Lycoming’s iE2 Single-Lever System Shown at Oshkosh

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Key Takeaways:

  • Lycoming showcased its new 350-hp TEO-540-EXP iE2 engine, featuring single-lever operation, automated preflight checks, and reduced pilot workload, at Oshkosh in a Lancair Evolution.
  • The iE2 system offers benefits such as automotive start simplicity, support for alternative fuels, and promises increased fuel efficiency and reliability.
  • Baseline testing for the iE2 system is complete, first OEM installations are being calibrated, and the certification program is well underway.
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Lycoming flew a Lancair Evolution to Oshkosh, powered by its new TEO-540-EXP iE2 engine. Advantages of the 350-hp engine include single-lever operation, automated preflight safety checks, automotive start simplicity and reduced pilot workload. The iE2 system also allows use of alternative fuels and promises increased fuel efficiency and reliability. The iE2 system was announced at EAA AirVenture 2008 and has been available to original equipment manufacturers for demonstration flights since 2007. Baseline testing for the iE2 system has now been completed and first OEM installations are being calibrated. The certification program is well under way, according to Ian Walsh, senior vice president and general manager. After its appearance at Oshkosh, the airplane will be flown to Lycoming headquarters in Williamsport, Pennsylvania, for further flight testing and calibration.

Mark Phelps

Mark Phelps is a senior editor at AVweb. He is an instrument rated private pilot and former owner of a Grumman American AA1B and a V-tail Bonanza.

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