|MadSci Network: Engineering|
Text books dealing with rocketry commonly discuss the delta V assist from Earth's rotational velocity, and conclude: "The best place to build a launch pad for hurling satellites into orbits is on the equator, and the best launch direction is always due east." With the tracking resources available to and through NASA I am assuming that this delta V idea is scientifically proven every time a rocket goes up (and a shuttle comes back down). If so, then I am hoping that someone could tell me exactly when a rocket experiences this delta V. I am assuming that it would be either: 1) before launch 2)at the moment of lift-off, 3)at the moment orbit velocity is attained, or 4)somewhere between launch and orbit.
Re: In rocket launches, when does the delta V from Earth's rotation kick in?
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