Breathing New Life into the NERVA Engine: A Fun Take on Advanced Space Propulsion’s Challenges and Opportunities

Skyler I. Siddens
3 min readMar 21, 2023

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The opportunities are out of this world. With NERVA by our side, the cosmos awaits!

Imagine a world where we can zip around the cosmos with the speed and efficiency of a superhero! That’s the dream, right? Well, buckle up, space enthusiasts! The NERVA engine, an almost-forgotten piece of space tech, could be our ticket to exploring the far reaches of the universe. Here’s an entertaining look at the challenges and opportunities in reviving this powerful propulsion system.

A Blast from the Past — The NERVA Engine Origins

Researchers analyze a Kiwi B–1 engine before installation in the B–3 Stand in May 1967.

Picture this: it’s the 1960s, and humanity is on the brink of the Space Age. Enter the NERVA engine, a nuclear-powered rocket that could have taken us to Mars and beyond! It was developed as part of the Nuclear Engine for Rocket Vehicle Application (NERVA) program, and it promised to revolutionize space travel. Sadly, the program was canceled, and the NERVA engine was left to gather dust in the annals of history… until now!

Supercharged Space Travel — The Perks of Nuclear Thermal Propulsion

This copper nozzle at J-1 was shaped similarly to nozzles on nuclear engines. Researchers used it to study heat transfer from the nozzle wall to the hydrogen coolant (1971).

Forget chemical rockets; nuclear thermal propulsion (NTP) is where it’s at! NTP engines, like the NERVA, have a high specific impulse, which means they can propel spacecraft further and faster. Plus, they’re more fuel-efficient, so we can kiss those massive fuel tanks goodbye! With NTP engines, the possibilities are endless, from speedy trips to Mars to exploring the outer solar system.

The Speed Bumps — Challenges of Reviving the NERVA Engine

Drawing of the copper nozzle used at the J-1 stand to study heat transfer characteristics for nuclear rockets.

Of course, it’s not all smooth sailing (or flying). Reviving the NERVA engine comes with its share of challenges. For starters, there’s the issue of nuclear material handling and safety. Plus, we need to update the engine’s design to meet modern standards and technology. But hey, where’s the fun without a few hurdles to overcome, right?

The Stars Are the Limit — Opportunities for Advanced Space Propulsion

“Status of Nuclear Flight System Definition Studies — Case 237,” B71 02018 (NASA Contractor Report 116601), D. J. Osias, Bellcomm, Inc., 9 February 1971.

Despite the challenges, the potential rewards are astronomical! By investing in NTP and reviving the NERVA engine, we can unlock a new era of space exploration. We could see missions to Mars, Jupiter, and beyond, with astronauts spending less time in transit and more time exploring the wonders of the universe. The NERVA engine might just be the key to unlocking the full potential of human space exploration!

A Conclusion We Can All Be Happy About

A rendering of the USNC-Tech NTP systems in line at a rocket hangar. The system is roughly 13 feet (four meters) long.

So there you have it, space lovers! The NERVA engine, with its nuclear-powered awesomeness, could be the answer to our space travel dreams. Sure, there are challenges to overcome, but the opportunities are out of this world. With NERVA by our side, the cosmos awaits!

A special shout out to the user on Discord who helped me out with this article on the OpenAI Discord Server for ChatGPT4.

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Skyler I. Siddens
Skyler I. Siddens

Written by Skyler I. Siddens

Passionate about exploring space and the latest developments in science and tech. Hoping to inspire curiosity and discussion through my Medium.com articles. 🟣