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SpaceX Starship design history

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Before settling on the 2018 Starship design, SpaceX successively presented a number of reusable super-heavy lift vehicle proposals. These preliminary spacecraft designs were known under various names ( Mars Colonial Transporter , Interplanetary Transport System , BFR ).

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83-588: In November 2005, before SpaceX had launched its first rocket, the Falcon 1 , CEO Elon Musk first mentioned a high-capacity rocket concept able to launch 100 t (220,000 lb) to low Earth orbit , dubbed the BFR . Later in 2012, Elon Musk first publicly announced plans to develop a rocket surpassing the capabilities of the existing Falcon 9 . SpaceX called it the Mars Colonial Transporter , as

166-603: A mass simulator as a payload. On 14 July 2009, Falcon 1 made its second successful flight, delivering the Malaysian RazakSAT satellite to orbit on SpaceX's first commercial launch (fifth and final launch overall). While SpaceX had announced an enhanced variant, the Falcon 1e , following this flight, the Falcon 1 was retired in favor of the Falcon 9 v1.0 , the first version of the company’s successful and long-running Falcon 9 launch vehicle. The Falcon 1 rocket

249-534: A coast period, the second stage restarted and performed a successful second burn, resulting in a final orbit of 621 × 643 km × 9.35°. The rocket followed the same trajectory as the previous flight, which failed to place the Trailblazer , NanoSail-D , PRESat and Celestis Explorers spacecraft into orbit. No major changes were made to the rocket, other than increasing the time between first-stage burnout and second-stage separation. This minor change addressed

332-548: A factor of thirty. The second test flight was originally scheduled for January 2007, but was delayed because of problems with the second stage. Before the January launch date, SpaceX had stated earlier potential launch dates, moving from September 2006 to November and December. In December the launch was rescheduled for 9 March, but delayed because of range availability issues caused by a Minuteman III test flight, which would re-enter over Kwajalein. The launch attempt on 19 March

415-443: A final velocity of 5.1 km/s, compared to 7.5 km/s needed for orbit. SpaceX characterized the test flight as a success, having flight-proven over 95% of Falcon 1's systems. Their primary objectives for this launch were to test responsive launch procedures and gather data. The SpaceX team planned both a diagnosis and solution vetted by third-party experts, believing that the slosh issue could be corrected by adding baffles to

498-452: A high-speed drogue chute and a main chute. For the first two launches, the Falcon 1 used a Merlin 1A engine. An improved version of the Merlin 1A, the Merlin 1B, was supposed to fly on later flights of the Falcon 1, although it was further improved to create the Merlin 1C, which was first flown on the third Falcon 1 flight, and on the first 5 flights of the Falcon 9. The Falcon 1 first stage

581-579: A long-term and high-capacity rocket concept named BFR. The BFR would be able to launch 100 t (220,000 lb) to LEO and would be equipped with Merlin 2 engines. The Merlin 2 would have been in direct lineage to the Merlin engines used on the Falcon 9 , described as a scaled up regeneratively cooled engine comparable to the F-1 engines used on the Saturn V . In July 2010, after the final launch of Falcon 1

664-428: A reusable booster and spacecraft. The stages' tanks were to be made from carbon composite , storing liquid methane and liquid oxygen. Despite the rocket's 300 t (660,000 lb) launch capacity to low Earth orbit, it was expected to have a low launch price. The spacecraft featured three variants: crew, cargo, and tanker; the tanker variant is used to transfer propellant to spacecraft in orbit. The concept, especially

747-588: A single MCT booster or spacecraft. The preliminary design would be at least 10 meters (33 ft) in diameter, and was expected to have up to three cores totaling at least 27 booster engines. In 2016, the name of the Mars Colonial Transporter system was changed to the Interplanetary Transport System ( ITS ), due to the vehicle being capable of other destinations. Additionally, Elon Musk provided more details about

830-572: A vacuum, several times the 36 MN (8,000,000 lbf) thrust of the Saturn V . It weighed 275 tonnes (606,000 lb) when empty and 6,700 tonnes (14,800,000 lb) when completely filled with propellant. It would have used grid fins to help guide the booster through the atmosphere for a precise landing. The engine configuration included 21 engines in an outer ring and 14 in an inner ring. The center cluster of seven engines would be able to gimbal for directional control, although some directional control would be achieved via differential thrust with

