Video: SpaceX Tests New Steerable ‘Fins’ on the Falcon 9R

Well, this is cool: A new video from SpaceX shows the Falcon 9 Reusable (F9R) rocket during a 1,000 meter test flight at the SpaceX facility in McGregor, Texas. This was the first flight test of a set of steerable fins that provide control of the rocket during the fly-back portion of the return flight. The fins deploy approximately 1:15 into the test flight and return to their original locked position just prior to landing.

This seems like a truly smooth flight!

These types of fins are not new, but are new for human space flight. They’ve been used on missiles and bombs to aid in precision targeting, and likewise will help the F9R to land precisely on target.

SpaceX confirmed that during the early tests flights of F9R, the landing legs will be fixed in the down position, however soon they will transition to a liftoff with the legs stowed against the side of the rocket with the legs extending just before landing. The company also said that future test flights of F9R will be at SpaceX’s New Mexico facility which will allow them to test in higher altitude flights, give them the chance to prove unpowered guidance and to prove out landing cases that are “more flight-like.”

Nancy Atkinson

Nancy has been with Universe Today since 2004, and has published over 6,000 articles on space exploration, astronomy, science and technology. She is the author of two books: "Eight Years to the Moon: the History of the Apollo Missions," (2019) which shares the stories of 60 engineers and scientists who worked behind the scenes to make landing on the Moon possible; and "Incredible Stories from Space: A Behind-the-Scenes Look at the Missions Changing Our View of the Cosmos" (2016) tells the stories of those who work on NASA's robotic missions to explore the Solar System and beyond. Follow Nancy on Twitter at https://twitter.com/Nancy_A and and Instagram at and https://www.instagram.com/nancyatkinson_ut/

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