View source for Fiat A.80

{{short description|1940s Italian piston aircraft engine}}
{{No footnotes|date=July 2014}}
{|{{Infobox aircraft begin
|name= A.80
|image= File:FIAT A.80 RC.jpg
|caption=
}}
{{Infobox aircraft engine
|type= [[Radial engine]]
|national origin= Italy
|manufacturer= [[Fiat]]
|first run=
|major applications= {{ubl|
* [[Breda Ba.65]]
* [[Fiat BR.20 Cicogna]]
* [[Fiat G.18]]
* [[Savoia-Marchetti SM.79 Sparviero]]}}
|number built=
|developed from= [[Fiat A.74]]
|developed into= [[Fiat A.82]]
|variants with their own articles=
}}
|}
The '''Fiat A.80''' was an 18-cylinder, twin-row, air-cooled, radial aircraft engine produced during [[World War II]]. Rated at {{cvt|1000|hp|disp=flip}}, it was a more powerful development of the 14-cylinder [[Fiat A.74]].
==Variants==
;Fiat A.80 R.C.20:With reduction gear and supercharger, rated altitude {{convert|2000|m|ft|abbr=on}}.
;Fiat A.80 R.C.40:With reduction gear and supercharger, rated altitude {{convert|4000|m|ft|abbr=on}}.
;Fiat A.80 R.C.41:With reduction gear and supercharger, rated altitude {{convert|4100|m|ft|abbr=on}}.
==Applications==
* [[Aeronautica Umbra Trojani AUT.18]]
* [[Breda Ba.65]]
* [[CANSA FC.20]]
* [[CANT Z.509]]
* [[Fiat BR.20 Cicogna]]
* [[Fiat G.18]]
* [[Savoia-Marchetti SM.79 Sparviero]]
==Specifications (A.80 R.C.41)==
{{pistonspecs
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|ref={{citation needed|date=June 2012}}
|type=18-cylinder air-cooled radial
|bore=140 mm (5.51 in)
|stroke=165 mm (6.50 in)
|displacement=45.72 L (2789.9 cu in)
|length=1,155 mm (45.47 in)
|diameter=
|width=653 mm (25.71 in)
|height=1,335 mm (52.56 in)
|weight=725 kg (1598.4 lb)
|valvetrain=One intake and one sodium-cooled exhaust valve per cylinder
|supercharger=Single Speed, Single Stage. 4,100 m rated altitude
|turbocharger=
|fuelsystem=1 Fiat carburettor
|fueltype=87 octane
|oilsystem=
|coolingsystem=air-cooled
|power={{cvt|1000|hp|disp=flip}} at 2,100 rpm at {{convert|4,100|m|ft|abbr=on}}
*:{{cvt|1100|hp|disp=flip}} at 2,100rpm at Sea Level
|specpower=
|compression=6.7:1
|fuelcon=
|specfuelcon=
|oilcon=
|power/weight={{cvt|0.6|hp/lb|1|disp=flip}} at cruise speed
}}
==See also==
{{aircontent
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|see also=
<!-- designs which were developed into or from this aircraft: -->
|related=
* [[Fiat A.74]]
<!-- aircraft that are of similar role, era, and capability as this design: -->
|similar aircraft=
<!-- relevant lists that this aircraft appears in: -->
|lists=
*[[List of aircraft engines]]
<!-- For aircraft engine articles.  Engines that are of similar to this design: -->
|similar engines=
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}}
==References==
{{Commons category}}
* Gunston, Bill. (1986). ''World Encyclopaedia of Aero Engines''. Patrick Stephens: Wellingborough. p.&nbsp;56
* Ragazzi, Paolo (1938). ''The Power of Aircraft Engines at Altitude''. p.&nbsp;3
{{Fiat aeroengines}}
[[Category:Radial engines]]
[[Category:Fiat aircraft engines|A.80]]
[[Category:1930s aircraft piston engines]]
[[Category:Aircraft air-cooled radial piston engines]]