Raptor (rocket engine family) - Wikipedia. This article is about the several spacecraft engines for the Mars launch vehicle. For the upper stage prototype engine for Falcon 9 and Falcon Heavy, see Raptor prototype upper- stage engine. Raptor. First test firing of a Raptor development engine on September 2. Mc. Gregor, Texas.
Country of origin. United States. Manufacturer. Space. XApplication. Multistage propulsion. Status. In development. The Sims Freeplay Hacked Ios Game.
Liquid- fuel engine. Propellant. LOX / Liquid methane. Mixture ratio. 3. Cycle. Full- flowstaged combustion. Pumps. 2 . The engines are specifically intended to power both high- performance lower and upper stages of the ITS launch vehicle, a part of a more extensive Interplanetary Transport System (ITS) championed by Elon Musk, that may provide technological and economic improvements in interplanetary spaceflight, particularly with respect to a long- term aim of colonizing Mars. The engine will be powered by densifiedliquid methane and liquid oxygen (LOX), rather than the RP- 1 kerosene and LOX used in all previous Falcon 9 rockets which use Merlin 1.
C & D engines. The earliest concepts for Raptor considered liquid hydrogen (LH2) as fuel rather than methane. Both the ITS tanker—a transport carrier of propellant cargo to Earth orbit—and also the Interplanetary Spaceship—a very long- duration carrier of both passengers and space cargo to interplanetary destinations, and which will also serve as both a descent and ascent vehicle at Mars—will be powered by six vacuum- optimized Raptor rocket engines with three additional sea- level- nozzle Raptor engines to be used for maneuvering. The ITS booster stage will be powered by 4. Raptors. Unlike nearly all other launch vehicles or spacecraft, on all Earth- away launches, the long- duration spacecraft (tanker or spaceship) will also provide second- stage acceleration to orbital velocity; all propulsion is provided by Raptor engines.
The engine development from 2. Space. X, and not as a result of any funding from the US government.
At the time, each booster core was thought to utilize nine Raptor engines, similar to the use of nine Merlin 1s on each Falcon 9 booster core. Stennis Space Center in Hancock County, Mississippi. Component testing at Stennis also allowed hardware characterization and verification of proprietary analytical software models that Space.
X developed to push the technology on this engine cycle that had little prior development work in the West. This brought into question much of the speculation surrounding a 9- engine booster, as he stated . April–August 2. 01. Work under the contract is expected to be completed in 2. NASA's John C. Stennis Space Center in Mississippi. It is the first full- flow staged- combustion methalox engine to ever reach a test stand. On the same day Musk revealed that their target performance for Raptor was a vacuum specific impulse of 3.
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MN (6. 70,0. 00 lbf) with a chamber pressure of 3. MPa (4,4. 00 psi) and an expansion ratio of 1. When asked if the nozzle diameter for such version was 1. He also disclosed that it used multi- stage turbopumps. On the 2. 7th he clarified that 1. Substantial additional technical details of the ITS propulsion were summarized in a technical article on the Raptor engine published the next week.
N (6. 90,0. 00 lbf) of thrust at sea- level, and 3,2. N (7. 38,0. 00 lbf) in vacuum. N (7. 90,0. 00 lbf) thrust at vacuum, the only conditions under which the six ER2.
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This engine began testing on a ground test stand beginning in September 2. In reporting during the two weeks following the Musk reveal on 2. September, NASASpace. Flight. com indicated that the development engine is only one- third the size of any of the three larger engines above, approximately 1,0.
N (2. 20,0. 00 lbf) thrust. Both streams—oxidizer and fuel—will be completely in the gas phase before they enter the combustion chamber. Prior to 2. 01. 4, only two full- flow staged combustion rocket engines have ever progressed sufficiently to be tested on test stands: the Soviet RD- 2. Aerojet Rocketdyne Integrated Powerhead Demonstrator in the mid- 2. The engine targets a vacuum Isp of 3. The development Raptor engine discussed in the October 2.
Stennis testing was designed to generate more than 2,9. N (6. 61,0. 00 lbf) vacuum thrust.