913-468: A year prior, SpaceX presented launch vehicle and Mars space tug concepts at a conference. The launch vehicle concepts were called Falcon X (later named Falcon 9), Falcon X Heavy (later named Falcon Heavy), and Falcon XX (later named Starship); the largest of all was the Falcon XX with a 140 t (310,000 lb) capacity to low Earth orbit. To deliver such payload, the rocket would have been as tall as

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996-431: Is point-to-point flights (called "Earth to Earth" flights by SpaceX), traveling anywhere on Earth in under an hour. In 2017 SpaceX president and chief operating officer Gwynne Shotwell stated that point-to-point travel with passengers could become cost competitive with conventional business class flights. John Logsdon , an academic on space policy and history, said that the idea of transporting passengers in this manner

1079-732: Is hosted by one of the national society members of the International Astronautical Federation (IAF), with the support of the International Academy of Astronautics (IAA) and the International Institute of Space Law (IISL). It consists of plenary sessions , lectures and meetings. The IAC is attended by the agency heads and senior executives of the world's space agencies . As the Second World War came to an end,

1162-743: Is in charge of governing the Federation. Composed of delegates from every member organization, the assembly is responsible for voting to approve all major decisions regarding the Federation's rules and regulations as well as the acceptance of new member organizations. The General Assembly meets during the International Astronautical Congress. The IAF Bureau sets the agenda of the IAF General Assembly, including: review of new member candidates; supervision of IAF activities; and supervision of IAF accounts. It

1245-606: The International Astronautical Congress , Musk announced a new launch vehicle calling it the BFR , again changing the name, though stating that the name was temporary. The acronym was alternatively stated as standing for Big Falcon Rocket or Big Fucking Rocket , a tongue-in-cheek reference to the BFG from the Doom video game series . Musk foresaw the first two cargo missions to Mars as early as 2022, with

1328-550: The Kwajalein Atoll in the Marshall Islands . Liftoff occurred at 23:15 UTC on 28 September 15 minutes into a 5-hour launch window. If the launch had been scrubbed, it could have been conducted during the same window until 1 October. 9 minutes 31 seconds after launch, the second-stage engine shut down, after the vehicle reached orbit. The initial orbit was reported to be about 330 × 650 km. Following

1411-536: The Trailblazer (Jumpstart-1) satellite for the US Air Force , the NanoSail-D and PREsat nanosatellites for NASA and a space burial payload for Celestis . The rocket did not reach orbit. However, the first stage, with the new Merlin 1C engine, performed perfectly. When preparing for launch, an earlier launch attempt was delayed by the unexpected slow loading of helium onto the Falcon 1; thus exposing

1494-724: The United States Department of Defense under a program that evaluates new US launch vehicles suitable for use by DARPA . As part of a US$ 15 million contract, Falcon 1 was to carry the TacSat-1 in 2005. By late May 2005, SpaceX stated that Falcon 1 was ready to launch TacSat-1 from Vandenberg. But the Air Force did not want the launch of an untested rocket to occur until the final Titan IV flew from nearby SLC 4E. Subsequent and repeated delays due to Falcon 1 launch failures delayed TacSat-1's launch. After TacSat-2

1577-439: The Falcon 1 and 1e would fly as secondary payloads on the Falcon 9. Historically, the Falcon 1 was originally planned to launch about 600 kilograms (1,300 lb) to low-Earth orbit for US$ 6,000,000 but later declined to approximately 420 kilograms (930 lb) as the price increased to approximately US$ 9,000,000. It was SpaceX's offering intended to open up the smallsat launch market to competition . The final version of

1660-564: The Falcon 1 was designed to minimize price per launch for low-Earth-orbit satellites , increase reliability, and optimize flight environment and time to launch. It also was used to verify components and structural design concepts that would be reused in the Falcon 9 . SpaceX started with the idea that the smallest useful orbital rocket was the minimum viable product (Falcon 1 with about 450 kg or 990 lb to orbit), instead of building something larger and more complicated, and then running out of money and going bankrupt. The first stage

