Continental AV1790

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Restored Continental AV1790-5B tank engine at the (now closed) American Armored Foundation Tank Museum in Danville, Virginia Continental AV-1790-5B.JPG
Restored Continental AV1790-5B tank engine at the (now closed) American Armored Foundation Tank Museum in Danville, Virginia

The Continental AV1790 is an American V12 engine used in armored vehicles. Produced by Continental Motors, the AV1790 was used in a variety of limited production and pilot heavy tanks, including the M53 and M55 howitzers, and the T30 and M103 tanks.

Contents

There were also diesel versions (AVDS, [1] Air Cooled, V-engine configuration, Diesel, Superturbocharged) for the M47, M48, and M60 Patton tanks, and the Swedish Stridsvagn 104 (British-built Centurions, re-engined with diesel engines in the 1980s).

Engines prefixes

The engine prefixes are:

Specifications

General characteristics
Type:90 degree four-stroke V12
Bore:5.75 in (146.05 mm)
Stroke:5.75 in (146.05 mm)
Displacement: 1791.7 cu in (29 361 cc)
Cooling:forced air cooling

Gasoline versions

AV-1790-3AV-1790-5CAV-1790-7C
Power output (gross)810 hp at 2800 rpm810 hp at 2800 rpm810 hp at 2800 rpm
Power output (net)704 hp (525 kW) at 2800 rpm650 hp (485 kW) at 2400 rpm690 hp (515 kW) at 2800 rpm
Torque (net):1,440 pound-feet (1,950 N⋅m) at 2200 rpm1,250 pound-feet (1,690 N⋅m) at 2100 rpm1,410 pound-feet (1,910 N⋅m) at 2200 rpm
BSFC
Power-to-weight ratio
Supercharger no
Fuel system carburetor
Fuel type80 octane gasoline (petrol)80 octane gasoline80 octane gasoline
Ignition magneto
Compression ratio 6.5:1
Dry weight2332 lb (1058 kg)2554 lb (1158 kg)2647 lb (1200 kg)

Diesel versions

DesignationWeight, dryHorsepower, grossHorsepower, netTorque, grossTorque, netCompression ratioInduction turbocharged airflowFuel typeFuel consumption (at 2400 RPM)UseNote
AVDS-1790-2A4,700  lb (2,100  kg )750 hp (560 kW)

at 2,400 rpm

643 hp (479 kW)

at 2,400 rpm

1,750 lb⋅ft (2,370 N⋅m)

at 1,900 rpm

1,575 lb⋅ft (2,135 N⋅m)

at 1,750 rpm

16:12075 cfmDF-A, DF-1, DF-2296 lbs / hourM60, M60A1, M728, M60 AVLB, retrofitted to M47 & M48original series
AVDS-1790-2ACfor Centurion
AVDS-1790-2ARM88
AVDS-1790-2C [2] 4,900 pounds (2,200  kg )M60A1, M60A3, M60 AVLB
AVDS-1790-2D [3] 4,880 pounds (2,210  kg )M60, M60A1, retrofitted to M48A3 & M48A5
AVDS-1790-2DR [4] M88A1
AVDS-1790-2CCfor Centurion
AVDS-1790-2DC4,876 pounds (2,212  kg )for Centurion
AVDS-1790-5A4,900 pounds (2,200  kg )908 hp (677 kW)

at 2,400 rpm

775 hp (578 kW)

at 2,400 rpm

2,150 lb⋅ft (2,920 N⋅m)

at 2000 rpm

14.5:12,200 cfm380 lbs / hourMerkava Mk. I, Magach 7
AVDS-1790-6AMerkava Mk. II, Nakpadon
AVDS-1790-7A950 hp (710 kW)Merkava Mk. II
AVDS-1790-8A5,100 pounds (2,300  kg )1,050 horsepower (780 kW)

at 2,400 rpm

892 hp (665 kW)

at 2,400 rpm

2,500 lb⋅ft (3,400 N⋅m)

at 1,900 rpm

2,450 cfm430 lbs / hour
AVDS-1790-8CRM88A2
AVDS-1790-9A5,100 pounds (2,300  kg )1,200 hp (890 kW)

at 2,400 rpm

1,000 hp (750 kW)

at 2,400 rpm

2,820 lb⋅ft (3,820 N⋅m)

at 1,900 rpm

2,800 cfm480 lbs / hour
AVDS-1790-9ARMerkava Mk. III
AVDS-1790 15005,000 pounds (2,300  kg )1,500 hp (1,100 kW)

at 2,600 rpm

3,635 lb⋅ft (4,928 N⋅m)

at 1,800 rpm

JP-8, DF-A, DF-1, DF-2570 lbs / hour


References

  1. ↑ "AVDS-1790 Family Technical Data". NSN Lookup. Retrieved 28 April 2015.
  2. ↑ "AVDS-1790-2C Technical Data". NSN Lookup. Retrieved 28 April 2015.
  3. ↑ "AVDS-1790-2D Technical Data". NSN Lookup. Retrieved 28 April 2015.
  4. ↑ "AVDS-1790-2DR Technical Data". NSN Lookup. Retrieved 28 April 2015.

Sources

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