1. NASA Armstrong Fact Sheet: NASA X-57 Maxwell, https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-109.html, accessed November 9, 2020
2. Borer, N.K., Geuther, S.C., Litherland, B.L., Kohlman, L.: Design and performance of a hybrid-electric fuel cell flight demonstration concept. AIAA 2018–3357, June 2018, https://doi.org/10.2514/6.2018-3357
3. Armstrong Flight Loads Lab, https://www.nasa.gov/centers/armstrong/research/Facilities/FLL/index.html, accessed November 9, 2020
4. National Aeronautics and Space Administration, “Flight Demonstrations and Capabilities (FDC) Scalable Convergent Electric Propulsion Technology and Operations Research (SCEPTOR),” Critical Design Review,” Edwards, CA, November 2016, https://www.nasa.gov/sites/default/files/atoms/files/sceptor_cdr_day_1_package.pdf, and https://www.nasa.gov/sites/default/files/atoms/files/sceptor_cdr_day_2_package.pdf., accessed November 9, 2020
5. Heeg, J., Stanford, B.K., Wieseman, C.D., Massey, S.J., Moore, J., Truax, R., Miller, K.: Status report on aeroelasticity in the vehicle development for X-57 Maxwell. AIAA 2018–3487, June 2018, https://doi.org/10.2514/6.2018-3487