1743-410: The Falcon 1, the Falcon 1e, was projected to provide approximately 1,000 kg (2,200 lb) for US$ 11 million. Several years ago, SpaceX was going to open up the smallsat launch market with the Falcon 1, which originally was to launch about 600 kilograms to LEO for $ 6 million; the payload capacity later declined to about 420 kg (930 lb) as the price increased to around $ 9 million. Later,

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1826-583: The Falcon 1e was to provide approximately 1,000 kg (2,200 lb) for $ 11 million, but the company withdrew the vehicle from the market, citing limited demand. All flights were launched from Kwajalein Atoll using the SpaceX launch facility on Omelek Island and range facilities of the Reagan Test Site . Vandenberg AFB Space Launch Complex 3 W was the original launch site for Falcon 1, but it

1909-482: The Falcon 1e. The helium pressurization system pumps propellant to the engine, supplies heated pressurized gas for the attitude control thrusters, and is used for zero- g propellant accumulation prior to engine restart. The Kestrel engine includes a titanium heat exchanger to pass waste heat to the helium, thereby greatly extending its work capacity. The pressure tanks are composite overwrapped pressure vessels made by Arde corporation with inconel alloy and are

1992-525: The Falcon 9, principally because the ITS would have both a lower mass ratio and a lower density. The booster was to be designed for 20  g nominal loads, and possibly as high as 30–40  g . In contrast to the landing approach used on SpaceX's Falcon 9 —either a large, flat concrete pad or downrange floating landing platform , the ITS booster was to be designed to land on the launch mount itself, for immediate refueling and relaunch. The ITS second stage

2075-516: The Moon or Mars. After refueling in an elliptical Earth orbit, BFS was designed to eventually be able to land on the Moon and return to Earth without another refueling. The BFR also aimed to carry passengers/cargo in Earth-to-Earth transport, delivering its payload anywhere within 90 minutes. In December 2018, the structural material was changed from carbon composites to stainless steel, marking

2158-525: The NASA experiments in the payload and the TDRS system. The first launch attempt on 21 March 2007 was aborted at 00:05 GMT at the last second before launch and after the engine had ignited. It was, however, decided that another launch should be made the same day. The rocket successfully left the launch pad at 01:10 GMT on 21 March 2007 with a DemoSat payload for DARPA and NASA . The rocket performed well during

2241-535: The RazakSAT spacecraft and the Falcon 1 launch vehicle. A concern had been identified regarding the potential impact of predicted vehicle environments on the satellite. On 1 June, SpaceX announced that the next launch window would open Monday, 13 July and extend through Tuesday, 14 July, with a daily window to open at 21:00 UTC (09:00 local time ). The launch on Monday, 13 July was successful, placing RazakSAT into its initial parking orbit . Thirty-eight minutes later,

2324-588: The Saturn V and use six powerful Merlin 2 engines. In October 2012, the company made the first public articulation of plans to develop a fully reusable rocket system with substantially greater capabilities than SpaceX's existing Falcon 9. Later in 2012, the company first mentioned the Mars Colonial Transporter rocket concept in public. It was going to be able to carry 100 people or 100 t (220,000 lb) of cargo to Mars and would be powered by methane-fueled Raptor engines. Musk referred to this new launch vehicle under

2407-731: The United States and the Soviet Union held different and competing political worldviews. As the Cold War began to take shape, communication between the two countries became less frequent. Both countries turned their focus to achieving military superiority over the other. Six years after the Iron Curtain fell, the IAF was formed by scientists from all over Europe in the field of space research in order to collaborate once more. During

2490-419: The booster Super Heavy . In September 2019, Musk held an event about Starship development during which he further detailed the lower-stage booster, the upper-stage's method of controlling its descent, the heat shield, orbital refueling capacity, and potential destinations besides Mars. Over the years of design, the proportion of sea-level engines to vacuum engines on the second stage varied drastically. By 2019,

2573-409: The bump did not appear to have caused damage, and that the reason why they chose a niobium skirt instead of carbon–carbon was to prevent problematic damage in the event of such incidents. Shortly after second-stage ignition, a stabilization ring detached from the engine bell as designed. At around T+4:20, a circular coning oscillation began, which increased in amplitude until video was lost. At T+5:01,

