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Reminds me of Intermeshing-rotor helicopters https://en.wikipedia.org/wiki/Intermeshing-rotor_helicopter https://en.wikipedia.org/wiki/Intermeshing-rotor_helic
by ortusdux 3y ago
Reminds me of Intermeshing-rotor helicopters
https://en.wikipedia.org/wiki/Intermeshing-rotor_helicopter https://en.wikipedia.org/wiki/Intermeshing-rotor_helicopter