Biofuel-Friendly GA Engine Debuts In South Africa

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Key Takeaways:

  • A South African company, Adept Aviation, has introduced a new 320-hp liquid-cooled engine for general aviation aircraft capable of running on various fuels, including low-octane unleaded mogas, avgas, liquid petroleum gas (LPG), or biofuel.
  • The engine boasts significant improvements, being approximately 30% lighter and offering up to 30% better fuel efficiency than traditional piston engines of comparable horsepower, alongside low emissions and noise.
  • After extensive ground testing, flight tests are expected to begin soon for the seven-year-old company, which has received funding support from AgustaWestland Helicopters and the South African government, and is now seeking investment for full production.
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A South African company has introduced a new engine for general aviation aircraft that the company says will run on a range of fuels, including unleaded mogas with an octane rating as low as 85, standard avgas, liquid petroleum gas (LPG), or biofuel. The 320-hp Adept Aviation engine “sets new standards for performance and low life-cycle costs,” according to the company’s news release. The liquid-cooled engine with electronic engine management was rolled out last week in an SA Ravin 500 airplane. The engine features low emissions and noise levels, the company said, and weighs about 348 pounds. “It is roughly 30 percent lighter than traditional piston engines of comparable horsepower and offers fuel efficiencies of up to 30 percent better than conventional GA powerplants,” the company said.

The company, which is based at Virginia Airport in Durban, S.A., has been ground-testing the engine and expects to start flight tests soon, according to its Web site. Adept Aviation is a seven-year-old company that was launched with private funding. Since 2005, UK-based AgustaWestland Helicopters has provided significant support and continues to fund Adept’s certification process through the European Aviation and Safety Agency (EASA). In 2007, the South African government’s Department of Science and Technology invested R10.5m (about $1.4 million in US dollars) to fund the company to a pre-production stage. Adept is now in discussion with prospective funders for support to ramp up to full production.

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