Beehive Industries Accelerates UAV Propulsion Development with Frenzy Engine Milestones

In a notable stride for additive manufacturing and uncrewed aerial vehicle (UAV) propulsion, Beehive Industries has completed four successful engine tests in just six months under a U.S. Air Force contract. The Denver-based propulsion manufacturer, known for its focus on defense-grade jet engines, is advancing its Frenzy engine family at a pace that challenges conventional aerospace development timelines.

From Concept to Test Stand in Record Time

Beehive’s 200 lbf Frenzy engine, introduced in December 2024, is the centerpiece of a $12.46 million contract awarded by the U.S. Air Force in partnership with the University of Dayton Research Institute (UDRI). The company transitioned from finalizing production requirements to First Engine to Test (FETT) in only five months. Since then, it has maintained a cadence of one new engine test every six weeks, a rhythm that would be ambitious even for legacy primes.

The engines, ranging from 100 to 300 lbf thrust and measuring five to eight inches in diameter, have undergone rigorous performance, durability, and environmental stress testing across Beehive’s facilities in Denver, Cincinnati, and Knoxville. Each unit exceeded its design targets for thrust and specific fuel consumption, while collectively accumulating over 20 hours of runtime.

Additive Manufacturing as a Force Multiplier

Beehive attributes its rapid development cycle to its “additively-enabled” manufacturing approach, which leverages advanced 3D printing techniques to streamline design iteration and reduce lead times. While additive manufacturing has long been touted as a disruptor in aerospace, Beehive’s execution offers a compelling case study in how it can compress multi-year development cycles into months.

This approach aligns with broader Department of Defense initiatives to accelerate technology transition and reduce sustainment costs. The U.S. Air Force Rapid Sustainment Office, which oversees the contract, has increasingly emphasized agile manufacturing as a strategic priority.

Operational Readiness and Strategic Implications

Beyond technical validation, the Frenzy engines are designed for long-term storage and immediate deployability, with a shelf life exceeding ten years. This feature is particularly relevant for distributed UAV operations, where logistics simplicity and readiness are paramount. As defense planners explore swarming tactics and attritable platforms, propulsion systems like Frenzy could play a pivotal role in enabling scalable, cost-effective deployment.

Beehive’s Chief Product Officer Gordie Follin noted that the test results “reinforce our mission to provide the U.S. military with affordable, high-performance propulsion systems that can be deployed at scale.” While the statement reflects typical program optimism, the underlying data suggests meaningful progress toward that goal.

Next Steps: Altitude Testing and Flight Trials

With ground testing complete, Beehive is preparing for altitude testing in Q4 2025, followed by flight testing in early 2026. The company’s roadmap includes a propulsion portfolio spanning 80 to 5,000 lbf, positioning it to support a range of UAV classes from tactical reconnaissance to heavier strike platforms.

This milestone builds on Beehive’s prior work with a 500 lbf engine tested in 2024, signaling a methodical expansion of its capabilities. For aerospace stakeholders tracking propulsion innovation, Beehive’s trajectory offers a glimpse into how smaller firms can punch above their weight by combining additive manufacturing with disciplined program execution.

A Shifting Landscape for UAV Propulsion

Beehive’s progress comes amid growing interest in modular, scalable propulsion solutions for UAVs. As defense budgets prioritize uncrewed systems and attritable platforms, propulsion remains a critical enabler. Traditional turbine manufacturers have been slow to adapt to the unique demands of UAVs, leaving room for agile entrants like Beehive to define new performance and cost benchmarks.

The company’s partnership with UDRI also reflects a broader trend of academia-industry-government collaboration, particularly in areas where rapid prototyping and transition are essential. With altitude testing on the horizon, Beehive’s Frenzy program will be one to watch as the UAV propulsion sector continues to evolve.