Development Background
Space Exploration Technologies Corporation (SpaceX) by American billionaire Elon Musk, Elon Musk founded in 2002, will receive entrepreneurship into space exploration, but not so long ago, to track rockets and almost completely controlled by government agencies, Space Exploration Technologies Corporation (SpaceX) by American billionaire Elon Musk, Elon Musk founded in 2002, will receive entrepreneurship into space exploration, but not so long ago, to track rockets and almost completely controlled by government agencies, . Elon Musk is an online payment system PayPal founder, he wanted to eliminate the cumbersome bureaucratic procedures, enhance work efficiency, innovation, and through the interior of the production and testing, the cost of rocket launches is down to only one - tenth of the traditional method of Elon Musk is an online payment system PayPal founder, he wanted to eliminate the cumbersome bureaucratic procedures, enhance work efficiency, innovation, and through the interior of the production and testing, the cost of rocket launches is down to only one - tenth of the traditional method of .
traditional launch vehicle is a single use,In the emission after falling back to earth, burn out in the atmosphere, leaving only some of the metal fragments traditional launch vehicle is a single use,In the emission after falling back to earth, burn out in the atmosphere, leaving only some of the metal fragments . while the vehicle is in a vertical takeoff and landing (alighting from the rear, with a little repair, refueling may be again emitted, greatly reducing launching costs while the vehicle is in a vertical takeoff and landing (alighting from the rear, with a little repair, refueling may be again emitted, greatly reducing launching costs .
Development Process
2014 - 10 - 19, with the Californian SpaceX company has announced its" Grasshopper "rocket earlier this month to the test set a new record: the rocket launcher by ignition after flying to 744 m of air, then landed vertically back to the launch pad 2014 - 10 - 19, with the Californian SpaceX company has announced its" Grasshopper "rocket earlier this month to the test set a new record: the rocket launcher by ignition after flying to 744 m of air, then landed vertically back to the launch pad . company posted on its website on Nov. 7, the tests carried out by the video, the whole test process lasts 78. 8 seconds, the rocket back to Earth after the appearances of
with traditional launch vehicle compared to the" grasshopper "appearance on the big difference is that the aluminum - steel structure with four" legs", which bears a hydraulic shock absorber of the with traditional launch vehicle compared to the" grasshopper "appearance on the big difference is that the aluminum - steel structure with four" legs", which bears a hydraulic shock absorber of the . four "legs"rocket can resist vertical down to the floor of the huge impact without serious damage to the four "legs"rocket can resist vertical down to the floor of the huge impact without serious damage to the .
Space Exploration Technologies, the company said, "Grasshopper" test of the firm developing vertical takeoff and landing, fully reusable launch vehicle of the "baby steps" Space Exploration Technologies, the company said, "Grasshopper" test of the firm developing vertical takeoff and landing, fully reusable launch vehicle of the "baby steps" . company which is developing the Falcon 9 rocket to a reusable version, and in 2014, for the September launch, the successful recovery of the" Falcon 9 "of the portion of the one - stage rocket company which is developing the Falcon 9 rocket to a reusable version, and in 2014, for the September launch, the successful recovery of the" Falcon 9 "of the portion of the one - stage rocket .
6 Jan 2015 19: 20by the SpaceX - developed Falcon 9, Falcon 9 launch vehicle originally planned for the America's Cape Canaveral Air Force Station, but the countdown is entering a period of 1 minute is emergency mission abort, SpaceX rocket called the "secondary thrust vector control actuator drifts" so that this launch is due to stop 6 Jan 2015 19: 20by the SpaceX - developed Falcon 9, Falcon 9 launch vehicle originally planned for the America's Cape Canaveral Air Force Station, but the countdown is entering a period of 1 minute is emergency mission abort, SpaceX rocket called the "secondary thrust vector control actuator drifts" so that this launch is due to stop . 1 6 of the transmitting window is only 1 seconds, and therefore this launch has been cancelled, the next launch window in this Friday, Jan. 9, a desired emission time is 5: 00 AM ET: 09
Design Idea
Recovery And Utilization
Falcon 9 first stage is higher than that in a case where the "Falcon 1", it looks almost identical, but slightly shorter than the first Falcon 9 first stage is higher than that in a case where the "Falcon 1", it looks almost identical, but slightly shorter than the first . their tips and the outer layer are all super - intensity aluminum - lithium alloy material manufactured by their tips and the outer layer are all super - intensity aluminum - lithium alloy material manufactured by .
and the back cover; cover with a special shield for protection of the Falcon 9 first stage and second stage entry into the Earths atmosphere is prevented from being damaged, and thus, can be recovered and reused and the back cover; cover with a special shield for protection of the Falcon 9 first stage and second stage entry into the Earths atmosphere is prevented from being damaged, and thus, can be recovered and reused .
