Rotax 912 UL DCDI 81HP Aircraft Engine

<p>-</p> <p>The highly reliable and efficient entry-level motor for light aviation aircraft manufacturers.</p> <p>- Four-stroke piston engine with four liquid and air-cooled cylinders<br>- Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic valve tappet<br>- The lightest engine in the Rotax aircraft engine portfolio<br>- 2 carburetors<br>- Mechanical fuel pump<br>- Dual electronic ignition<br>- Electric starter<br>- Propeller speed reduction gearbox<br>- TBO 2,000 hr</p> <p>Performance</p> <p>Maximum Power<br>(5 minutes) 81HP / 59.6KW @ 5800 RPM</p> <p>Maximum Power (sustained) 79HP / 58.9KW @ 5500 RPM</p> <p>Maximum Torque 75.9ft-lb / 103NM @ 4800 RPM</p> <p>Combustion Chambers</p> <p>Bore 3.13″ / 79.5mm</p> <p>Stroke 2.40″ / 61.0mm</p> <p>Displacement 73.91cu.in. / 1211.2cm³</p> <p>Compression ratio 9.0:1</p> <p>Weight</p> <p>Engine with carburetors 121.2lbs / 55.0Kg</p> <p>Exhaust System 8.8lbs / 4.0Kg</p> <p>Air Filter 0.7lbs / 0.3Kg</p> <p>Liquid Radiator 2.2lbs / 1.0Kg</p> <p>Oil Radiator 1.1lbs / 0.5Kg</p> <p>Regulator-Rectifier 0.2lbs / 0.1Kg</p> <p>Installed Weight 134.2lbs / 60.9Kg</p> <p>Weight/power ratio 1.66lbs/HP / 1.0Kg/KW</p>