SpaceX Starship design history - Misplaced Pages Continue

2656-497: The concept was temporarily re-dubbed the BFR. In December 2018, the structural material was changed from carbon composites to stainless steel, marking the transition from early design concepts of the Starship. Musk cited numerous reasons for the design change; low cost, ease of manufacture, increased strength of stainless steel at cryogenic temperatures , and ability to withstand high temperatures. In 2019, SpaceX began to refer to

2739-445: The correction. The rocket continued to within one minute of its expected duration and also managed to deploy the satellite mass-simulator ring. While the webcast video ended prematurely, SpaceX was able to retrieve telemetry for the entire flight. The status of the first stage is unknown; it was not recovered because of problems with a nonfunctioning GPS tracking device. The rocket reached a final altitude of 289 km (180 mi) and

2822-613: The design burst pressure was completed in November 2016. In July 2017, Musk indicated that the architecture design had evolved since 2016 in order to support commercial transport via Earth-orbit and cislunar launches. The ITS booster was to be a 12 m-diameter (39 ft), 77.5 m-high (254 ft), reusable first stage powered by 42 engines, each producing 3,024 kilonewtons (680,000 lbf) of thrust . Total booster thrust would have been 128 MN (29,000,000 lbf) at liftoff, increasing to 138 MN (31,000,000 lbf) in

2905-494: The entire vehicle as Starship, with the second stage being called Starship and the booster Super Heavy . They also announced that Starship would use reusable heat shield tiles similar to those of the Space Shuttle . The second-stage design had also settled on six Raptor engines by 2019; three optimized for sea-level and three optimized for vacuum . In 2019 SpaceX announced a change to the second stage's design, reducing

2988-464: The facility is being built, we will start construction of the first ship [in the second quarter of 2018.]" By early 2018, the first carbon composite prototype ship was under construction, and SpaceX had begun building a new production facility at the Port of Los Angeles , California. In March, SpaceX announced that it would manufacture its launch vehicle and spaceship at a new facility on Seaside Drive at

3071-470: The failure seen on the previous flight, recontact between the first and second stages, by dissipating residual thrust in the first-stage engine before separating them. Ratsat and the attached second stage are still in orbit as of 2021. SpaceX announced that it had completed construction of the fifth Falcon 1 rocket and was transporting the vehicle to the Kwajalein Atoll launch complex where it

3154-503: The first privately developed fully liquid-fueled launch vehicle to successfully reach orbit. The Falcon 1 used LOX / RP-1 for both stages, the first stage powered by a single pump-fed Merlin engine, and the second stage powered by SpaceX's pressure-fed Kestrel vacuum engine. The vehicle was launched a total of five times. After three failed launch attempts, Falcon 1 achieved orbit on its fourth attempt in September 2008 with

3237-403: The first privately funded and developed liquid-propellant rocket to reach orbit. The fifth launch was its first commercial flight, and placed RazakSAT into low Earth orbit . The maiden flight of the Falcon 1 was postponed several times because of various technical issues with the new vehicle. Scheduling conflicts with a Titan IV launch at Vandenberg AFB also caused delays and resulted in

3320-495: The first stage engine (Merlin) is ignited and throttled to full power while the launcher is restrained and all systems are verified by the flight computer. If the systems are operating correctly, the rocket is released and clears the tower in about seven seconds. The first-stage burn lasts about 2 minutes and 49 seconds. Stage separation is accomplished with explosive bolts and a pneumatically actuated pusher system. The second stage Kestrel engine burns for about six minutes, inserting

3403-426: The first-stage burn. However, during staging, the interstage fairing on the top of the first stage bumped the second-stage engine bell. The bump occurred as the second-stage nozzle exited the interstage, with the first stage rotating much faster than expected (a rotation rate of about 2.5°/s vs. expected rate of 0.5°/s maximum), thereby making contact with the niobium nozzle of the second stage. Elon Musk reported that

