Hybrid-Electric Integrated Systems Testbed (HEIST) Ground TestsThe Hybrid-Electric Integrated Systems Testbed performs a full power ground test at 224 kW of Leading-Edge Asynchronous Propeller Technology to test lift at low speeds.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/hybrid-electric-integrated-systems-testbed-heist-ground-tests/Copy URL to clipboard> DownloadShareSize1041x773px