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Straight-14


A straight-14 engine is a straight engine with fourteen cylinders. A straight-14 is a very long engine, and therefore only used for large ships.

The only known engine of this type is a member of the Wärtsilä-Sulzer RTA96-C family. It is a huge 2-stroke Diesel unit for use in container ships. The engine became well-known due to photos taken at the Aioi Works in Japan and spread through blogs.

The 14-cylinder version of this modular engine displaces 25,480 L (1,556,002 in³) with a 38 in (.965 m) bore and 98 in (2.5 m) stroke. The engine is 89 ft (27.1 m) long, 44 ft (13.4 m) high, and weighs 2,300 tonnes (2 300 000 kg). Power output is 108,920 hp (80,080 kW) at 102 rpm. It also produces 5,608,312 ft.lbf (7,603,749 Nm) of torque at that speed.


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