NASA completes dual SLS boosters stacked for the Artemis 1 mission


NASA has completed the stacking of dual solid rocket boosters, which will provide most of the thrust for the space launch system in the first two minutes of flight. Image source: NASA

NASA has completed the stacking of dual five-stage solid rocket boosters for ” The most influential Rockets”, a large-scale space launch system.

When the first SLS is lifted off the pad, the 177-foot (54-meter-high) booster will be used to provide most of the thrust during the first two minutes of flight. The mission, called Artemis 1, will take a one-month flight on the moon no later than November 2021 to launch an unmanned Orion spacecraft.

The Block 1 SLS rocket rendered by an artist has dual solid rocket boosters on its launch pad. Image source: NASA

The Block 1 SLS rocket rendered by an artist has dual solid rocket boosters on its launch pad. Image source: NASA

“It was the first time I saw the solid rocket boosters of the space launch system completely stacked on the mobile launcher. This made me very proud of the whole team, especially the Kennedy exploration ground system staff who are assembling them, and Marshall and Noble The team designed by Srop Grumman, tested and built them,” said Bruce Tiller, SLS booster manager at NASA’s Marshall Space Flight Center in an agency Press Releases. “This team has created the tallest and most powerful boosters ever in flight. These boosters will help launch the Artemis 1 mission to the moon.”

engineer Start placing On November 21, 2020, various parts of the mobile launcher of the SLS rocket flew in the large vehicle assembly building of NASA’s Kennedy Space Center in Florida.But that Most of the work It was picked up in January 2021 and completed on March 2nd, and the nose cone was installed.

Now, technicians are waiting for the 212-foot-tall (65-meter-tall) giant orange core stage to arrive from NASA’s Stennis Space Center in Mississippi, and are currently waiting for the second attempt for a full-time launch. This is the last step of the “green run” test at this stage.

Heat test is Scheduled for March 18. If completed successfully, the core phase will be transported to the Kennedy Space Center for integration between the dual solid rocket boosters.

The SLS rocket is the backbone of NASA's Artemis program and is being assembled in the huge vehicle assembly building. Image Credit: Theresa Cross / Spaceflight Insider

The SLS rocket is the backbone of NASA’s Artemis program and is being assembled in the huge vehicle assembly building. Image Credit: Theresa Cross / Spaceflight Insider

Before the arrival of the core stage, the technicians engaged in booster work still need to complete the installation of pyrotechnics and electrical meters.

A giant rocket with two solid rocket boosters can generate up to 8.8 million pounds (nearly 40,000 kilonewtons) of thrust, which is approximately 15% increase in power At launch, it is higher than the Saturn 5 rocket of the Apollo era.

The solid rocket booster is stacked on a mobile launcher, which includes a 370-foot-tall (113-meter-high) steel service tower. Once the core stage is installed, the launch vehicle stage adapter, cryogenic upper stage, Orion spacecraft and abort tower will be added.

In total, the entire Block 1 SLS rocket will be approximately 322 feet (98 meters) tall.

After the stacking is completed, the upgraded Apollo/Schuter-era crawler transporter will slowly move the entire rocket and mobile launcher to the nearby launch site 39B, which is located about 4 miles (6.5 kilometers) on average. The speed is less than 1 mile per hour (1.6 kilometers per hour).

To be precise, when to launch is still up in the air. The current estimate is sometime between November 2021 and early 2022.

Artemis 1 is the first of many exploratory missions and increasingly complex missions, enabling humans to explore the moon and then to Mars.

According to the current plan, Artemis 2’s flight plan is no earlier than 2023 and is expected to involve the dispatch of 4 people, including a Canadian astronaut, to return freely around the moon. Since December 1972, this will be the first time humans have crossed low Earth orbit.

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Theresa Cross grew up on the space coast. It is natural for her to be passionate about any “space” and its exploration. During these growing years, she also discovered that she has the talent and passion to define the unique quirks and complexities that exist in humans, nature, and machines. Theresa comes from a family of photographers (including her father and son) and began to document her world through photos when she was very young. As an adult, she now exhibits a natural photographic ability that can combine her inner attraction with her love for technology, thus providing a variety of methods for her work and artistic expression. Theresa has a background in water chemistry, fluid dynamics and industrial applications.


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