Balerion Advisor Doug McAdams sits down with Richard Dinan, Founder & CEO of Pulsar Fusion, to discuss fusion propulsion. Pulsar Fusion develops high-power electric propulsion systems and is advancing its Sunbird fusion propulsion architecture for space transport. The discussion covers Hall effect thrusters, plasma testing, fusion exhaust architecture, and why fusion propulsion may be nearer-term than terrestrial fusion power.

Timestamped Overview

00:00 – Introduction to Pulsar Fusion and the Sunbird propulsion concept

00:46 – Richard Dinan discusses Pulsar’s origin and long-term fusion propulsion thesis

03:25 – Building a revenue-generating propulsion business before fusion readiness

05:20 – Pulsar’s focus on large Hall effect thrusters and high-power satellite propulsion

08:28 – Pulsar’s UK facilities, vacuum chambers, and propulsion qualification infrastructure

09:38 – How Hall effect thruster development supports plasma and fusion propulsion work

12:05 – Recent Sunbird demonstration and the fusion exhaust architecture problem

17:01 – Fuel-pair selection, neutron management, and why DT fusion is poorly suited for propulsion

20:56 – Q, plasma temperature, and why propulsion does not need to be a power plant

25:21 – Using in-space propulsion to reduce launch fuel requirements and enable logistics

30:03 – Why fusion propulsion may be simpler than terrestrial fusion power

34:15 – Competitive comparison with chemical, electric, and nuclear thermal propulsion

38:13 – Materials, shielding, magnets, and system lifetime in orbit

41:13 – Pulsar’s next milestones: diagnostics, higher plasma temperatures, and flight demonstrations

43:21 – Path toward fusion reactions in space and deuterium–helium-3 research

45:00 – Long-term vision for lighter rockets and cislunar or Mars logistics

46:50 – Closing remarks and final thoughts

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