Last Updated
：2025/11/25
fan-in-fin
Adjective
not-comparable
Japanese Meaning
主ローターの反トルクを打ち消すために設けられた、覆い付き尾部ローター（実質的にはダクテッドファン）を意味する。
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Describing a helicopter's shrouded tail rotor, essentially a ducted fan, intended to counteract the torque of the main rotor.
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fan-in-fin
The fan-in-fin tail rotor effectively counteracts the main rotor's torque while reducing noise and improving safety during low-altitude operations.
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The fan-in-fin tail rotor effectively counteracts the main rotor's torque while reducing noise and improving safety during low-altitude operations.
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