Startup Tests Rocket Launched by Super-Powerful Slingshot

Space startup SpinLaunch has a wild idea: instead of launching rockets vertically from the ground, why don’t we spin them inside a massive centrifuge and use that built up energy to slingshot them to high altitudes, where they can kick on relatively small rocket engines to cover the final distance into orbit?

After years of media coverage and countless renders of sleek rockets, the small company is finally ready to show off an early prototype of its suborbital accelerator — what essentially amounts to a massive centrifuge built near Spaceport America in New Mexico — and used it to fling a rocket high into the sky.

“It’s a radically different way to accelerate projectiles and launch vehicles to hypersonic speeds using a ground-based system,” SpinLaunch CEO Jonathan Yaney told CNBC“This is about building a company and a space launch system that is going to enter into the commercial markets with a very high cadence and launch at the lowest cost in the industry.”

Despite only being built at one-third scale, the “suborbital accelerator” prototype stands at 165 feet tall. Inside a vacuum chamber, a massive rotating arm spins the projectile to crazy-fast speeds, thousands of miles per hour or several times the speed of sound.

In a tiny fraction of a second, the arm then lets go of the 10-foot projectile, allowing it to be catapulted into the air.

A video on the company’s website shows the accelerator in action, including the team’s reaction of the company’s inaugural test flight.

“We can essentially validate our aerodynamic models for what our orbital launch vehicles are going to be like and it allows us to try out new technologies when it comes to release mechanisms,” Yaney told CNBC.

Even dialed down to just 20 percent of full power, the accelerator was able to launch a payload to an altitude of “tens of thousands of feet,” as the CEO told the broadcaster.

The advantage: rather than taking up all the space inside a rocket for fuel to get off the ground, SpinLaunch promises its vehicles could focus their mass on payloads rather than propellants.

Where SpinLaunch will go from here remains unclear. In 2019, the company signed a contract with the U.S. Department of Defense.

But with the right momentum, so to speak, the company stands a chance of catapulting itself into a red-hot satellite launch market — feet first.

READ MORE: Alternative rocket builder SpinLaunch completes first test flight [CNBC]

More on SpinLaunch: This Startup Plans to Fling Rockets Into Space With a Centrifuge

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