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BFR (Rocket)
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The Big Falcon Rocket (officially shortened to BFR) is a privately funded fully reusable launch vehicle and spacecraft system in development by SpaceX. The overall space vehicle architecture includes both launch vehicles and spacecraft, as well as ground infrastructure for rapid launch and relaunch, and zero-gravity propellant transfer technology to be deployed in low Earth orbit (LEO). The payload capacity to Earth orbit of at least 100,000 kg (220,000 lb) makes BFR a super heavy-lift launch vehicle. The first orbital flight is tentatively planned for 2020. SpaceX has been developing a super heavy-lift launch vehicle for many years, with the exact design and nomenclature of the vehicle undergoing multiple revisions over time. Before 2016, the vehicle was referred to as the Mars Colonial Transporter (MCT), though very few details about the design of the MCT were ever made public. Starting from 2016, SpaceX began sharing annual updates with the public, detailing the designs and uses of their upcoming new launch vehicle. In 2016, SpaceX CEO Elon Musk presented the vehicle at the International Astronautical Congress as the ITS launch vehicle, forming a core part of Musk's comprehensive vision for an Interplanetary Transport System (ITS). The ITS vehicle had a 12-meter (39 ft) core diameter, but was only intended for interplanetary travel. In September 2017, the design (now known as the BFR) was scaled down to 9 meters (30 ft) While the ITS had been solely aimed at Mars transit and other interplanetary uses, SpaceX pivoted to a plan that would support all SpaceX launch service provider capabilities with a single set of 9-meter vehicles: Earth orbit, lunar orbit, Interplanetary spaceflight, and potentially, even intercontinental passenger transport on Earth. In September 2018, a redesign of the second stage was announced, adding steerable canards, two radially adjustable fins also acting as landing legs, and a third leg that looks like a vertical stabilizer but has no aerodynamic function due to the special re-entry profile of the spacecraft. The launch vehicle design is dependent on the concurrent development work on the Raptor rocket engines, which are cryogenic methalox-fueled engines to be used for both stages of the BFR launch vehicle. Development on the Raptor began in 2012, leading to engine testing which began in 2016. The BFR system is intended to completely replace all of SpaceX's existing space hardware (the Falcon 9 and Falcon Heavy launch vehicles, and the Dragon spacecraft), initially aiming at the Earth-orbit launch market, but explicitly adding substantial capability to support long-duration spaceflight in the cislunar and Mars transport flight environments.

reusable launch vehicle vertical stabilizer launch vehicle design

References

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  76. @elonmusk (12 May 2018). "SpaceX will prob build 30 to 40 rocket cores for ~300 missions over 5 years. Then BFR takes over & Falcon retires. Goal of BFR is to enable anyone to move to moon, Mars & eventually outer planets.". https://twitter.com/elonmusk/status/995462943079723008. 
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  80. Dear Moon. Accessed: 17 September 2018. https://dearmoon.earth/
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  82. We’re going to Mars by 2024 if Elon Musk has anything to say about it. Elizabeth Rayne, SyFy Wire. 15 August 2018. https://www.syfy.com/syfywire/mars-2024-elon-musk
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  84. Brandom, Russell (September 27, 2016). "Elon Musk might name his first Mars-bound spaceship after Hitchhiker's Guide to the Galaxy". The Verge. https://www.theverge.com/2016/9/27/13081036/spacex-mars-spaceship-hitchhikers-guide-to-the-galaxy. Retrieved 2018-09-19. " We're thinking about names," Musk told the crowd. "The first ship that goes to Mars, my current favorite for it is Heart of Gold from The Hitchiker’s Guide to the Galaxy. " 
  85. Paul Wooster - SpaceX's Plans for Mars - 21st Annual International Mars Society Convention. Mars Society. 29 August 2018. Retrieved 2 September 2018. https://www.youtube.com/watch?v=C1Cz6vF4ONE
  86. Engineering Mars commercial rocket propellant production for the Big Falcon Rocket (part 1). Steve Hoeser, The Space Review. 23 April 2018. http://www.thespacereview.com/article/3479/1
  87. The biggest lingering questions about SpaceX's Mars colonization plans. Loren Grush, The Verge. 28 September 2016. https://www.theverge.com/2016/9/28/13087110/spacex-elon-musk-mars-plan-habitat-radiation-funding-questions
  88. SpaceX is quietly planning Mars-landing missions with the help of NASA and other spaceflight experts. It's about time. Dave Mosher, Business Insider. 11 August 2018. Quote: "Keeping the human body healthy in space is another challenge that Porterfield said SpaceX needs to figure out." https://www.businessinsider.com/spacex-meeting-mars-mission-planning-workshop-2018-8
  89. What SpaceX Needs to Accomplish Before Colonizing Mars. Neel V. Patel, The Inverse. 30 June 2016. Quote: "Space radiation is perhaps the biggest issue at play, and it's not quite clear if Musk has a good understanding of how it works and the extent to which it's stopping us from sending astronauts to far off worlds. […] For Musk and his colleagues to move forward and simply disregard the problem posed by cosmic rays would be insanely irresponsible." https://www.inverse.com/article/17723-spacex-mars-elon-musk-2025-colony-mission
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