3 ms·
A significant part of the noise comes from the antitorque (tail) rotor, which is much smaller and typically turning ~3x as fast as the main rotor. There are se
by ratsbane 9y ago
A significant part of the noise comes from the antitorque (tail) rotor, which is much smaller and typically turning ~3x as fast as the main rotor. There are several solutions to minimizing this noise, including ducted tail rotors and NOTAR https://en.wikipedia.org/wiki/NOTAR https://en.wikipedia.org/wiki/NOTAR