Vertical Landing
In Musk's vision, whether NASA or private rocket fuel should not be allowed to become a disposable article, and he therefore requested that SpaceX's engineers to build rocket landing on floating offshore port (Autonomous drone ship, the ASDS), and the fuel in the rocket launch "how the vertical landing and automatic landing port" of the technology of In Musk's vision, whether NASA or private rocket fuel should not be allowed to become a disposable article, and he therefore requested that SpaceX's engineers to build rocket landing on floating offshore port (Autonomous drone ship, the ASDS), and the fuel in the rocket launch "how the vertical landing and automatic landing port" of the technology of . technology difficult is that, firstly, the Falcon 9, Falcon 9 rocket up 14 floors when climbing at a speed of 1 second and 1. 6 kilometers,to a rise in rocket "unscathed" to descend vertically, like a tornado in the rubber broom handle upright on my palm "
Second, SpaceX had completed the task before the rocket fuel of the successful landing of a 10 - kilometer - wide of the target area, but the ASDS only 10 metres wide, and it is difficult to be both the most different Second, SpaceX had completed the task before the rocket fuel of the successful landing of a 10 - kilometer - wide of the target area, but the ASDS only 10 metres wide, and it is difficult to be both the most different ., bits in the sea of the ASDS is not fixed, to land the rocket fuel must be maintained by the engine at the time of a decrease in balance stability , bits in the sea of the ASDS is not fixed, to land the rocket fuel must be maintained by the engine at the time of a decrease in balance stability .
Work Principle
These rocket engine thrusters used, their position is exactly the rocket during the launch of the flame injection of local These rocket engine thrusters used, their position is exactly the rocket during the launch of the flame injection of local . special profile is going to have a great deal of thrust and rocket into the sky special profile is going to have a great deal of thrust and rocket into the sky .
Significance Test
U.S. private company on June 4, 2010 successfully test - fired a "Falcon 9 launch, and" Dragon "series of spacecraft and is sent to the corresponding one of the models that the flight is on track commercial spacecraft and Falcon 9 rocket and a successful test - firing of recoverable, the field of space exploration will have epoch - making significance, which through reentry of the rocket technology, it will be shrunk dramatically as part of the space travel of commercial spacecraft and Falcon 9 rocket and a successful test - firing of recoverable, the field of space exploration will have epoch - making significance, which through reentry of the rocket technology, it will be shrunk dramatically as part of the space travel of .
spending if it is ever an overall recovery of the rocket, launch costs would reduce the expected spending if it is ever an overall recovery of the rocket, launch costs would reduce the expected . 99% 99%.
Emission Process
Eastern time on January 10, 2015 4: 47: 4 (Nov. 17 at 10: 47), the American company Space Exploration Technologies' Falcon 9 rocket from Cape Canaveral Air Force Station in Florida US Space Exploration Technologies Corporation on January 10, 2015, the company said on the day of the launch of the Falcon 9 rocket sea recovery attempts failed, the rocket on a floating landing and ravaged US Space Exploration Technologies Corporation on January 10, 2015, the company said on the day of the launch of the Falcon 9 rocket sea recovery attempts failed, the rocket on a floating landing and ravaged .
company Space Exploration Technologies (SpaceX) to develop the Falcon - 9 No. "Falcon 9 rocket was successfully launched from Cape Canaveral, Florida Space Launch Complexes 40 launch pad for liftoff of the for the group and developed the "Long" spacecraft's maiden voyage for the group and developed the "Long" spacecraft's maiden voyage .
according to the company and NASA signed the contract, this spacecraft for NASA after the shuttle be retired for delivering supplies to the according to the company and NASA signed the contract, this spacecraft for NASA after the shuttle be retired for delivering supplies to the . the test flights, the "Long"spacecraft to orbit the earth in two weeks after splashdown in the Pacific Ocean off the coast of predetermined safety the test flights, the "Long"spacecraft to orbit the earth in two weeks after splashdown in the Pacific Ocean off the coast of predetermined safety .
