US Army Awards a $1.9 Million Contract to Electra for Developing Hybrid-Electric Aircraft Propulsion Systems

The U.S Army has given Electra.aero, Inc., a $1.9 million Small Business Innovation Research (SBIR) to further the research and development of hybrid-electric powertrain, power, and propulsion systems (HEPPS). This collaboration aims to explore the potential of hybrid-electric technology to enhance the effectiveness and mission capabilities of both current and future Army aircraft platforms.

Under the agreement, Electra will leverage its expertise in hybrid-electric propulsion systems, particularly relating to its EL9, a nine-passenger ultra-short takeoff and landing (Ultra-STOL) aircraft. In that, the company will conduct technology maturation and risk reduction activities in order to provide the Army with valuable data and insights into the benefits, trade-offs, and operational considerations related to hybrid-electric propulsion.

The potential benefits of hybrid-electric propulsion for military aircraft are multifaceted. 

The ability to operate from small, rugged sites increases operational flexibility and reduces reliance on traditional airfields. Reduced fuel demand translates to lower operating costs and decreased logistical burdens. The quiet operation of hybrid-electric aircraft enhances stealth capabilities and minimizes environmental impact.

Donn Yates, Vice President of Government Programs at Electra, stated that this project offers the Army a clear understanding of how hybrid-electric technologies can meet real operational demands and enable new logistics capabilities. He also added that the company’s Ultra-STOL aircraft, capable of operating from small, rugged sites, promises to reduce fuel demand and increase operational flexibility.

The EL2 prototype has already demonstrated ultra-short takeoffs and landings in under 150 feet, enabling deployment in areas as small as soccer fields, facilitating contested logistics and agile basing strategies. The EL9 further enhances these capabilities, offering quiet takeoff and landing in helicopter-sized spaces, mobile power capabilities, and the safety, cost, and range benefits of a fixed-wing aircraft.

Furthermore, the mobile power capabilities of the EL9 could provide a valuable resource in remote or contested areas.

This research and development contract represents a significant step toward integrating hybrid-electric technology into U.S. Army aviation, paving the way for enhanced mission capabilities and a more sustainable future.

Over an 18-month period, Electra will undertake six core tasks, including a trade study, operational analysis, modeling and simulation, flight test, and evaluation for HEPPS technology maturation. This comprehensive approach will allow the U.S. Army to thoroughly assess the potential of hybrid-electric propulsion systems and their impact on future military aviation.

Image credit: Electra