Maximum stationary flight duration =
Please note : this modelisation is a first approach for information purpose.
IMPORTANT : the autonomy is proportional to the propellers diameters.
(mass flow): dm = 1/2 * rho * Surface * V
(power flow): Power = 1/2 * dm * V²
Traction = dm * V
(absorbed power) Pa = 1/4 * rho * Surface * (2 * Traction / (rho * Surface))^(3/2)