TY - GENERIC DO - 10.20944/preprints202109.0483.v1 UR - http://dx.doi.org/10.20944/preprints202109.0483.v1 TI - Design and Analysis of a Helium-Assisted Hybrid Drone for Flight Time Enhancement T2 - Preprints AU - Macias, Geronimo AU - Lee, Kooktae PY - 2021 DA - 2021/09/29 PB - Preprints