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Suffixes used were S, for structural, F for facilities, T for all-systems test, and D for dynamic testing.įollowing is a history of each component of the dynamic test article in order of appearance.īP-27 sat atop the S-IB dressed with sensors for dynamic testing as seen here before it was used for Saturn V testing. For example, S-IC-D was the first stage, S-IC, for dynamic testing, and S-IC-1 was the first flight model of the first stage. In naming the individual stages, MSFC used the stage designation with a suffix indicating its purpose. Because the Saturn V shared some components with the Saturn IB, some of the components for SA-500D were initially used for dynamic testing with the Saturn IB stack. The components used for testing were developed from 1964–66, and the tests conducted in 1966-67. The Saturn V Dynamic Test Stand with "electrodynamic shakers" provided a table capable not only of holding the Saturn V fully assembled and fueled, but also able to simulate the vibrations that would be generated by rocket engines. SA-500D was the assembly of these components for dynamic testing. The IU was the guidance and control computer. The third stage, S-IVB provided the final push to orbit and the trans-lunar injection burn to set the Apollo spacecraft on a course to the Moon. The second stage, S-II, was responsible for lifting the remaining parts nearly to Earth orbit. Afterwards, it was jettisoned to fall into the Atlantic Ocean and the second stage continued acceleration. The first stage, S-IC, delivered 7,610,000 pounds-force ( Template:Convert/round MN) thrust and delivered the other stages to 200,000 feet ( Template:Convert/round km). The Saturn V consisted of three stages and an Instrument Unit (IU). The vehicle designated SA-500D did not include an Apollo spacecraft, but boilerplate parts were used during testing to verify the entire system. SA-500T, All Systems Test model, for static firing of engines in the flight configuration.SA-500F, the facilities checkout model, verify launch facilities, train launch crews, and develop test and checkout procedures.Structural Test model, to certify the structure for loads during launch at the anticipated temperatures, and to assess the stiffness of each stage.Battleship Test model, used for initial engine firing and design improvements.This configuration showed the Saturn V's "bending and vibration characteristics" and verified "the adequacy of guidance and control systems' design." The rocket's 7,610,000 pounds-force ( Template:Convert/round MN) of thrust would generate vigorous shaking and it was important to see that the rocket would not shake apart or vibrate itself off-course. SA-500D was one of the five pre-flight configurations of the Saturn V. These configurations were subjected to tests simulating all aspects of flight preparations and flight itself, and all the tests needed to demonstrate satisfactory results before MSFC would certify the Saturn V to fly.
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To validate the Saturn V design and procedures, they created five pre-flight configurations for testing. Before a Saturn V could launch, engineers needed to verify that their design had accounted for everything the rocket would encounter on its journey, from assembly to the launchpad and from Earth to the Moon.