American SpaceX founder Elon Musk to April 14, 2015 excitement on Twitter that a rocket in the picture American SpaceX founder Elon Musk to April 14, 2015 excitement on Twitter that a rocket in the picture . that led the company since January 2015, marking another offshore platform - landing rockets failed that led the company since January 2015, marking another offshore platform - landing rockets failed .
recovery but said that, in June of this year will again experiment conducted many experts think recovery but said that, in June of this year will again experiment conducted many experts think ., , .
It is currently difficult to predict. "The company is using the recycle method is in other countries and never used the neither like the shuttle as a horizontal recovery,also with the shuttle's booster recovery parachute at different, but a vertical recovery neither like the shuttle as a horizontal recovery,also with the shuttle's booster recovery parachute at different, but a vertical recovery .
"experts," international space "magazine executive editor, Pang said, "experts," international space "magazine executive editor, Pang said, . he said it was technically difficult, to be precise in the rocket landed on he said it was technically difficult, to be precise in the rocket landed on .
this point has been realized currently. The accuracy of the return of the rocket has reached around 10m while controlling rockets in a vertical posture, it is necessary for the lateral thruster, Pang was revealed to the" acrobatic balance " while controlling rockets in a vertical posture, it is necessary for the lateral thruster, Pang was revealed to the" acrobatic balance ".
" rocket of the slenderness ratio is increased, the more difficult to control its attitude " rocket of the slenderness ratio is increased, the more difficult to control its attitude ., "he said," this defeat is also one of the lateral thruster with thrust over , "he said," this defeat is also one of the lateral thruster with thrust over .
"On the other hand, should allow the rocket to a soft landing, it buffers the engine thrust are also required to achieve accurate control of the "On the other hand, should allow the rocket to a soft landing, it buffers the engine thrust are also required to achieve accurate control of the . Pang believes that to achieve the above three technologies fully mastered and it is really mature, probably at least a few years Pang believes that to achieve the above three technologies fully mastered and it is really mature, probably at least a few years .
One on condition of anonymity to reporters of rocket expert, said the recovery failure indicates that, in the company Space Exploration Technologies rocket attitude control, and the structural design of the rocket body structure of the matching that there are still problems One on condition of anonymity to reporters of rocket expert, said the recovery failure indicates that, in the company Space Exploration Technologies rocket attitude control, and the structural design of the rocket body structure of the matching that there are still problems .
Failed In Recycling
State Description
U.S. company SpaceX founder Elon Musk to April 14, 2015 excitedly tweeted a picture of the day Wednesday's launch, the company's Falcon 9 rocket successfully sent to the Dragon spacecraft to the International Space Station the next day Wednesday's launch, the company's Falcon 9 rocket successfully sent to the Dragon spacecraft to the International Space Station the next day .
but rocket recovery test of soft - landing in yet another "disjointed" but rocket recovery test of soft - landing in yet another "disjointed" .
Accident Analysis
In a reusable rocket technology in the field, including Russia, China is one of several Asian countries in the exploration, but the exploration of the ways by which different In a reusable rocket technology in the field, including Russia, China is one of several Asian countries in the exploration, but the exploration of the ways by which different . proposed rocket recovery methods including the parachute landing, and recovery of the airbag, wherein a vertical is recovering, but its level of difficulty in proposed rocket recovery methods including the parachute landing, and recovery of the airbag, wherein a vertical is recovering, but its level of difficulty in .
Pang Zhihao, a vertical recovery programmes from the 1990s NASA developed fast triangular sail, Space Exploration Technologies Corporation of trade, has been finally determined that the current recovery programme Pang Zhihao, a vertical recovery programmes from the 1990s NASA developed fast triangular sail, Space Exploration Technologies Corporation of trade, has been finally determined that the current recovery programme . Space Exploration Technologies Corporation's quest is not bullish on the industry, Ariane,Loma etc. c.maintains giants even as the Arabian Nights
But Pang believes that, regardless of the success, which was a meaningful But Pang believes that, regardless of the success, which was a meaningful . "Now the test is in no way affect the rocket launch, but completed its tasks, under the premise of the one - stage rocket recovery attempt, "Now the test is in no way affect the rocket launch, but completed its tasks, under the premise of the one - stage rocket recovery attempt, .
of the game," he said, as long as it can obtain success through continuous tests improved, the success rate will rise higher and higher in the aforementioned of the game," he said, as long as it can obtain success through continuous tests improved, the success rate will rise higher and higher in the aforementioned . rocket scientists also said that if the technology could have their breakthrough and the success of the experiment, the arrows in the posture control, structural design, recycling design and technology, and coordination on the foot in the door,and can obtain a series of remote control data parameters, for subsequent test further lays a foundation for the rocket scientists also said that if the technology could have their breakthrough and the success of the experiment, the arrows in the posture control, structural design, recycling design and technology, and coordination on the foot in the door,and can obtain a series of remote control data parameters, for subsequent test further lays a foundation for the .
