ENGINE ROTAX 912-UL-S-2 100HP
Description
In comparison to the 80 hp version of the Rotax 912 series the 100 hp product line offers more power while keeping the 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 engine. This series is available as non-certified (Rotax 912 ULS) and certified engine (Rotax 912 S) according to FAR33.
Facts
1. 4-cylinder
2. 4-stroke liquid/air-cooled engine with opposed cylinders
3. dry sump forced lubrication with separate oil tank
4. 2 carburetors
5. mechanical fuel pump
6. dual-electronic ignition
7. electric starter
8. propeller speed reduction unit
9. air intake system
Version Performance Torque Max RPM
kW hp 1/min Nm ft. lb. l/min 1/min
912 ULS1/S2 73.5 100 5800 128 94 5100 5800
Bore Stroke Displacement Fuel
84 mm 3.31 in 61 mm 2.4 in 1352 cm3 82.6 cu in. min. MOD 85 RON 95*min. AKI 91**
WEIGHT kg ib
engine with propeller speed reduction unit i = 2.43 56.6 124.5
overload clutch 1.7 3.7
exhaust system 4.0 8.8
external alternator 3.0 6.6
1) ULS = non certified* limited for max. 5 min
2) S = certified acc. to FAR 33** leaded, unleaded, AVGAS 100LL or Ethanol 10
