Studying the Effect of Rotor’s Coefficients on a Y-shaped Tri-copter. Al-Khwarizmi Engineering Journal, [S. l.], v. 21, n. 3, p. 66–75, 2025. DOI: 10.22153/kej.2025.12.002. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/948. Acesso em: 3 sep. 2025.