HARDWARE / PRODUCTUpdated 24 Jul 2026

PBR-50

Pale Blue
PBR-50

The PBR-50 is a fully integrated water vapor propulsion system with a 10 mN thrust, designed for spacecraft and preloaded with propellant for easy integration.

Typed specifications5 values

Discloses 3 of 10 fields engineers filter by in this category (category median 3).

Mass
13.4 kg
product page
Thrust
10 mN
product page
Envelope (L×W×H)
Φ250 x 300 mm
product page
Total impulse
4 400 N·s
product page
Power consumption
50 W
product page

Each value is typed with its unit and measurement condition and cites the datasheet page it was taken from. Nothing is guessed: a field that is absent here has not been published by the manufacturer. machine-extracted ✓ checked by NewSpace Market ✓ manufacturer confirmed by the manufacturer.

As published by the supplier6 lines, in the manufacturer's own wording
Power
50 W
Thrust
10 mN
Total impulse
4,400 Ns
Wet mass
13.4 kg
Envelope
Φ250 x 300 mm
Comm. if
RS-422

About

The Pale Blue PBR-50 is a water vapor propulsion system housed in a compact Φ250 x 300 mm form factor. This system is fully integrated, encompassing the thruster head, fluidics, electronics, and a propellant tank. Its design allows for clustering, making it adaptable to a wide range of spacecraft sizes and mission requirements. A key feature of the PBR-50 is its use of water as propellant, eliminating the need for high-pressure storage, which simplifies handling and safety protocols. To further streamline the integration process for satellite manufacturers, the propellant is preloaded into the tank at the factory, removing the need for complex on-site fueling operations.

Documentation

No public datasheet yet — request the datasheet / ICD from the supplier.

Source: pale-blue.co.jp ↗

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