cannon |
| Cannon Length | Total: 2.1 meters (6.9 feet); Bore: 1.98 meters (6.5 feet) |
| Penetration Capability | 53 mm at 455 meters (500 yards) at 30°; 46 mm at 915 meters (1,000 yards) at 30° |
| Ammunition Types | M51 APC, M74 AP, M63 HE, M2 canister rounds |
| Secondary Armament | 7.62 mm coaxial machine gun, .50 caliber M2 machine gun on turret top |
| Ammunition Capacity | 43 rounds (37 mm), 400 rounds (.50 caliber), 1400 rounds (7.62 mm) |
Hull
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| Specification | Description |
|---|---|
| Material | Welded bimetal steel plates |
| Hull Armor Thickness | Front: 16 mm at 60°; Sides/Rear: 8.5 mm; Top/Bottom: 6.5 mm |
| Protection | Resistant to .50 caliber rounds (unknown range); 7.62 mm AP at 100 m; 7.62 mm standard rounds at 50 m |
| Hull Features | Mudguards, external headlights, foldable windshield, ventilation inlets, siren, and rear ventilation grille |
| Driver Controls | Steering wheel, gear stick (right), instrument panel (left), pedals: acceleration (right), brake (left), clutch (left side of steering wheel) |
Engine and mobility
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| Specification | Description |
|---|---|
| Dimensions (L-W-H) | 5 m x 2.3 m x 2.3 m (16.4 x 7.5 x 7.5 ft) |
| Total Weight | 11 tonnes (12 US tons) |
| Crew | 3 (Driver, commander, gunner) |
| Propulsion | Mercedes OM352A engine, 172 hp |
| Suspension | Boomerang suspension |
| Speed (road) | 95 km/h (59 mph) |
| Operational Range | 700 km (435 miles) |
| Main Armament | 37 mm M6 cannon |
| Secondary Armament | .30 caliber coaxial machine gun, .50 caliber turret-top machine gun |
| Armor | Hull: Front 16 mm, Sides 8 mm, Rear 8 mm, Top 6.5 mm, Floor 6.5 mm; Turret: Front 51 mm, Gun Mantlet 38 mm, Sides 32 mm, Rear 32 mm, Top 13 mm |
| Production | At least 9, up to 100 units |
Source
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Engesa EE-9 Cascavel 40 anos de combates 1977-2017 – Expedito Carlos Stephani Bastos
CRM and EE-9 M2 37 mm - Tank Encyclopedia
https://www.youtube.com/watch?v=-DJl4yK2Ag8
Procurando imagens do EE-9 Cascavel "Magro". | Webkits Modelismo
Images
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