Relativity Space's Fully Reusable Rocket Is 3D-Printed in 60 Days

The 3D printing of the Terran R rocket means fewer parts and a safer rocket.
Chris Young
A render of the Terran R rocketRelativity Space

Relativity Space's fully 3D-printed and fully reusable Terran R rocket can be built in only 60 days, according to a report by New Atlas. The additive manufacturing process used to build the rocket reduces the number of joints, meaning less risk of failure during launch.

California-based Relativity Space unveiled its Terran R rocket in February this year as a successor to its Terran 1 rocket.

The two-stage Terran R rocket, developed for satellite deployment and planetary travel, stands 216 ft (66 m) tall with a 16-ft (4.9-m) diameter.

The rocket has a payload capacity of 20,000 kg (44,000 lb) — which is only slightly lower than SpaceX's Falcon 9 rocket capacity of 22,800 kg (50,265 lb).

Though several other companies, including NASA, SpaceX, and Rocket Lab have turned to additive manufacturing for their rocket construction process, Relativity Space's utilization of the technology may be the most impressive yet — the company describes its Terran R as the first rocket to be fully 3D printed.

The Terran R rocket will be powered by seven of the company's Aeon R engines, each of which generates 302,000 lb of thrust. The upper stage, once detached after launch, will be powered by one of the Aeon R engines.

$650 million investment secured for Terran R program

Unlike Space X's Falcon 9, which has reusable first-stage rocket boosters, the whole of the Terran R rocket will be reusable, including the second stage, and the fairing used to protect payloads.

Relativity Space is yet to clarify how exactly it will retrieve the second stages and fairing, which will be a first for rocket engineering.

The Terran R will be 3D printed using a combination of artificial intelligence and autonomous robots, a process which Relativity Space says will make the rockets safer as they will have fewer parts. The whole 3D printing process will take 60 days or less, the firm explains.

Relativity Space plans to launch the Terran R at Cape Canaveral by 2024, and it has already signed its first customer launch contract. The company's first rocket, the Terran 1, is set to launch for the first time this year.

The private space enterprise also recently revealed it had secured a $650 million Series E equity funding round to help it develop the Terran R program over the coming years. Have a look at Space Relativity's promo video for its new rocket below.

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