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EPS Finalizes Graflight 8 Diesel Engine Design

EPS plans to achieve certification and begin delivering the Graflight 8 diesel engine toward the end of next year. Engineered Propulsion Systems
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Key Takeaways:

  • Engineered Propulsion Systems (EPS) has finalized the design of its Graflight 8 diesel engine, freezing it in preparation for certification.
  • The 320-420 hp Graflight 8 is a versatile engine for various aircraft and boats, boasting significant fuel efficiency (15% over comparable diesels, 40% over Avgas engines) and a long 3,000-hour TBO.
  • Following successful flight testing, EPS aims to achieve certification and begin delivering the new diesel engine by the end of next year.
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Engineered Propulsion Systems of Wisconsin has reached the final stage of design for its Graflight 8 diesel engine, freezing the design in preparation for certification.

Pia Bergqvist

Pia Bergqvist joined FLYING in December 2010. A passionate aviator, Pia started flying in 1999 and quickly obtained her single- and multi-engine commercial, instrument and instructor ratings. After a decade of working in general aviation, Pia has accumulated almost 3,000 hours of flight time in nearly 40 different types of aircraft.

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