Pulsar Fusion

Updated 25 Jul 2026
Manufacturer United Kingdom Listed
4 Products
2 Services
15 Years Active
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About Pulsar Fusion

Pulsar Fusion designs and manufactures clean space propulsion systems. The company offers electric propulsion systems, including plasma thrusters for extending orbital lifetime, attitude control, precision spacecraft control, and low-thrust maneuvers in small spacecraft for geosynchronous orbit applications. They also provide hybrid rocket propulsion systems, which avoid some disadvantages of solid and liquid rockets, for low Earth orbit applications. Additionally, Pulsar Fusion is pioneering advancements in fusion propulsion technology, designed to produce both thrust and electric power for interplanetary spacecraft. The company operates state-of-the-art facilities, including a clean room for precision manufacturing and assembly, and vacuum chambers to simulate space environments for testing electric propulsion systems. Their team includes individuals with experience working with agencies like the European Space Agency (ESA) and UK Space Agency (UKSA). The company's staff includes experts in nuclear fusion reactor research, aerospace engineering, electrical engineering, and Hall-Effect Thrusters.

Products

4
TRL 6 · Prototype

Pulsar Fusion's LeoBear is a 500 W Hall-effect thruster for LEO small satellites: 13–36 mN thrust, 1,200–2,300 s Isp on krypton or xenon, 130×130×150 mm, ESA GSTP-funded for TRL 6, with Momentus Vigoride in-orbit demonstration planned for late 2026.

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Pulsar Fusion's MarsRanger is a magnetically shielded 10 kW Hall-effect thruster for GEO and deep-space missions: tested at 175 mN / >1,875 s Isp at 5 kW partial power, targeting full-power performance at 300–500 V design voltage, rated for >20,000 hour lifetime.

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Pulsar Fusion's Sunbird is a Dual Direct Fusion Drive (DDFD) using deuterium + helium-3 fusion: targeting 10,000–15,000 s Isp, up to 100 N thrust, 2 MW power generation, ~223 km/s exhaust velocity. First plasma achieved March 2026; orbital demonstration planned 2027.

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Additional Services

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Integration & testing
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Pulsar Fusion provides precision manufacturing and assembly services, ensuring that components are produced and put together with the highest accuracy. This work is conducted within a state-of-the-art clean room, which maintains a controlled environment with minimal contaminants. This controlled setting…

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Testing & qualification
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Electric Propulsion System Testing

Pulsar Fusion offers testing services for electric propulsion systems, utilizing advanced vacuum chambers to simulate the harsh conditions of space. These facilities provide the necessary environment to rigorously test the performance and reliability of electric propulsion systems, ensuring they meet…

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