| Site Navigation |
|
Categories: Celestial mechanics Orbits Rocketry Spaceflight |
Summary Of: Gravity turnThe term gravity turn is also used to describe the use of a planet... whereas the gravity turn only changes the direction the spacecraft is traveling... The gravity turn is commonly utilized with launch vehicles such as a rocket or the... maneuver is the only time during an ideal gravity turn ascent that thrust must be used for purposes of steering... The gravity turn descent is well suited to vehicles such as the... program called Lander which was used to simulate gravity turn landings used exactly this concept by actually simulating a vehicle taking off from the surface... with a gravity turn launch and making the fuel flow rate negative... The idea of using a gravity turn maneuver to land a vehicle was originally developed for the... In this case a gravity turn is not the optimal entry trajectory but it does allow for approximation of the true... The gravity turn trajectory is most commonly utilized during the initial launch stage of a rocket... after the gravity turn through the atmosphere... of the Apollo missions this transition from a gravity turn pitch program to closed... To serve as an example of how the gravity turn can be used for a powered landing... a near constant visual separation from an ideal gravity turn until the landing is almost complete... Although gravity turn trajectories use minimal steering thrust they are not always the most efficient possible launch or... Several things can affect the gravity turn procedure making it less efficient or even impossible due to the design limitations of the... change in both speed and direction whereas the gravity turn only changes the direction of flight... the Apollo program were carried out using a gravity turn in order to minimize lateral stress on the rocket... the lunar landers utilized a gravity turn landing and ascent from the moon... first flyby of Mercury the spacecraft underwent a gravity turn which allowed it to make a second flyby of the planet... The simplest case of the gravity turn trajectory is that which describes a point mass vehicle...Encyclodia Page On: Gravity turn |
