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Relativity Space unveils fully reusable, 3D-printed Terran R rocket
The 216-foot-tall rocket is expected to start flying in 2024.
A fully reusable, 3D-printed rocket will be launching satellites to orbit three years from now, if all goes according to plan.
Today (June 8), Relativity Space revealed details of Terran R, a new two-stage rocket that's key to the Southern California startup's bold off-Earth goals, which include helping humanity get a foothold on Mars.
"Terran R is at the cutting edge of rocket innovation and design," Zach Dunn, senior vice president of engineering and manufacturing at Relativity Space, said in a statement. "Fully reusable and entirely 3D printed, Terran R will be well suited to serve customers' evolving needs in the large satellite constellation industry, while also representing a significant leap towards achieving our mission of building humanity's industrial base off of Earth."
Artist's illustration of Relativity Space's Terran R rocket, a fully reusable 3D-printed vehicle that's expected to start flying in 2024. (Image credit: Relativity Space)
Terran R will be a big step up in power and performance from the two-stage Terran 1, an expendable rocket that Relativity Space expects to start flying later this year. Nine different customers have already signed contracts to put payloads on Terran 1, company representatives said.
Terran 1 is 115 feet (35 meters) tall by 7.5 feet (2.3 m) wide and can deliver a maximum of 2,756 lbs. (1,250 kilograms) to low Earth orbit (LEO), according to its specifications page. The vehicle's first stage is powered by nine of Relativity Space's Aeon 1 engines, while the upper stage features one vacuum-optimized Aeon.
The engines, which burn liquid oxygen and methane, are 3D printed, just like the rest of the rocket. This manufacturing strategy allows Relativity Space to build rockets with 100 times fewer parts than those of its competitors and churn out a completed vehicle in less than 60 days, company representatives said.
Artist's illustration of Relativity Space's Terran 1 (left) and Terran R rockets, with a person for scale. (Image credit: Relativity Space)
Terran R is expected to launch for the first time in 2024. Like Terran 1, it will depart from a pad at Cape Canaveral Space Force Station, on Florida's Atlantic Coast.
Terran R will be 216 feet (66 m) tall by 16 feet (4.9 m) wide, with the ability to loft more than 44,100 lbs. (20,000 kg) to LEO, Relativity Space representatives said. The rocket's first stage will be powered by seven Aeon R engines, a brawny, high-pressure cousin of the Aeon 1. Terran R's upper stage will feature one vacuum Aeon, as on Terran 1.
Terran R's payload capacity is close to that of SpaceX's workhorse Falcon 9, a pioneer in rocket reuse. Falcon 9 first stages regularly and repeatedly come back to Earth after sending satellites on their way to orbit; last month, for example, a Falcon 9 booster known as B1051 launched and landed for a record 10th time.
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