HARDWARE / PRODUCTUpdated 24 Jul 2026

Active Weightlessness System

Glavkosmos
Active Weightlessness System

The Active Weightlessness System is a ground-based test equipment designed to simulate weightlessness for modal testing of large transformable spacecraft systems, including reflectors up to 50m in diameter. It also estimates dynamic parameters like velocity and acceleration during suspension.

Key figurescomparable across the catalogue

Design life
3 years
Lead time
12 months

Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.

As published by the supplier

Purpose
Ground modal testing under conditions simulating weightlessness and testing of large transformable spacecraft systems deployment, including reflectors with a diameter up to 50 m.
Year of release
2014
Design life
3 years
Lead time
12 months
Possibility to adapt the product to customer requirements
Yes
Object suspension error
Active suspension system for large-sized transformable spacecraft systems at ground modal testing. Simultaneously with the suspension, the dynamic parameters are estimated (velocity, acceleration, etc.) with reference to the absolute time scale.

About

The Active Weightlessness System is a specialized ground-based test equipment developed for conducting modal testing of spacecraft under simulated weightlessness conditions. Its primary purpose is to facilitate the testing of large transformable spacecraft systems, such as reflectors with diameters up to 50 meters, ensuring their proper deployment and structural integrity in a simulated space environment. The system, released in 2014, offers an active suspension mechanism that not only supports the large-sized transformable spacecraft systems but also simultaneously estimates dynamic parameters like velocity and acceleration with reference to an absolute time scale. This capability is crucial for understanding the dynamic behavior of spacecraft components during deployment. The product has a guaranteed service life of 3 years and an estimated production/delivery time of 12 months. It also offers the possibility to be adapted to specific customer requirements, providing flexibility for various testing scenarios.

Documentation

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

Source: trade.glavkosmos.com ↗

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