Rotax 912 ULS DCDI 100HP Aircraft Engine

<p>In comparison to the 80 hp version of the Rotax 912 series the 100 hp product line offers more power while keeping the same weight. This engine series offers a time between overhauls of 2,000 hrs and the best power to weight ratio in its class ‒ no surprise that this engine is the best selling 4-stroke aircraft engine.</p> <p>This series is available as non-certified (Rotax 912 ULS) and certified engine (Rotax 912 S) according to FAR 33.</p> <p>- 4-cylinder<br>- 4-stroke liquid-/air-cooled engine with opposed cylinders<br>- Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic valve tappet<br>- 2 carburetors<br>- Mechanical fuel pump<br>- Dual electronic ignition<br>- Electric starter<br>- Propeller speed reduction unit<br>- Air intake system</p> <p>Performance</p> <p>Maximum Power*<br>(5 minutes) 100HP / 73.5KW @ 5800 RPM</p> <p>Maximum Power (sustained) 95HP / 69.0KW @ 5500 RPM</p> <p>Maximum Torque 94ft-lb / 128NM @ 5100 RPM</p> <p>*100HP maximum power when optional air box and tuned exhaust are installed.</p> <p>Combustion Chambers</p> <p>Bore 3.31″ / 84mm</p> <p>Stroke 2.40″ / 61.0mm</p> <p>Displacement 82.6cu.in. / 1352cm³</p> <p>Compression ratio 10.5:1</p> <p>Weight</p> <p>Engine with carburetors 124.7lbs / 56.6Kg</p> <p>Exhaust System 8.8lbs / 4.0Kg</p> <p>Air Box 2.9lbs / 1.3Kg</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 140.6lbs / 63.8Kg</p> <p>Weight/power ratio 1.41lbs/HP / 0.87Kg/KW</p>