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Launch of world's first 3D-printed rocket canceled at last second

California startup Relativity Space is carrying out a test flight of the world's first 3D-printed rocket, the Terran 1
California startup Relativity Space is carrying out a test flight of the world's first 3D-printed rocket, the Terran 1.

The launch of the world's first 3D-printed rocket was ultimately scrubbed after several tries on Saturday, marking a new setback for the private owner of an innovative spacecraft billed as being less costly to produce and fly.

Engines had begun igniting on the unmanned Terran 1 rocket, built by California aerospace startup Relativity Space, when an "automation" issue caused the company to abort takeoff for the second time in less than a week.

A little later, the company tried again to launch the spacecraft from Florida's Cape Canaveral but had to abort due to pressure issues in the rocket's second stage, the company later tweeted.

"The team went HARD today and we intend to do so during our next attempt. More to come on the new launch date," Relativity said.

At one point during the three-hour launch window, which began at 1:00 pm (1800 GMT), the countdown was put on hold when a private boat violated a .

An earlier scheduled launch last Wednesday was also postponed over last-minute propellant temperature issues.

Once it does take off, Terran 1 is set to reach low Earth orbit after eight minutes on a voyage intended to gather data and demonstrate that a 3D-printed rocket can withstand the rigors of liftoff and .

If the rocket manages to attain low Earth orbit, it will be the first privately funded vehicle using methane fuel to do so on its first try, according to Relativity.

Terran 1 is not expected to carry a payload for its first flight, but the rocket will eventually be capable of putting up to 2,755 pounds (1,250 kilograms) into low Earth orbit.

The rocket is 110 feet (33.5 meters) tall with a diameter of 7.5 feet (2.2 meters).

Eighty-five percent of its mass is 3D printed with metal alloys, including the engines.

It is the largest ever 3D printed object, according to the Long Beach-based company, and is made, it says, with the world's largest 3D metal printers.

Tim Ellis, co-founder and CEO of Relativity
Tim Ellis, co-founder and CEO of Relativity.

Built in 60 days

Relativity's goal is to produce a rocket that is 95 percent 3D printed.

Terran 1 is powered by Aeon engines using and liquid natural gas—the "propellants of the future," capable of eventually fueling a voyage to Mars, Relativity says.

Vulcan rockets being developed by United Launch Alliance and SpaceX's Starship use the same fuel.

Terran 1 has nine 3D-printed Aeon 1 engines on its first stage and one 3D-printed Aeon Vacuum engine on its second stage.

Relativity is also building a larger rocket, Terran R, capable of putting a payload of 44,000 pounds (20,000 kgs) into low Earth orbit.

The first launch of a Terran R, which is designed to be fully reusable, is scheduled for next year from Cape Canaveral.

A satellite operator can wait for years for a spot on an Arianespace or SpaceX , and Relativity Space hopes to accelerate the timeline with its 3D-printed rockets.

"Long-term, a major benefit of 3D printing is the ability to more rapidly democratize space due to the incredible cost effectiveness, radical flexibility and customization," the company said.

Relativity said its 3D-printed rockets use 100 times fewer parts than traditional rockets, and can be built from in just 60 days.

Relativity has already signed commercial launch contracts worth $1.65 billion, mostly for the Terran R, according to CEO Tim Ellis, who co-founded the in 2015.

"Medium-heavy lift is clearly where the biggest market opportunity is for the remaining decade, with a massive launch shortage in this payload class," Ellis tweeted.

© 2023 AFP

Citation: Launch of world's first 3D-printed rocket canceled at last second (2023, March 12) retrieved 22 February 2024 from https://phys.org/news/2023-03-world-3d-printed-rocket-canceled.html
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