Last Updated：2025/12/07

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

(astronautics) A method of reducing the rotation rate of a rapidly-spinning spacecraft by unreeling a pair of weights from the spinning spacecraft, greatly increasing the spacecraft's moment of inertia and transferring most of the spacecraft's angular momentum to the weights.

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yo-yo despin

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Source Word

yo-yo despin

Noun

uncountable

(astronautics) A method of reducing the rotation rate of a rapidly-spinning spacecraft by unreeling a pair of weights from the spinning spacecraft, greatly increasing the spacecraft's moment of inertia and transferring most of the spacecraft's angular momentum to the weights.

Japanese Meaning

（宇宙工学）回転速度の高い宇宙船の回転を低下させる手法で、宇宙船からペアの重りを展開して、その慣性モーメントを大幅に増加させることで、宇宙船の大部分の角運動量を重りに移転させる方法

What is this buttons?

The engineering team executed a yo-yo despin on the rapidly rotating satellite to reduce its spin before instrument deployment.

Google Translation / DeepL Translation

技術チームは、機器展開前に回転する衛星の回転を下げるため、二つの重りを払い出して慣性モーメントを大きくする方式を実行した。

Sense（1）

(astronautics) A method of reducing the rotation rate of a rapidly-spinning spacecraft by unreeling a pair of weights from the spinning spacecraft, greatly increasing the spacecraft's moment of inertia and transferring most of the spacecraft's angular momentum to the weights.

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