Also known as: 2重反転プロペラ, 二重反転プロペラ
Two sets of propellers, one behind the other, that rotate in opposite directions. This arrangement eliminates the effect of torque.
Also known as: 2重反転プロペラ, 二重反転プロペラ
Two sets of propellers, one behind the other, that rotate in opposite directions. This arrangement eliminates the effect of torque.
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