• Source: Potez 4E

The Potez 4E is a French air-cooled flat-four piston engine of the 1960s. It was unveiled at the 1959 Paris Air Show, 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.




Variants


4E-00
67.1 kW (90 hp)
4E-02

4E-20
78.3 kW (105 hp)
4E-30
Fuel injected. 86.5 kW (116 hp)




Applications


Chasle Tourbillon
Dabos JD.24P D'Artagnan
Godbille JG.1B
Merville D.63
Piel Emeraude
Pottier P.60 Minacro
Jodel DR1050 Excellence
SAN Jodel D.150 Mascaret
Starck AS-27 Starcky




Specifications (Potez 4E-20)


Data from




= General characteristics

=
Type: direct drive right-hand tractor air-cooled flat-four piston engine
Bore: 110 mm (4.33 in)
Stroke: 90 mm (3.54 in)
Displacement: 3.42 L (208.70 cu in)
Length: 782 mm (30.8 in)
Width: 778 mm (30.6 in)
Height: 605 mm (23.8 in)
Dry weight: 92 kg (203 lb) dry un-equipped, 103 kg (227 lb) equipped




= Components

=
Valvetrain: Two valves per cylinder with dual springs operated by rockers and pushrods from a gear driven camshaft.
Fuel system: One NAS 42 Zenith carburettor
Fuel type: 100/130 octane
Oil system: Pressure feed to bearings and moving parts at 300–480 kPa (43–70 psi), oil grade SAE 50 and 40
Cooling system: Air-cooled
Reduction gear: Direct drive
12 Volt Ducellier electric starter motor, 12 Volt 250 Watt belt driven generator




= Performance

=
Power output: 78 kW (105 hp) at 2,750 rpm for take-off, 61 kW (82 hp) at 2,600 rpm at 910 m (3,000 ft) cruising
Specific fuel consumption: 0.298 kg/kW/hr (0.49 lb/hp/hr) at normal cruising power
Oil consumption: 0.18 kg (0.40 lb)/hour
Power-to-weight ratio: 1.68 kW/kg (1.02 hp/lb)




References



Taylor, John W.R. FRHistS. ARAeS (1962). Jane's All the World's Aircraft 1962-63. London: Sampson, Low, Marston & Co Ltd.
Aero Engines 1960". Flight, 18 March 1960, pp. 367–387.
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.

Kata Kunci Pencarian:

• Pesawat tempur malam
• Potez 4E
• Potez
• 4E
• Potez 540
• Quadcopter
• Rigault Deproux RD-3
• Jodel DR1050 Excellence
• Godbille JG.1B
• Potez-CAMS 141
• List of aircraft engines