An American company, Howe Industries, is currently developing Pulsed Plasma Rocket (PPR) technology for NASA. This cutting-edge propulsion system is expected to dramatically reduce travel time to Mars and beyond. The technology’s high thrust and specific thrust impulse (Isp) capabilities mean it could significantly reduce the current 9-month travel time to just 2 months.
The PPR technology builds on the advancements of its predecessor, PuFF, by using nuclear energy to generate thrust for spacecraft. However, PPR is more compact, simpler, and more cost-effective than PuFF. With its impressive performance and capabilities, PPR has the potential to revolutionize space exploration.
One of the key advantages of PPR technology is its ability to propel much heavier spacecraft than traditional propulsion systems. NASA envisions using it for crewed missions to Mars as well as beyond Mars missions such as flights to the Asteroid Belt for resource mining.
The Innovative Advanced Concept (NIAC) study is currently in Phase I, focusing on evaluating the system’s neutron flux, spacecraft design, electrical systems, and essential subsystems. Phase II aims to further develop advanced engine designs, conduct real-world testing, and design spacecraft for a crewed mission to Mars.
In summary, PPR technology holds great promise for the future of space exploration with faster travel times, increased payload capacity and expanded mission possibilities beyond Mars.