SpaceX Starship design history - Misplaced Pages Continue

3486-463: The fixed engines. Each engine would be capable of throttling between 20 and 100 percent of rated thrust. The design goal was to achieve a separation velocity of about 8,650 km/h (5,370 mph) while retaining about 7% of the initial propellant to achieve a vertical landing at the launch pad.The design called for grid fins to guide the booster during atmospheric reentry . The booster return flights were expected to encounter loads lower than

3569-407: The fuel and oxidizer to the cryogenic helium, rendering the vehicle in a premature launch state. Still within the specified window, the launch attempt was recycled, but aborted half a second before lift-off because of a sensor misreading. The problem was resolved, and the launch was again recycled. With 25 minutes left in the launch window, the Falcon 1 lifted off from Omelek Island at 03:35 UTC. During

3652-417: The goal to "confirm water resources and identify hazards" while deploying "power, mining, and life support infrastructure" for future flights. This would be followed by four ships in 2024, two crewed BFR spaceships plus two cargo-only ships carrying equipment and supplies for a propellant plant. The design balanced objectives such as payload mass, landing capabilities, and reliability. The initial design showed

3735-459: The house. So it was a shitty summer. Following the three prior failures, the SpaceX team assembled the fourth rocket using available parts in six weeks as a last chance for the company. A Boeing C-17 Globemaster III was chartered to quickly deliver the rocket, but along the way, the rocket partially imploded when repressurization exceeded what the SpaceX team had expected from the C-17's manual and

3818-498: The launch moving to the Reagan Test Site in the Kwajalein Atoll . The maiden launch was scheduled for 31 October 2005, but was held off, then rescheduled for 25 November, which also did not occur. Another attempt was made on 19 December 2005 but was scrubbed when a faulty valve caused a vacuum in the first stage fuel tank which sucked inward and caused structural damage. After replacing the first stage, Falcon 1 launched Saturday, 25 March 2006 at 09:30 local time . The DARPA payload

3901-437: The launch video, rocking back and forth a bit, and then at T+26 seconds rapidly pitched over. Impact occurred at T+41 seconds onto a dead reef about 250 feet from the launch site. The FalconSAT–2 payload separated from the booster and landed on the island, with damage reports varying from slight to significant. SpaceX initially attributed the fire to an improperly tightened fuel-line nut. A later review by DARPA found that

3984-532: The launch, small vehicle roll oscillations were visible. Stage separation occurred as planned, but because residual fuel in the new Merlin 1C engine evaporated and provided transient thrust, the first stage recontacted the second stage, preventing successful completion of the mission. The SpaceX flight-3 mission summary indicated that flight 4 would take place as planned and that the failure of flight 3 did not make any technological upgrades necessary. A longer time between first-stage engine shutdown and stage separation

4067-417: The much hotter windward side would be cooled by allowing fuel or water to bleed through micropores in a double-wall stainless steel skin, removing heat by evaporation . The liquid-cooled windward side was changed in 2019 to use reusable heat shield tiles similar to those of the Space Shuttle . In 2019, SpaceX began to refer to the entire vehicle as Starship, with the second stage being called Starship and

4150-401: The number of aft flaps from three to two to reduce weight. In March 2020, SpaceX released a Starship Users Guide, in which they stated the payload of Starship to low Earth orbit (LEO) would be in excess of 100 t (220,000 lb), with a payload to GTO of 21 t (46,000 lb). In November 2005, before SpaceX launched the Falcon 1 , its first rocket, CEO Elon Musk first referenced

4233-452: The nut was properly tightened, since its locking wire was still in place, but had failed because of corrosion from saltwater spray. SpaceX implemented numerous changes to the rocket design and software to prevent this type of failure from recurring, including stainless steel to replace aluminum hardware (which is actually less expensive, although the trade off is being a little heavier in weight) and pre-liftoff computer checks that increased by

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4316-584: The payload into a low Earth orbit. It is capable of multiple restarts. SpaceX quoted Falcon 1 launch prices as being the same for all customers. In 2005 Falcon 1 was advertised as costing $ 5.9 million ($ 7.3 million when adjusted for inflation in 2015). In 2006 until 2007 the quoted price of the rocket when operational was $ 6.7 million. In late 2009 SpaceX announced new prices for the Falcon 1 and 1e at $ 7 million and $ 8.5 million respectively, with small discounts available for multi-launch contracts, and in 2012 announced that payloads originally selected as flying on

