Cromwell Tank – A27M Cruiser – Tank Encyclopedia

内容摘要：提供克伦威尔指挥车的完整英文技术面板，包括重量、尺寸、装甲厚度、武器配置等。

The Cromwell Tank, officially designated the A27M Cruiser, stands as a benchmark in British armored vehicle design during the mid-20th century. Developed to meet the demands of fast-paced, mobile warfare, the Cromwell was a synthesis of speed, firepower, and adequate protection. Below is a comprehensive technical specification panel for the Cromwell Command Tank variant, detailing its General Characteristics, Armament & Armor, and Engine & Mobility.

General Characteristics

The Cromwell Command Tank was a specialized variant of the standard Cromwell, equipped with additional radio equipment and map tables to facilitate battlefield command. Despite these internal modifications, its external dimensions and weight remained largely consistent with the standard model.

• Weight: 27.9 tonnes (approximately 28 tons combat loaded)
• Crew: 5 (Commander, Gunner, Loader/Operator, Driver, Hull Gunner/Radio Operator)
• Length: 6.35 meters (20 ft 10 in) overall including gun overhang
• Width: 2.91 meters (9 ft 6.5 in)
• Height: 2.49 meters (8 ft 2 in) to turret top
• Ground Clearance: 0.41 meters (16 in)
• Track Width: 0.39 meters (15.5 in)
• Fuel Capacity: 527 liters (139 US gallons) internal, plus optional external fuel drums
• Range: 265 km (165 miles) on roads; 130 km (80 miles) cross-country
• Fording Depth: 1.22 meters (4 ft) unprepared; 1.83 meters (6 ft) with preparation
• Trench Crossing: 2.29 meters (7.5 ft)
• Vertical Obstacle: 0.91 meters (3 ft)
• Gradient: 32 degrees (60%)

Armament & Armor

The Cromwell Command Tank typically mounted either the Ordnance QF 75 mm gun or the 95 mm howitzer for close support. The 75 mm gun provided a balanced anti-tank and high-explosive capability, while the 95 mm howitzer specialized in infantry support and bunker busting. The armor layout was optimized for sloped protection, a lesson learned from early war engagements.

• Main Armament:
  • Option A: Ordnance QF 75 mm gun (with 64 rounds of ammunition)
  • Option B: Ordnance QF 95 mm howitzer (with 48 rounds of ammunition)
• Secondary Armament: 2 x 7.92 mm Besa machine guns (one coaxial in turret, one hull-mounted; total 4,950 rounds)
• Smoke Dischargers: 2-inch (51 mm) smoke bomb thrower on turret roof (with 18 smoke grenades)
• Armor Thickness (mm):
  • Hull Front (Upper Glacis): 63 mm at 20 degrees from vertical
  • Hull Front (Lower Nose): 57 mm at 60 degrees from vertical
  • Hull Sides: 32 mm at 0 degrees
  • Hull Rear: 32 mm at 0 degrees
  • Turret Front (Mantlet): 76 mm rounded
  • Turret Sides: 63 mm at 10 degrees
  • Turret Rear: 57 mm at 0 degrees
  • Turret Roof: 20 mm
  • Hull Floor: 6 mm to 14 mm (front to rear)
• Armor Type: Rolled homogeneous armor (RHA), cast mantlet

Engine & Mobility

The defining feature of the Cromwell was its powerplant: the Rolls-Royce Meteor engine. This 27-liter V12 gasoline engine, derived from the famous Merlin aero engine, gave the Cromwell exceptional power-to-weight ratio and road speed, making it one of the fastest British tanks of its era. The Christie suspension system further contributed to its cross-country agility.

• Engine: Rolls-Royce Meteor V12 gasoline (petrol) engine
• Displacement: 27.0 liters (1,648 cubic inches)
• Power Output: 600 hp at 2,550 rpm
• Power-to-Weight Ratio: 21.5 hp/tonne
• Transmission: Merritt-Brown Z.5 gearbox (5 forward, 1 reverse)
• Steering: Controlled differential (Merritt-Brown triple differential system)
• Suspension: Christie type (independent coil springs with horizontal volute springs)
• Road Speed: 64 km/h (40 mph) on roads; 40 km/h (25 mph) cross-country
• Ground Pressure: 0.95 kg/cm² (13.5 psi)

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企业信息

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