The Isotta Fraschini V.5 of 1916 was an Italian eight-cylinder, water-cooled, in-line piston
aero engine
An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Aircraft using power components are referred to as powered flight. Most aircraft engines are either piston engines or gas turbin ...
of
World War I
World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
. The "V" denoted "Volo" or "flight" rather than piston arrangement.
[
]
Design
The V.5's construction was fairly typical of aircraft engines of the period with cast-iron cylinders mounted in pairs with common heads and water jackets. It had much in common with the six-cylinder Isotta Fraschini V.4 and was built at a similar time. Though powerful, it was very heavy and thus, like some other Isotta Fraschini engines, better suited to airship
An airship, dirigible balloon or dirigible is a type of aerostat (lighter-than-air) aircraft that can navigate through the air flying powered aircraft, under its own power. Aerostats use buoyancy from a lifting gas that is less dense than the ...
s than aircraft.[
]
Applications
* Forlanini airship
Specifications
References
{{Isotta Fraschini aeroengines
1910s aircraft piston engines
V.5