| Isotta Fraschini V.4 | |
|---|---|
.JPG.webp) | |
| Type | Piston engine |
| Manufacturer | Isotta Fraschini |
| First run | 1916 |
The Isotta Fraschini V.4 of 1916 was an Italian six-cylinder, water-cooled, in-line piston aero engine of World War I (the "V" denoted "Volo" or "flight").[1] Its construction was fairly typical of aircraft engines of the period with six cast-iron cylinders mounted in pairs with common heads. This engine was also produced by Alfa Romeo.
Applications
Variants
- V.4
-
- V.4A
- V.4B
- V.4Bb
Engines on display
- A V.4b is on display in the Gianni Caproni Museum of Aeronautics
- The Caproni Ca.36 on display in the National Museum of the United States Air Force is fitted with a V.4b engine.
V.4B in a Caproni Ca.36 at the National Museum of the United States Air Force
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V.4b on display at the Gianni Caproni Museum of Aeronautics
Specifications (V.4b)
Data from Jane's Fighting Aircraft of World War I (2001);[2] Gianni Caproni Museum of Aeronautics placard description
General characteristics
- Type: Six-cylinder, water-cooled, in-line piston engine[2]
- Bore: 130 mm (5.12 in)
- Stroke: 180 mm (7.09 in)
- Displacement: 14.3 L (874 cu in)
- Length: 1,470 mm (58 in)
- Width: 460 mm (18.11 in)
- Height: 1,020 mm (40.15 in)
- Dry weight: 264 kg (584 lb)
Components
- Valvetrain: Overhead camshaft[2]
- Fuel system: Twin carburettors, two six spark magnetos[2]
- Oil system: Forced feed[2]
- Cooling system: Water; cylinders in pairs, each pair in a steel water jacket[2]
Performance
- Power output: 142 kW (190 hp) at 1,450 rpm[2]
- Compression ratio: 4.8
See also
Related lists
References
Wikimedia Commons has media related to Isotta Fraschini V.4.
Notes
Bibliography
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