All ROTAX Aircraft Engines 912 & 914 come in two versions with options;
– FAR Part 33 version – FAA certified for instrument flying in LSA and use in FAA certified Standard Category aircraft
– ASTM compliant “UL” version which most LSA use
912 & 912UL | 912S &912ULS | 914 & 914UL | |
Horsepower | 81 hp @ 5800 rpm at SL takeoff, 79 hp @ 5500 max continuous | 100 hp @ 5800 rpm at SL takeoff, 95 hp @ 5500 max continuous | 115 hp @ 5800 rpm to 8K – Take Off 100 hp to 16K @ 5500 max continuous |
Fuel | 87 auto or 100LL | 91 auto or 100LL | 91 auto or 100LL |
Compression | 9.0 to 1 | 10.5 to 1 | Turbo & 9.0 to 1 |
Displacement | 1211 MM^3 | 1352 MM^3 | 121 MM^3 |
Gearbox ratio | 2.27 or 2.43 to 1 | 2.43 to 1 | 2.43 to 1 |
Weight | 122 lbs* | 130 lbs** | 153.5 lbs*** |
See www.rotax-aircraft-engines.com for specific performance at pressure altitudes and outside air temperatures.
* Gearbox, oil tank, rectifier, carburetors, dual ignition, fuel pump, prop washer, electric starter.
** US version includes slipper clutch, gearbox, rectifier, carburetors, dual ignition, fuel pump, prop washer, high powered electric starter.
*** Complete firewall forward engine system including turbo, gearbox, oil tank, rectifier, carburetors, dual ignition, fuel pump, prop washer, electric starter, exhaust system and factory engine mounts.
Note: the 914 normally requires a constant speed propeller so it is not typically used on Light-Sport Aircraft.
Options:
Oil Cooler | 1.1 lbs | Radiator | 2.2 lbs |
Slipper Clutch | 4.6 lbs | Air-Box | 2.8 lbs |
Exhaust System | 8.8 lbs | Air Baffle | 1.8 lbs |
External Alternator | 6.6 lbs | Vacuum Pump: | 1.8 lbs |
Air Filter | 0.3 lbs each | ||