Last Updated
：2025/12/06
gravity drag
Noun
uncountable
Japanese Meaning
（宇宙工学）上昇中の航空機や宇宙船が、重力に抗して上昇する際に受ける抵抗。すなわち、エンジンの垂直推力の一部が重力によって部分的に打ち消され、その結果、実際に得られるデルタVが低下する現象を指す。
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(astronautics) The resistance felt by a vehicle ascending against the force of gravity; reduction in delta-v experienced as a result of the partial cancellation by gravity of the vertical component of the thrust applied by a vehicle's engine(s).
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gravity drag
During the launch, engineers carefully modeled gravity drag to ensure the rocket had enough thrust to reach orbit.
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During the launch, engineers carefully modeled gravity drag to ensure the rocket had enough thrust to reach orbit.
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