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Although the ISS currently has no laundry facilities, NASA’s Glenn Research Center sponsored a washing machine design contest to do the drudgery during spaceflight. Plans have been made for testing a prototype on the ISS. https://www.nasa.gov/feature/glenn/2021/nasa-glenn-interns-take-space-washing-machine-designs-for-a-spin

Currently, laundry is de-orbited rather than being washed. On prolonged future missions, laundry day will become a necessity.

Technical design details of the winning projects are hard to find. It’s difficult to imagine they could have much in common with domestic laundry machines with their high speed spin-cycle baskets and "Dancing Girdy" antics.

How is the angular momentum and vibration from orbiting washing machines minimized or managed? Is their vibration worse than that from ISS exercise machines? Are there ISS experiments which could not be conducted on “laundry day”?

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  • $\begingroup$ related information on ISS vibrations including spectrogram: Why isn't a centrifuge used for astronauts on the space station? because Shake, Rattle and Roll! $\endgroup$
    – uhoh
    Jan 16 at 22:05

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