The Fiat A.25 was an Italian water-cooled
aircraft engine
An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years many ...
from the 1920s. It produced 708 kW (950 hp) and was used by the
Regia Aeronautica
The Italian Royal Air Force (''Regia Aeronautica Italiana'') was the name of the air force of the Kingdom of Italy. It was established as a service independent of the Royal Italian Army from 1923 until 1946. In 1946, the monarchy was abolis ...
for fifteen years to power their
Fiat BR.2 and
BR.3 bomber
A bomber is a military combat aircraft designed to attack ground and naval targets by dropping air-to-ground weaponry (such as bombs), launching aerial torpedo, torpedoes, or deploying air-launched cruise missiles. The first use of bombs dropped ...
s.
Design and development
During the 1920s Fiat introduced several water-cooled aircraft engines, including the
A.20, A.22, A24, A.25 and A.30. They were all upright V-12s with 60° between the
cylinder bank
The engine configuration describes the fundamental operating principles by which internal combustion engines are categorized.
Piston engines are often categorized by their cylinder layout, valves and camshafts. Wankel engines are often categorize ...
s; capacities ranged between 18.7 L and 54.5 L (1,141-3,324 cu in) and power outputs between 320 kW and 745 kW (430-1,000 hp).
[
Producing 710 kW (950 hp) from 54.5 L (3,324 cu in),][ the A.25 was the largest and most powerful in the range. When Fiat were advised by the government to simplify their water-cooled product line, they focussed on the A.20, A.22 and A.30 models, so the A.25 was not further developed. They concentrated their higher power development effort on radial engines instead.][
]
Operational history
The only series produced types powered by the A.25 were the Fiat BR.2 and BR.3 single engine bombers. These began operating with the Regia Aeronautica
The Italian Royal Air Force (''Regia Aeronautica Italiana'') was the name of the air force of the Kingdom of Italy. It was established as a service independent of the Royal Italian Army from 1923 until 1946. In 1946, the monarchy was abolis ...
in 1925. Some, used as trainers
Sneakers (also called trainers, athletic shoes, tennis shoes, gym shoes, kicks, sport shoes, flats, running shoes, or runners) are shoes primarily designed for sports or other forms of physical exercise, but which are now also widely used fo ...
, were still in service in 1939.[
]
Applications
* Fiat BR.2[
*]Fiat BR.3
The Fiat B.R. 1/4 was a light bomber series, developed in Italy shortly after World War I.
Design and development
The B.R was a development of the SIA 9 reconnaissance aircraft, incorporating major strengthening of that design. Its general ...
[
* Fiat BR.4][
]
Specifications
See also
References
{{Fiat aeroengines
1920s aircraft piston engines
A.25