Isotta-Fraschini was established as
Fabbrica Automobili Isotta-Fraschini as a builder of high-quality
automobiles. They produced their first aircraft engine in 1910. These
first engines were water-cooled in-line four-cylinder engines.
During World War I, Isotta-Fraschini produced mostly 6-cylinder engines
although the V.5 of 1915 was an in-line 8.
Between wars, Isotta-Fraschini developed many different engines so that by
World War II they had a large number of engine types all made in small
Unable to make the switch from military to civilian production after World
War II, Isotta-Fraschini was liquidated.
The Isotta-Fraschini name was resurrected by Breda in 1955.
The V.4 of
1916 was a fairly typical Isotta-Fraschini aircraft engine of the period.
An in-line engine (the "V" denoted "Volo" or "flight"), the six cylinders
were cast-iron made in pairs.
- Six-cylinder, water-cooled, in-line piston engine
- Displacement: 874 cubic inches (14.3 litres)