Coaxial Rotor Calculator: Spacing, Interference and Efficiency
Compare rotor spacing, diameter ratio and pitch offset using coupled blade-element momentum theory. Find a torque-balanced hover design and its figure of merit.
Compare rotor spacing, diameter ratio and pitch offset using coupled blade-element momentum theory. Find a torque-balanced hover design and its figure of merit.
Estimate multicopter hover time from battery energy and rotor physics. Check thrust-to-weight ratio and payload limits for a chosen endurance target.
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