Flat-8

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Porsche 914/8 Flat 8 engine Source


A flat-8 is an internal combustion engine in flat configuration, having 8 cylinders.

Few examples are known. The most famous engine of this type is the Porsche air-cooled flat-8 engine introduced in a 1,5 L version for Formula 1 that grew up to a 3 L version used in the Porsche 908

Another example is the Australian made Jabiru Aircraft 5100. This is a 5.1 litre air-cooled engine for aircraft use.



Piston engine configurations
Straight Single, 2, 3, 4, 5, 6, 8, 9, 10, 12, 14
V 2, 4, 5, 6, 8, 10, 12, 16, 20, 24
Flat 2, 4, 6, 8, 10, 12, 16, H
W 8, 9, 12, 16, 18
Other inline H, VR, Opposed, U (Square), X
Other Hemi, Radial, Rotary, Pistonless, Deltic, (Wankel)



Heat engines
Stroke cycles
OneTwoFourSix
Engine types
Gas turbinePistonJetRocket engineSteam engineStirling engineTschudiTwingle
RotaryWankelFree-pistonBritalusCoomberSwing-pistonOrbitalQuasiturbine
Valves
Cylinder head portingD slideFour-strokeManifoldMultiPistonPoppetSleeve
Piston layouts
Single cylinderStraightOpposedFlatVWHDelticRadialRocket engine nozzleRotaryStelzerControlled CombustionBourke
Motion mechanisms
CamConnecting rodCoomber rotaryCrankCrank substituteCrankshaftLinkages (EvansPeaucellier-LipkinSector straight-lineWatt) • Double acting/differential cylinder
Thermodynamic cycle