Potez 4E
{{short description|1960s French piston aircraft engine}}
| {{Infobox aircraft begin
| name=Potez 4E | image= | caption= }}{{Infobox Aircraft Engine |type=Air-cooled flat-four engine |manufacturer=Potez |national origin=France |first run= |major applications=SAN Jodel D.150 Mascaret |produced=1960–1965 |number built= |program cost= |unit cost= |developed from= |variants with their own articles= }} |
The Potez 4E is a French air-cooled flat-four piston engine of the 1960s. It was unveiled at the 1959 Paris Air Show,"[http://www.flightglobal.com/pdfarchive/view/1959/1959%20-%201805.html The 23rd Paris Show]" Flight 14 August 1959, p.20. entered production in 1960 and is rated at 78 kW (105 hp). It remained in production until 1965 when Potez abandoned production of aero-engines.Taylor 1965, p.456.Flight International 7 January 1965, p.24.
Variants
;4E-00:{{convert|90|hp|abbr=on|1|disp=flip}}{{cite book|last=Taylor|first=John W.R. FRHistS. ARAeS|title=Jane's All the World's Aircraft 1962-63|year=1962|publisher=Sampson, Low, Marston & Co Ltd|location=London}}
;4E-02:
;4E-20
:{{convert|105|hp|abbr=on|1|disp=flip}}
;4E-30
:Fuel injected. {{convert|116|hp|abbr=on|1|disp=flip}}
Applications
Specifications (Potez 4E-20)
{{pistonspecs|
|ref=Flight Aero Engines 1960, p.375.
|type=direct drive right-hand tractor air-cooled flat-four piston engine
|bore={{convert|110|mm|in|abbr=on|2}}
|stroke={{convert|90|mm|in|abbr=on|2}}
|displacement={{convert|3.42|L|cuin|abbr=on|2}}
|length={{convert|782|mm|in|abbr=on}}
|diameter=
|width={{convert|778|mm|in|abbr=on}}
|height={{convert|605|mm|in|abbr=on}}
|weight={{convert|92|kg|lbs|abbr=on}} dry un-equipped, {{convert|103|kg|lbs|abbr=on}} equipped
|valvetrain=Two valves per cylinder with dual springs operated by rockers and pushrods from a gear driven camshaft.
|supercharger=
|turbocharger=
|fuelsystem=One NAS 42 Zenith carburettor
|fueltype=100/130 octane
|oilsystem=Pressure feed to bearings and moving parts at {{convert|43|-|70|psi|kPa|abbr=on|disp=flip}}, oil grade SAE 50 and 40
|coolingsystem=Air-cooled
|power={{convert|105|hp|kW|abbr=on|disp=flip}} at 2,750 rpm for take-off, {{convert|82|hp|kW|abbr=on|disp=flip}} at 2,600 rpm at {{convert|3,000|ft|m|abbr=on|disp=flip}} cruising
|specpower=
|compression=
|fuelcon=
|specfuelcon= 0.298 kg/kW/hr (0.49 lb/hp/hr) at normal cruising power
|oilcon= {{convert|0.18|kg|lbs|abbr=on|2}}/hour
|power/weight=1.68 kW/kg (1.02 hp/lb)
|designer=
|reduction_gear=Direct drive
|general_other=
|components_other=12 Volt Ducellier electric starter motor, 12 Volt 250 Watt belt driven generator
|performance_other=
}}
{{aircontent
|see also=
|related=
|similar aircraft=
|lists=
}}
References
{{Reflist}}
- {{cite book|last=Taylor|first=John W.R. FRHistS. ARAeS|title=Jane's All the World's Aircraft 1962-63|year=1962|publisher=Sampson, Low, Marston & Co Ltd|location=London}}
- [http://www.flightglobal.com/pdfarchive/view/1960/1960%20-%200367.html Aero Engines 1960]". Flight, 18 March 1960, pp. 367–387.
- [http://www.flightglobal.com/pdfarchive/view/1965/1965%20-%200029.html Aero Engines: A "Flight International" Survey]". Flight International, 7 January 1965, pp. 19–34.
- Taylor, John W. R. Jane's All The World's Aircraft 1965-66. London: Samson Low, Marston, 1965.
{{Potez aeroengines}}