4399-632: The port. By May, about 40 SpaceX employees were working on the BFR. SpaceX planned to transport the launch vehicle by barge , through the Panama Canal , to Cape Canaveral for launch. Since then, the company has terminated the agreements to do this. In August 2018, the head of the US Air Force Air Mobility Command expressed interest in the ability of the BFR to move up to 150 t (330,000 lb) of cargo anywhere in

4482-453: The reason that I ended up being the chief engineer or chief designer, was not because I want to, it's because I couldn't hire anyone. Nobody good would join. So I ended up being that by default. And I messed up the first three launches. The first three launches failed. Fortunately the fourth launch which was – that was the last money that we had for Falcon 1 – the fourth launch worked, or that would have been it for SpaceX. Musk further explained

4565-487: The rocket had to undergo emergency repairs to be saved. Despite the challenges, the fourth flight of the Falcon 1 rocket successfully flew on 28 September 2008, delivering a 165-kilogram (363-pound) non-functional boilerplate spacecraft into low Earth orbit . It was Falcon 1's first successful launch and the first successful orbital launch of any privately funded and developed , fully liquid-propelled carrier rocket. The launch occurred from Omelek Island , part of

4648-399: The rocket was to transport humans to Mars and back. In 2016, the name was changed to Interplanetary Transport System , as the rocket was planned to travel beyond Mars as well. The design called for a carbon fiber structure, a mass in excess of 10,000 t (22,000,000 lb) when fully-fueled, a payload of 300 t (660,000 lb) to low Earth orbit while being fully reusable. By 2017,

4731-483: The rocket's second-stage engine fired again to circularize the orbit. The payload was then successfully deployed. After the launch Elon Musk , founder and CEO of SpaceX, told a reporter the launch had been a success. "We nailed the orbit to well within target parameters...pretty much a bullseye" Musk said. The Falcon 1 upper stage is still in low Earth orbit as of 2021. Following the fifth flight, future launches of Falcon-1 were postponed, and eventually cancelled, and

4814-486: The same as those used in the Delta III . The second stage was powered by a pressure-fed Kestrel engine with 31 kilonewtons (7,000 lbf) of vacuum thrust and a vacuum specific impulse of 330 s. The first stage was originally planned to return by parachute to a water landing and be recovered for reuse, but this capability was never demonstrated. The second stage was not designed to be reusable. At launch,

4897-594: The second stage design had settled on six Raptor engines—three optimized for sea-level and three optimized for vacuum . To decrease weight, aft flaps on the second stage were reduced from three to two. Later in 2019, Musk stated that Starship was expected to have a mass of 120,000 kg (260,000 lb) and be able to initially transport a payload of 100,000 kg (220,000 lb), growing to 150,000 kg (330,000 lb) over time. Musk hinted at an expendable variant that could place 250 tonnes into low orbit. One possible future use of Starship that SpaceX has proposed

4980-455: The second-stage LOX tank and adjusting the control logic. Furthermore, the Merlin shutdown transient was to be addressed by initiating shutdown at a much lower thrust level, albeit at some risk to engine reusability. The SpaceX team wished to work on the problem to avoid a recurrence as they changed over into the operational phase for Falcon 1. SpaceX attempted the third Falcon 1 launch on 3 August 2008 (GMT) from Kwajalein . This flight carried

5063-540: The ship to land in a variety of atmospheric densities (vacuum, thin, or heavy atmosphere) with a wide range of payloads. The BFS design originally had six Raptor engines, with four vacuum and two sea-level. By late 2017, SpaceX added a third sea-level engine (totaling 7) to allow greater Earth-to-Earth payload landings and still ensure capability if one of the engines fails. Three BFS versions were described: BFS cargo, BFS tanker, and BFS crew. The cargo version would have been used to reach Earth orbit as well as carry cargo to

