Rotax 915, Rotax 915 iS aircraft engine, South Mississippi Light Sport Aircraft, Ronnie Smith.

Rotax 915, Rotax 915 iS aircraft engine, South Mississippi Light Sport Aircraft, Ronnie Smith.
#Rotax915 #Rotax915IsAircraftEngine #SouthMississippiLightSportAircraft #RonnieSmith

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Ronnie Smith of South Mississippi Light Aircraft, gives us a quick run down on the Rotax 915 iS turbocharged, 4 cylinder, liquid cooled aircraft engine.

The turbocharger has a compression ratio of 3.5:1 and the engine will have a critical altitude of 15,000 ft (4,572 m).

It employs dual electronically controlled fuel injection, using dual channel Rockwell Collins ECUs, with dual ignition and produces 141 hp (105 kW) for take-off and 135 hp (101 kW) continuous.

The engine can produce rated power up to 15,000 ft (4,572 m) and has a ceiling of 23,000 ft (7,010 m).

The engine is based on the Rotax 912, but differs in that it has fuel injection, a reinforced crankshaft, new pistons, a new gearbox and a turbocharger. Time between overhauls was expected to eventually be raised to 2000 hours with operational experience, but started at 1200 hours.