Eli5: what are the benefits of a normal helicopter design vs a quadcopter we see on drones?
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Significant benefit of an RC helicopter vs. quad-rotor drone – both using lithium-polymer battery for driving an electric motor(s) is it’s more quiet – longer blades spinning more slowly mean a lower frequency sound which is also much more difficult to locate vs. high pitch sound.
RC helicopter vs. conventional quad-rotor drone is significantly more agile/maneuverable. For example, can fly inverted. If your exposure to drone flight is via DRL, watch YouTube videos of RC helis – watch this – [https://www.youtube.com/watch?v=QSiwyoQldfo](https://www.youtube.com/watch?v=QSiwyoQldfo) – but this machine is set up for absolute performance. Set up for lower rotor head speed and the model is not as agile but is much more silent/stealthy.
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