SpinLaunch Is Trying To Make An Orbital Accelerator Somehow Shocked NASA

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SpinLaunch Is Trying To Make An Orbital Accelerator Somehow Shocked NASA
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SpinLaunch Is Trying To Make An Orbital Accelerator Somehow Shocked NASA
Have you ever thought about, or heard of launching something into orbit by throwing it really really hard? Somebody did, and that's SpinLaunch - a spaceflight tech company working on mass accelerator technology to move payloads to space.
This company is pursuing a completely new path compared to the current space industry. SpinLaunch, a few years ago, was frequently in the news and considered a highly promising company. But what about now?
Today, I'll dive deeper into what we know, some issues they face, what to expect in the future, and more.
SpinLaunch Is Trying To Make An Orbital Accelerator Somehow Shocked NASA
The traditional method of putting objects into orbit is to place them on a rocket powered by liquid fuel engines—a proven solution but generally still costly. I have mentioned the rocket equation at least twice in my videos, which shows that up to 90% of the rocket's mass is fuel, leaving only a small portion for useful payload. This results in the cost of launching a satellite reaching tens of millions of dollars per launch.

SpinLaunch proposes a very different approach, based on basic kinetic principles. Instead of relying entirely on the thrust of rocket engines, they use a giant centrifugal accelerator—called an orbital accelerator. This device applies a basic physical principle that we have seen in astronaut training to cope with G-forces—rotational energy. Essentially, there is a giant rotating arm in a vacuum chamber, capable of accelerating the payload to extremely high speeds. When the desired speed is reached, the payload is launched along a tangential vector through a precisely calculated exit port.
SpinLaunch Is Trying To Make An Orbital Accelerator Somehow Shocked NASA
Specifically, the tether structure is made of carbon fiber, designed like a lever arm, with a small rocket payload attached at one end and a counterweight at the other, creating a dynamically balanced system. To optimize the launch efficiency, the entire spinning chamber is vacuum-sealed to minimize air resistance acting on the system during rotation and to prevent temperature increases due to air friction.

The acceleration process takes about 90 minutes, with the rotational speed gradually increasing in a controlled manner. This is a critical phase requiring high precision in control and monitoring to ensure the system maintains stability as it reaches critical speed. The actual launch moment is a sequence of events occurring in less than a millisecond.