Continental AV1790
The Continental AV1790 is an American V12 engine used in tanks. 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, Armored Vehicle, Diesel, Supercharged) for the M47, M48, and M60 Patton tanks, and the Swedish Stridsvagn 104.
Engines prefixes
The engine prefixes are:
- A-Air cooled
- V-Vee cylinder arrangement
- D-Diesel
- S-Supercharged
- I-Injection
- 1790-Displacement in Cubic Inches
Specifications
| 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 | AVDS-1790-2A | AVDS-1790-5B | AVSI-1790-6 | |
|---|---|---|---|---|---|---|
| Supercharger: | no | no | no | yes[1] | twin turbocharger | yes |
| Fuel system: | carburetor | carburetor | carburetor | fuel injection | fuel injection | fuel injection |
| Fuel type: | 80 octane gasoline (petrol) | 80 octane gasoline | 80 octane gasoline | 40 cetane diesel | diesel | 80 octane gasoline |
| Ignition | magneto | magneto | magneto | compression | compression | magneto |
| Compression ratio: | 6.5:1 | 6.5:1 | 6.5:1 | 16:1 | 5.5:1 | |
| Dry weight | 2332 lb (1058 kg) | 2554 lb (1158 kg) | 2647 lb (1200 kg) | 4700 lb (2132 kg) | 3050 lb (1383 kg) |
| Power output (net) | Torque (net) | Power output (gross) | BSFC: | Power-to-weight ratio | |
|---|---|---|---|---|---|
| AV-1790-3 | 704 hp (525 kW) at 2800 rpm | 1440 pound-feet at 2200 rpm | 810 hp at 2800 rpm | ||
| AV-1790-5C | 650 hp (485 kW) at 2400 rpm | 1250 pound-feet at 2100 rpm | 810 hp at 2800 rpm | ||
| AV-1790-7C | 690 hp (515 kW) at 2800 rpm | 1410 pound-feet at 2200 rpm | 810 hp at 2800 rpm | ||
| AVDS-1790-2A | 643 hp (480 kW) at 2400 rpm | 1575 pound-feet at 1750 rpm | 750 hp at 2400 rpm | ||
| AVSI-1790-6 | 765 hp (570 kW) at 2800 rpm | 1670 pound-feet at 2100 rpm | 980 hp at 2800 rpm |
References
- ^ Hunnicutt, R.P. (1984). Patton: A History of the American MBT. Presidio. p. 440.
Sources
- Hunnicutt, R. P. Firepower: A History of the American Heavy Tank. Novato, California: Presidio Press, 1988. ISBN 0-89141-304-9
External links
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