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ProductUpdated on 4 November 2025

ISPTech 1U CubeSat Propulsion Module (Low Power Consumption)

Founders Associate at ISPTech - InSpacePropulsion Technologies

Hardthausen, Germany

About

Status

  • In development with in-orbit demonstration in 2026.

The Cold Gas 1U CubeSat Propulsion Module provides a high impulse propulsion capability in small form factor.

This 1U Module can be used CubeSats as small as 2U up to much larger configurations as its compact form factor allows it to be flexible incorporated into any CubeSat design.

Furthermore, this cold gas propulsion system operates under 6.9 barD and thus is not classified as a pressure vessel, making the system safe, simple and effective.

This system provides a higher thrust capabilities with an insignificant power consumption as compared to an Electrical Propulsion system. Compared to a Hot Gas Propulsion system, it provides a more simple, reliable and safer propulsion system while still offering comparable performances, enabling your CubeSat to perform manoeuvres such as orbit raising and de-orbitation without imposing significant constraints on your system.

This CubeSat module can deliver more than 390 Ns impulse or over 87 m/s deltaV for a 5 kg 3U CubeSat, 41.4 m/s deltaV for a 10 kg 6U CubeSat, and 20.2 m/s deltaV for a 20 kg 12U CubeSat. All of this with a simple and reliable cold gas propulsion system with no pressure vessel and minimal active components while also being compliant with all launch and safety regulation.

Your Advantages

  • The propulsion system uses a propellant that is non-flammable, non-toxic, high-density, chemically stable, self-pressurising, and has a low freezing point

  • A simple self-pressurising system with less active components and thus fewer possible points of failure

  • Avoids pressure vessel regulations • Insignificant power consumption

  • Pulse mode operation allows for precise actuation

  • ITAR free and REACH compliant

  • No preheating or conditioning required

Organisation

ISPTech - InSpacePropulsion Technologies

Start-up

Ludwigsburg, Germany

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