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5146-441: The ship with six Raptor engines (two sea-level, four vacuum) down from nine in the previous ITS design. By September 2017, Raptors had been test-fired for a combined total of 20 minutes across 42 test cycles. The longest test was 100 seconds, limited by the size of the propellant tanks. The test engine operated at 20  MPa (200 bar; 2,900 psi). The flight engine aimed for 25  MPa (250 bar; 3,600 psi), on

5229-403: The situation to Ars Technica journalist Eric Berger: At the time I had to allocate a lot of capital to Tesla and SolarCity , so I was out of money. We had three failures under our belt. So it's pretty hard to go raise money. The recession is starting to hit. The Tesla financing round that we tried to raise that summer had failed. I got divorced. I didn't even have a house. My ex-wife had

5312-537: The space mission architecture, launch vehicle, spacecraft, and Raptor engines. The first test firing of a Raptor engine on a test stand took place in September 2016. On September 26, 2016, a day before the 67th International Astronautical Congress , a Raptor engine fired for the first time. At the event, Musk announced SpaceX was developing a new rocket using Raptor engines called the Interplanetary Transport System. It would have two stages,

5395-496: The technological feats required to make such a system possible and the funds needed, garnered substantial skepticism. Both stages would use autogenous pressurization of the propellant tanks, eliminating the Falcon 9's problematic high-pressure helium pressurization system. In October 2016, Musk indicated that the initial tank test article, made of carbon-fiber pre-preg , and built with no sealing liner, had performed well in cryogenic fluid testing. A pressure test at about 2/3 of

5478-420: The transition from early design concepts of the Starship. Musk cited numerous reasons for the design change; low cost and ease of manufacture, increased strength of stainless steel at cryogenic temperatures , as well as its ability to withstand high heat. The high temperature at which 300-series steel transitions to plastic deformation would eliminate the need for a heat shield on Starship's leeward side, while

5561-482: The unspecified acronym "MCT", revealed to stand for "Mars Colonial Transporter" in 2013, which would serve the company's Mars system architecture . SpaceX COO Gwynne Shotwell gave a potential payload range between 150–200 tons to low Earth orbit for the planned rocket. For mars missions, the spacecraft would carry up to 100 tonnes (220,000 lb) of passengers and cargo. According to SpaceX engine development head Tom Mueller , SpaceX could use nine Raptor engines on

5644-408: The vehicle decommissioned from service, with SpaceX stating "We could not make Falcon 1 work as a business." Launches which had been booked onto Falcon-1 were moved to other vehicles or rebooked as Falcon-9 rideshare payloads. International Astronautical Congress The International Astronautical Congress ( IAC ) is an annual meeting of the actors in the discipline of space science . It

5727-532: The vehicle started to roll, and telemetry ended. According to Elon Musk , the second-stage engine shut down at T+7:30 because of a roll-control issue. Sloshing of propellant in the LOX tank increased oscillation. This oscillation would normally have been dampened by the Thrust Vector Control system in the second stage, but the bump to the second-stage nozzle during separation caused an overcompensation in

5810-465: The way to 30  MPa (300 bar; 4,400 psi) in later iterations. In November 2017, Shotwell indicated that about half of all development work on BFR was focused on the engine. SpaceX looked for manufacturing sites in California , Texas , Louisiana , and Florida . By September 2017, SpaceX had started building launch vehicle components: "The tooling for the main tanks has been ordered,

5893-421: The world in under 30 minutes, for "less than the cost of a C-5 ". The BFR was designed to be 106 meters (348 ft) tall, 9 meters (30 ft) in diameter, and made of carbon composites . The upper stage, known as Big Falcon Ship (BFS), included a small delta wing at the rear end with split flaps for pitch and roll control . The delta wing and split flaps were said to expand the flight envelope to allow

5976-474: The years of the Space Race , the IAF was one of the few forums where members of both East and West Europe could meet during the annual IAC. The International Astronautical Federation is a non-profit non-governmental organization created in 1951. Under French law, the IAF is defined as a federation of member organizations where a General Assembly is responsible for making decisions. The IAF General Assembly

