Rotax 912 UL (80 HP)

This series was BRP's first Rotax engine dedicated for aircraft application only. The Rotax 912 series is well regarded for its reliability and efficiency and is primarily targeted as the entry level motor in the light aviation industry. The 80 hp version of the Rotax 912 series offers a time between overhauls of 2,000 hours and is available as non-certified (Rotax 912 UL) as well as certified version according to FAR 33 (Rotax 912 F) and JAR 22 (Rotax 912 A).

 

  • 4-cylinder
  • 4-stroke liquid-/air-cooled engine with opposed cylinders
  • Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic valve tappet
  • 2 carburetors
  • Mechanical fuel pump
  • Dual electronic ignition
  • Electric starter
  • Propeller speed reduction gearbox
Rotax 912 UL (80 HP)

ENGINE DATA 912 UL

Weight kg lb
Engine with propeller speed reduction unit i = 2.27  55.4 122.0
Exhaust system 4.0 8.8
Overload clutch 1.7 3.7
External alternator 3.0 6.6
Air guide hood 0.4 0.8
Engine mount 2.0 4.4

 

 

Performance
59.6 kW 80 hp 5800 1/min
Torque
103 Nm 75.9 ft. lb. 4800 1/min
MAX RPM* 5800 1/min

 

* Limited for max. 5 min.

 

 

BORE STROKE
79.5 mm 3.13 in 61.0 mm 2.4 in
DISPLACEMENT FUEL
1211.2 ccm 73.91 cu in min. MON 83 RON 91* min. AKI 87*

 

* leaded, unleaded, AVGAS 100LL or E10
1) UL = non-certified
2) A = certified acc. to JAR 22
3) F = certified acc. to FAR 33