Isotta-Fraschini V.4B

Isotta Fraschini V.4
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"). 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.

Data from Jane's Fighting Aircraft of World War I (2001);Gianni Caproni Museum of Aeronautics placard description

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