Tests continued at least into September 2. The development engine has . The first stage is always an Interplanetary booster while the second stage may be either an Interplanetary Spaceship (for beyond- Earth- orbit missions) or an ITS tanker (for on- orbit propellant transfer operations nearer to Earth). The Space. X Interplanetary booster will use 4. Raptors in the first stage of the ITS launch vehicle.
The Space. X Interplanetary Spaceship—which makes up the second stage of the ICT launch vehicle on Earth launches is also an interplanetary spacecraft carrying cargo and passengers to beyond- Earth- orbit destinations after on- orbit refueling—will use six vacuum- optimized Raptors for primary propulsion plus three Raptors with sea- level nozzles for maneuvering. NASASpace. Flight. Retrieved 2. 01. 6- 1. Space. X Propulsion(PDF).
AIAA/ASME/SAE/ASEE Joint Propulsion Conference. Retrieved 2. 01. 5- 1.
Retrieved 2. 01. 3- 1. Congressional testimony. US House of Representatives, Committee on Armed Service Subcommittee on Strategic Forces. Retrieved 2. 01. 6- 0.
Space. X has already begun self- funded development and testing on our next- generation Raptor engine. Raptor development ..
Lagniappe, John C. Stennis Space Center. September 2. 01. 5. Retrieved 2. 01. 6- 0. Department of Defense Contracts press release. January 2. 01. 6. Retrieved 2. 01. 6- 0.
Ars Technica. Retrieved 1. August 2. 01. 6. 2. September 2. 01. 6. Retrieved 2. 6 September 2. Hobby. Space. com.
Archived from the original on 2. Retrieved 2. 00. 9- 0. RLV and Space Transport News. Archived from the original on 2. Retrieved 2. 01. 1- 0. RLV and Space Transport News. Archived from the original on 2.
Retrieved 2. 01. 1- 0. Flightglobal. Retrieved 2. Space. X is in the midst of a variety of ambitious engine programmes, including the Merlin 2, a significant modification of the Merlin 1 series, and the Raptor upper stage engine. Details of both projects are tightly held. Flightglobal. Retrieved 2. Flight. Global Hyperbola.
Retrieved 2. 01. 5- 1. NASAspaceflight. com. Retrieved 2. 01. 4- 0. Retrieved 4 June 2. NASA SBIR/STTR. Retrieved 2 June 2.
LOX/Methane. Lunar and Planetary Institute. Retrieved 2 June 2. Flightglobal. Retrieved 2. Musk said Lox and methane would be Space. X’s propellants of choice on a mission to Mars, which has long been his stated goal. Space. X’s initial work will be to build a Lox/methane rocket for a future upper stage, codenamed Raptor. The design of this engine would be a departure from the “open cycle” gas generator system that the current Merlin 1 engine series uses.
Instead, the new rocket engine would use a much more efficient “staged combustion” cycle that many Russian rocket engines use. Flight. Global Hyperbola. Retrieved 2. 01. 2- 1. The new Raptor upper stage engine is likely to be only the first engine in a series of lox/methane engines. Broadcast 2. 21. 2: Special Edition, interview with Gwynne Shotwell (audio file).
The Space Show. Event occurs at 2. Archived from the original(mp. Retrieved 2. 01. 4- 0.
Mississippi Development Authority. October 2. 3, 2. 01. Retrieved 2. 7 October 2. Senator Cochran. October 2. Retrieved 2. 7 October 2. Parabolic Arc. Retrieved 2.
Retrieved 2. 01. 4- 0. Pacific Business Times. February 2. 01. 4.
Retrieved 2. 2 February 2. Raptor: New rocket program will likely pit kerosene against methane. Aviation Week & Space Technology. Space. X is developing the Raptor as a reusable engine for a heavy- lift Mars vehicle, the first stage of which will feature 7. Apollo F- 1 engine,' Tom Mueller, Space. X vice president of propulsion development, said during a space propulsion conference last month in Cologne, Germany. The vacuum version is targeting 8.