May 2012 Issue
Rotax 912 iS: So Long, Bing Carbs
With electronic fuel injection and dual-channel ECUs, Rotax claims the new 912 is 20 percent more fuel efficient than like engines.
With its 912-series engines, Rotax owns the light sport propulsion market. But even though the 912s are technologically more advanced than the typical Lycoming or Continental engine, buyers have been wondering when Rotax would get around to fuel injection and electronic ignition. In early March, it did just that. At the companys Gunskirchen, Austria, factory, it rolled out the new 912 iS, an eco engine with improved fuel economy, electronic fuel injection and a sophisticated, dual-channel ECU architecture with all the features youd expect a modern aircraft engine based on automotive technology to have.
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