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RSG
radioisotope stirling generator
RSG

System Specs
Constructed from durable materials to house and protect the power system in extreme conditions; highly customizable design based on space or terrestrial application.
Heat from the radioisotope heat sources drives a piston back and forth inside a sealed Stirling engine. That motion powers a generator to produce electricity, significantly increasing power efficiency.
Designed with a novel fuel and shielding system to deliver high specific power from strontium-90 or americium-241.
System Specs
Power Output
15 - 100s Watts electric
Planned Lifespan
5+ years
Energy Conversion
Stirling engine
Radioisotope Fuel
Sr-90 or Am-241
status
Development
Q1 ’ 24
Launch
Q4 ’ 28
RHU
radioisotope Heater unit
RHU

FEATURES
Constructed from durable materials and designed to interface with instruments, components and systems.
Superalloys contain the nuclear fuel and shield particle emissions.
Designed with a novel fuel and shielding system to deliver high specific power from americium-241.
System Specs
Power Output
<10 Watts thermal
Planned Lifespan
5+ years
Heat Transfer
Conduction
Radioisotope Fuel
Am-241
status
Development
Q1 ’ 24
Launch
Q4 ’ 28
RTG
Radioisotope Thermoelectric Generator
RTG

FEATURES
Constructed from durable materials to house and protect the power system in extreme conditions; highly customizable design based on space or terrestrial application.
Heat from the radioisotope creates a temperature difference across solid-state materials in the thermoelectric generator, producing electricity directly – no moving parts required.
Designed with a novel fuel and shielding system to deliver high specific power from strontium-90 or americium-241.
System Specs
Power Output
1 - 100s Watts electric
Planned Lifespan
5+ years
Energy Conversion
Thermoelectrics
Radioisotope Fuel
Sr-90 or Am-241
status
Development
Q1 ’ 24
Launch
Q4 ’ 28