High Performance EPS Diesel Engine Progresses

Pia Bergqvist

Tuesday, July 28, 2015 at 08:39 PM ET

Verified

Key Takeaways:

Engineering Propulsion Systems (EPS) has completed phase one flight testing for its clean-sheet Graflight V8 diesel engine, designed for high-performance general aviation aircraft (320-420 HP).
The company is expanding its staff, production capabilities, and tooling as it prepares for phase two testing and continued development.
The Graflight V8 engine, despite similar weight to avgas engines, promises significant efficiency, potentially offering 40% fuel savings, which could result in a 50% range or 40% payload increase.

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Engineering Propulsion Systems (EPS) continues to make progress on the development of its clean-sheet Graflight V8 diesel engine for the general aviation market. The phase one flight testing program has now been completed and the company has added staff, production capabilities and new tooling to its facility in New Richmond, Wisconsin.

Built around eight cylinders, the EPS Graflight engine is designed for high performance airplanes running in the 320 to 420 horsepower range. “The progress has been encouraging,” said EPS president Michael Fuchs. “We have a lot of work in front of us, but the early results have confirmed that the ideas and reality are in sync.”