Pang believes that this technology, which if successful would be a first for astronautics for the huge breakthrough Pang believes that this technology, which if successful would be a first for astronautics for the huge breakthrough . can not only reduce the rocket falling on the area of environmental pollution and security threats, as well as potentially to greatly reduce the cost of rocket launches can not only reduce the rocket falling on the area of environmental pollution and security threats, as well as potentially to greatly reduce the cost of rocket launches .
American company Space Exploration Technologies (SpaceX) 2015 People's Republic of China on June 28 to launch a Falcon 9 rocket to the international space station cargo resupply missions, the rocket went up two and a half minutes after the sudden breakup, carrying about 2,500 kilograms of cargo resupply dynamited American company Space Exploration Technologies (SpaceX) 2015 People's Republic of China on June 28 to launch a Falcon 9 rocket to the international space station cargo resupply missions, the rocket went up two and a half minutes after the sudden breakup, carrying about 2,500 kilograms of cargo resupply dynamited . for eight months,resupply mission to the third failure for eight months,resupply mission to the third failure .
originally planned landing rocket recovery test does not grope and originally planned landing rocket recovery test does not grope and .
Recovery Fails Again
On January 17, 2016, the US company SpaceX successfully launched an ocean observation satellite of the "Falcon 9 rocket, but the trip is more concerned with the task of the first stage of the rocket by sea recovery attempts again ended in failure in the On January 17, 2016, the US company SpaceX successfully launched an ocean observation satellite of the "Falcon 9 rocket, but the trip is more concerned with the task of the first stage of the rocket by sea recovery attempts again ended in failure in the .
Recover Successfully
Beijing time on January 9, 2016, 4: 52 am, Falcon 9, carrying the Dragon spacecraft successfully launched, a one - stage rocket boosters separated again after the attempt on sea recovery task Beijing time on January 9, 2016, 4: 52 am, Falcon 9, carrying the Dragon spacecraft successfully launched, a one - stage rocket boosters separated again after the attempt on sea recovery task . and in time, after several failed attempts, a one - stage rocket landing firmly in the tune of "I Still Love You" of offshore platform, completing an historic breakthrough and in time, after several failed attempts, a one - stage rocket landing firmly in the tune of "I Still Love You" of offshore platform, completing an historic breakthrough .
"Falcon 9" advanced recovery point "Falcon 9" stage of the recovery technology to support the landing, the attitude control technology, and the crossover supply propellant efficient engine as the highlights "Falcon 9" advanced recovery point "Falcon 9" stage of the recovery technology to support the landing, the attitude control technology, and the crossover supply propellant efficient engine as the highlights . "Falcon 9 rocket by the main engine 3 times ignition of the braking deceleration, to control the rocket's velocity of fall,1300 meters per second by the deceleration is in the range from 2 meters "Falcon 9 rocket by the main engine 3 times ignition of the braking deceleration, to control the rocket's velocity of fall,1300 meters per second by the deceleration is in the range from 2 meters .
future spaceflight influences on "Falcon 9" sea recovery is successful, SpaceX's founder and chief executive, Elon Musk, cheered: "This is another step in China's leading stars future spaceflight influences on "Falcon 9" sea recovery is successful, SpaceX's founder and chief executive, Elon Musk, cheered: "This is another step in China's leading stars ." America's commercial spaceflight Association said in a statement, rapidly reusable rocket is more economically viable for the future of space flight, today's success in this area is" a big step in the process of "United States space " America's commercial spaceflight Association said in a statement, rapidly reusable rocket is more economically viable for the future of space flight, today's success in this area is" a big step in the process of "United States space .
EFF said the landing would not only have an impact on the aerospace industry, will also have the potential to affect the future of human innovation EFF said the landing would not only have an impact on the aerospace industry, will also have the potential to affect the future of human innovation .
