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Learn about Hydroplane’s Hydrogen-Powered Rotor Test At EAA AirVenture Oshkosh

  • Writer: HYSKY Society
    HYSKY Society
  • Jul 16
  • 2 min read
EAA AirVenture hydrogen aircraft

Hydroplane has successfully demonstrated full rotor flight speed on its hydrogen fuel cell–powered rotor transmission test stand, marking a significant milestone toward hydrogen-powered rotorcraft operations under its XTech8 Phase 1 SBIR contract with the U.S. Army.



Building on last fall’s contract award, Hydroplane integrated its modular hydrogen fuel cell powerplant with a 23-foot rotor testbed to validate performance and mission relevance for vertical-lift and extended-range UAV/UAS use cases.


“This phase of the program was focused on validating both the performance and mission relevance of our lightweight hydrogen fuel cell powerplant for vertical lift and extended-range UAV/UAS operations,” said Dr. Anita Sengupta, CEO of Hydroplane. “Since the contract award last November, we’ve developed and tested a full-scale rotary wing testbed, integrating our electric-propulsion system with a rotor transmission and 23-foot rotor to achieve stable operation at flight-representative rotor speeds.”

Hydroplane’s modular hydrogen fuel cell powerplant is engineered to replace internal combustion engines in certified, experimental, and next-generation aircraft as well as auxiliary power units. Its quiet operation, reduced thermal signature, and scalable architecture align closely with Department of Defense priorities for resilient, logistically flexible energy solutions across the battlespace. Beyond its Army work, Hydroplane was named a winner of the 2024 xTechSearch 8 competition for its mobile hydrogen-based energy storage concept, and has completed SBIR contracts with the U.S. Navy and two with the U.S. Air Force under the Agility Prime initiative.


Dr. Anita Sengupta will share these developments in two technical talks at EAA AirVenture Oshkosh 2025:


  • Vertical Flight Society’s 19th Annual Aircraft Symposium (Propulsion & Energy Session 1)

    Saturday, July 19, 3:15 pm – 4:15 pm CDT, UW Oshkosh Reeve Memorial Union

  • Hydroplane H₂-Powered Rotorcraft Forum

    Monday, July 21, 4:00 pm – 5:15 pm CDT, EAA Museum – Vette Theater (B-8)


For more information


(Top image: Credit — Hydroplane)


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HYSKY Society is a 501(c)(3) nonprofit committed to decarbonizing aviation and aerospace with hydrogen. We welcome innovators from eVTOLs/advanced air mobility, fixed-wing aircraft, and spacecraft. Our mission is simple: if it defies gravity and uses hydrogen as fuel, it’s part of our vision for sustainable flight.

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