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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.
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).
The engine prefixes are:
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 ccm) |
Cooling: | forced air cooling |
AV-1790-3 | AV-1790-5C | AV-1790-7C | |
---|---|---|---|
Power output (gross) | 810 hp at 2800 rpm | 810 hp at 2800 rpm | 810 hp at 2800 rpm |
Power output (net) | 704 hp (525 kW) at 2800 rpm | 650 hp (485 kW) at 2400 rpm | 690 hp (515 kW) at 2800 rpm |
Torque (net): | 1,440 pound-feet (1,950 N⋅m) at 2200 rpm | 1,250 pound-feet (1,690 N⋅m) at 2100 rpm | 1,410 pound-feet (1,910 N⋅m) at 2200 rpm |
BSFC | |||
Power-to-weight ratio | |||
Supercharger | no | ||
Fuel system | carburetor | ||
Fuel type | 80 octane gasoline (petrol) | 80 octane gasoline | 80 octane gasoline |
Ignition | magneto | ||
Compression ratio | 6.5:1 | ||
Dry weight | 2332 lb (1058 kg) | 2554 lb (1158 kg) | 2647 lb (1200 kg) |
Designation | Weight, dry | Horsepower, gross | Horsepower, net | Torque, gross | Torque, net | Compression ratio | Induction turbocharged airflow | Fuel type | Fuel consumption (at 2400 RPM) | Use | Note |
---|---|---|---|---|---|---|---|---|---|---|---|
AVDS-1790-2A | 4,700 pounds (2,100 kg ) | 750 horsepower (560 kW) at 2,400 rpm | 643 horsepower (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 | 16:1 | 2075 cfm | DF-A, DF-1, DF-2 | 296 lbs / hour | M60, M60A1, M728, M60 AVLB, retrofitted to M47 & M48 | original series |
AVDS-1790-2AC | for Centurion | ||||||||||
AVDS-1790-2AR | M88 | ||||||||||
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-1790-2CC | for Centurion | ||||||||||
AVDS-1790-2DC | 4,876 pounds (2,212 kg ) | for Centurion | |||||||||
AVDS-1790-5A | 4,900 pounds (2,200 kg ) | 908 horsepower (677 kW) at 2,400 rpm | 775 horsepower (578 kW) at 2,400 rpm | 2,150 lb⋅ft (2,920 N⋅m) at 2000 rpm | 14.5:1 | 2,200 cfm | 380 lbs / hour | Merkava Mk. I, Magach 7 | |||
AVDS-1790-6A | Merkava Mk. II, Nakpadon | ||||||||||
AVDS-1790-7A | 950 horsepower (710 kW) | Merkava Mk. II | |||||||||
AVDS-1790-8A | 5,100 pounds (2,300 kg ) | 1,050 horsepower (780 kW) at 2,400 rpm | 892 horsepower (665 kW) at 2,400 rpm | 2,500 lb⋅ft (3,400 N⋅m) at 1,900 rpm | 2,450 cfm | 430 lbs / hour | |||||
AVDS-1790-8CR | M88A2 | ||||||||||
AVDS-1790-9A | 5,100 pounds (2,300 kg ) | 1,200 horsepower (890 kW) at 2,400 rpm | 1,000 horsepower (750 kW) at 2,400 rpm | 2,820 lb⋅ft (3,820 N⋅m) at 1,900 rpm | 2,800 cfm | 480 lbs / hour | |||||
AVDS-1790-9AR | Merkava Mk. III | ||||||||||
AVDS-1790 1500 | 5,000 pounds (2,300 kg ) | 1,500 horsepower (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-2 | 570 lbs / hour |
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