6059-439: Was "extremely unrealistic", as the craft would switch between weightlessness to 5 g of acceleration. He also commented that “Musk calls all of this ‘aspirational,’ which is a nice code word for more than likely not achievable.” Falcon 1 Falcon 1 was a two-stage small-lift launch vehicle that was operated from 2006 to 2009 by SpaceX , an American aerospace manufacturer . On 28 September 2008, Falcon 1 became

6142-413: Was abandoned at the test-fire stage due to persistent schedule conflicts with adjacent launch pads. Cape Canaveral Air Force Station Space Launch Complex 40 (the Falcon 9 pad) was considered for Falcon 1 launches but never developed before Falcon 1 was retired. Falcon 1 made five launches. The first three failed, however the subsequent two flights were successful, the first successful launch making it

6225-419: Was declared to be enough. The full video of the third launch attempt was made public by SpaceX a few weeks after the launch. Musk blamed himself for the failure of this launch, as well as the two prior attempts, explaining at the 2017 International Astronautical Congress that his role as chief engineer in the early Falcon 1 launches was not by choice and almost bankrupted the company before succeeding: And

6308-443: Was delayed 45 minutes from 23:00 GMT because of a data-relay issue, and then scrubbed 1 minute 2 seconds before launch at 23:45 because of a computer issue, whereby the safety computer incorrectly detected a transmission failure caused by a hardware delay of a few milliseconds in the process. 20 March attempt was delayed 65 minutes from an originally planned time of 23:00 because of a problem with communications between one of

6391-495: Was developed with private funding. The only other orbital launch vehicles to be privately funded and developed were the Conestoga in 1982; and Pegasus , first launched in 1990, which uses a large aircraft as its launch platform. The total development cost of Falcon 1 was approximately US$ 90 million to US$ 100 million. While the development of Falcon 1 was privately funded, the first two Falcon 1 launches were purchased by

6474-628: Was launched on an Orbital Sciences Minotaur I on 16 December 2006, the Department of Defense re-evaluated the need for launching TacSat-1. In August 2007, the Department of Defense canceled the planned launch of TacSat-1 because all of the TacSat objectives had been met. An August 2005 update on SpaceX's website showed 6 launches planned for Falcon 1, with customers including MDA Corp ( CASSIOPE , which eventually launched in 2013 on Falcon 9), Swedish Space Corp and US Air Force. According to SpaceX,

6557-580: Was made from friction-stir-welded 2219 aluminum alloy . It employs a common bulkhead between the LOX and RP-1 tanks, as well as flight pressure stabilization. It can be transported safely without pressurization (like the heavier Delta II isogrid design) but gains additional strength when pressurized for flight (like the Atlas II , which could not be transported unpressurized). The parachute system, built by Irvin Para­;chute Corp­oration, uses

6640-407: Was planned to be used for long-duration spaceflight, instead of solely being used for reaching orbit. The two proposed variants aimed to be reusable. Its maximum width would be 17 m (56 ft), with three sea level Raptor engines, and six optimized for vacuum firing. Total engine thrust in a vacuum was to be about 31 MN (7,000,000 lbf). In September 2017, at the 68th annual meeting of

6723-435: Was powered by a single pump-fed Merlin 1C engine burning RP-1 and liquid oxygen providing 410 kilonewtons (92,000 lbf) of sea-level thrust and a specific impulse of 245 s (vacuum I sp 290 s). The first stage burns to depletion, taking around 169 seconds to do so. The second stage Falcon 1 tanks were built with a cryogenic -compatible 2014 aluminum alloy , with the plan to move to aluminum-lithium alloy on

6806-512: Was the United States Air Force Academy 's FalconSAT–2 , which would have measured space plasma phenomena. The launch took place on Saturday, 24 March 2006 at 22:30 UTC, from the SpaceX launch site on Omelek Island in the Marshall Islands . It ended in failure less than a minute into the flight because of a fuel line leak and subsequent fire. The vehicle had a noticeable rolling motion after liftoff, as shown on

6889-418: Was to be launched on 21 April 2009, which would be 20 April 2009 in the United States. Less than a week before the scheduled launch date, Malaysian news reported that unsafe vibration levels had been detected in the rocket and repairs were expected to take about six weeks. On 20 April 2009, SpaceX announced in a press release that the launch had been postponed because of a potential compatibility issue between

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