Shown here with external alternator, hydraulic propeller governor and air guide baffles.

Rotax 912 UL DCDI 81HP

• 4-stroke engine specially developed for recreational aircraft. Also exists in certified versions: Rotax 912 A, Rotax 912 F.
• 4 horizontally opposed cylinders, "boxer" configuration
• Free air cooled cylinders, liquid cooled cylinder heads with integrated pump and expansion tank
• Dry sump forced lubrication with integrated pump and separate oil tank
• 8 valves, automatic adjustment by hydraulic valve tappet
• Dual Capacitor Discharge Ignition (DCDI) with RFI noise suppression
• Two Bing Constant Depression (CD) carburetors
• Mechanically driven diaphragm fuel pump
• Integrated electric starter
• Integrated reduction gearbox, ratio of 2.27:1 or 2.43:1 with optional slipper clutch
• Various liquid and oil radiators available
• Many option available such as: Vacuum pump, external alternator, hydraulic propeller governor
• Operates on automotive fuel with a minimum octane rating of 87 (Canadian standards)
• Time Between Overhauls (TBO): 1500 hours*