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Bushliner 1850 Aircraft to Feature 350 HP DeltaHawk Jet-Fuel Engine

Bushliner 1850 to Feature Advanced 350 HP DeltaHawk Jet-Fuel Engine
Bushliner Aircraft has entered into a strategic collaboration with DeltaHawk Engines to integrate the latter’s 350 horsepower DHK6A350 jet-fuel-powered diesel engine into the Bushliner 1850 aircraft. This partnership, formalized through a signed Letter of Intent, initiates a phase of engineering data exchange and technical cooperation between the two companies, signaling a significant advancement in aircraft propulsion technology.
Engine Development and Certification Timeline
The DHK6A350 represents a six-cylinder evolution of DeltaHawk’s FAA-certified four-cylinder engine, retaining proprietary technology and most certified components from its predecessor. Currently under development, the 350 hp variant is expected to reach completion by 2026, with FAA certification anticipated in 2027. The Bushliner 1850 will serve as the launch platform for this new engine, with Bushliner planning to offer the engine package as an option for both experimental and special mission variants of the aircraft. Additionally, the company intends to pursue ongoing Part 23 certification for the 1850 model.
Kyle Fosso, Co-Founder and President of Bushliner Aircraft, emphasized the engine’s operational versatility, noting its ability to run on multiple fuel types, including #2 diesel. This flexibility is particularly advantageous for operators in remote locations, allowing refueling from sources such as farms, ranches, or other isolated fuel supplies, akin to the use of mogas in smaller aircraft. Fosso highlighted that for military and international customers, this multi-fuel capability is not merely a preference but a critical requirement.
Strategic Importance and Market Implications
DeltaHawk CEO Christopher Ruud underscored the strategic value of the collaboration, expressing enthusiasm about Bushliner’s role as the launch customer for the DHK6A350 engine. He pointed out that the Bushliner 1850’s presence in global markets where Avgas is either unavailable or prohibitively expensive enhances the engine’s appeal and utility.
The integration of the DHK6A350 into the Bushliner 1850 addresses a growing market demand for more efficient and powerful aircraft engines capable of operating on widely accessible fuels such as diesel and jet fuel. This development is expected to attract buyers seeking operational flexibility and cost efficiency, particularly in regions where Avgas supply is limited or costly.
Nonetheless, the partnership faces challenges, including ensuring the reliability and performance of the new 350 hp engine within the Bushliner 1850 platform and navigating the complex regulatory landscape for both experimental and special mission aircraft. The success of this collaboration may prompt competitors to advance their own engine technologies to maintain market competitiveness, especially if the DeltaHawk engine demonstrates robust performance and dependability.
Following the FAA certification of DeltaHawk’s DHK180 engine last year, flight testing of the new six-cylinder DHK6A350 is currently underway at DeltaHawk’s facility in Racine, Wisconsin. The company has also announced additional engine models, including 200 and 235 hp variants, further expanding its portfolio of jet-fuel piston engines in preparation for broader market adoption.

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