Rocket Explosion
local time September 1, 2016, in the morning, the SpaceX Falcon 9 rocket at Cape Canaveral Air Force Station in Florida (at Cape Canaveral Air Force Station launch site explosion of the rocket carrying the local time September 1, 2016, in the morning, the SpaceX Falcon 9 rocket at Cape Canaveral Air Force Station in Florida (at Cape Canaveral Air Force Station launch site explosion of the rocket carrying the . Facebook Amos - 6 satellite had been completely destroyed Facebook Amos - 6 satellite had been completely destroyed .
originally, it will be GMT September 3 o 'clock in the afternoon on 33 points, which are mounted on the Falcon 9 rocket, as part of the sub - Saharan Africa - and although Internet service originally, it will be GMT September 3 o 'clock in the afternoon on 33 points, which are mounted on the Falcon 9 rocket, as part of the sub - Saharan Africa - and although Internet service . rocket explosion caused by strong tremors,continues for several minutes, but SpaceX said the explosion caused no injuries rocket explosion caused by strong tremors,continues for several minutes, but SpaceX said the explosion caused no injuries .
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Resupply Mission
2016 Apr. 10, the U.S. eastern time on Sunday, 7: 23 (Beijing time Sunday 19: 23), the astronauts aboard the International Space Station received a "Falcon 9" sent makeup since June 2015 after the failure of previous resupply missions, SpaceX's first successful mission to the International Space Station mission makeup since June 2015 after the failure of previous resupply missions, SpaceX's first successful mission to the International Space Station mission .
Falcon 9 rocket was equipped with the "Long" spacecraft, and weighs about 7,000 pounds (3,175 kilograms) of supplies Falcon 9 rocket was equipped with the "Long" spacecraft, and weighs about 7,000 pounds (3,175 kilograms) of supplies . wherein, about 3,000 pounds (1,361 kg) is the "Bigelow extended activity module" (BEAM),This will provide 565 cubic feet (approx. 160,000 cubic meters) of space activities in
reached the International Space Station after the brain electrical activity mapping (BEAM) will be connected to the node of the International Space Station, and within the next four months to install reached the International Space Station after the brain electrical activity mapping (BEAM) will be connected to the node of the International Space Station, and within the next four months to install . BEAM is planned on the International Space Station for about two years, helping engineers to collect this module in space using data of BEAM is planned on the International Space Station for about two years, helping engineers to collect this module in space using data of .
Emission Delay
SpaceX originally scheduled on 24 again launch of its Falcon 9 rocket, and transported to the SES - 9 satellite orbit SpaceX originally scheduled on 24 again launch of its Falcon 9 rocket, and transported to the SES - 9 satellite orbit . The company previously said the launch will once again attempt to recover the rocket, but expected not reaching success recovering The company previously said the launch will once again attempt to recover the rocket, but expected not reaching success recovering .
on Feb. 24, the company announced temporary once again postponed the launch, saying the launch was postponed, but the rocket and spacecraft are in good condition to U.S. media reported that the companies have not come to any emission postponement stating the reason, but now that the firing of the soon - to - Florida bringing strong winds and a tornado storm
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Restart Transmission
On January 2, 2017, the U.S. space exploration and technology companies say, 2016 Sep "Falcon 9 rocket explosion cause has been identified, planned for January 8 was restarted on rocket launch SpaceX said in a statement, the two - stage rocket LOX tank within a helium tank explosion was" Falcon 9 rocket explosion cause SpaceX said in a statement, the two - stage rocket LOX tank within a helium tank explosion was" Falcon 9 rocket explosion cause .
in the short term, the company will improve the fuel combustion process, oxygen is not placed in a helium tank and a tank housing between in the short term, the company will improve the fuel combustion process, oxygen is not placed in a helium tank and a tank housing between . statement also said, in the fuel tank inner container of the vacuum environment, for the purpose of (the) ease, causing explosion.And future related design would also improve
SpaceX company while confirming, on 8 of the mission plan is to get 10 Iridium communications satellite into orbit as part of the company's SpaceX company while confirming, on 8 of the mission plan is to get 10 Iridium communications satellite into orbit as part of the company's . 3 by 2017 on 14 March, the US company said in a news release said, "Echo - Star - 23" (23) Satellites of the Falcon 9 rocket (FALCON 9) because of bad weather had delayed the launch to 2017 3 by 2017 on 14 March, the US company said in a news release said, "Echo - Star - 23" (23) Satellites of the Falcon 9 rocket (FALCON 9) because of bad weather had delayed the launch to 2017 .
4 7 6 7: 38 a.m, at NASA Kennedy Space Center, Florida LC - 39A launch site,the successful launch of the SpaceX Falcon 9 rocket This is already within two weeks of the third launch of the first two missions occurred respectively on June 23 and June 25 This is already within two weeks of the third launch of the first two missions occurred respectively on June 23 and June 25 .
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