In 2018 answers were posted to

indicating that "Bartolomeo is not Australian but European" but that it will be "installed on the Airbus DS Bartolomeo platform as part of the FAST mission (Facility for Australian Space Testing) in mid-2019."

See also

Question: Was the Isp = 11,000 seconds Neumann Drive tested on the ISS? Did it work? How well did it perform?

1 cites the 2016 Daily Mail article Radical ion rocket engine that could 'get to Mars and back on one tank of fuel' set to be tested on the ISS

  • 1
    $\begingroup$ There's nothing about it on the ISS daily reports or even the company's own website. $\endgroup$ Aug 28, 2021 at 16:49
  • 2
    $\begingroup$ There may be something in this but the Daily Mail is not a reliable source of information. $\endgroup$
    – Slarty
    Sep 5, 2021 at 9:13

1 Answer 1


Patrick Neumann told me they had to raise a bunch of cash in order to pay for ride and slot on the Airbus/ESA Bartolomeo module for the ISS. I suspect they weren't able to do it in time and had to find other ways to perform a flight demonstration.

See https://neumannspace.com/the-spirit-mission-is-a-go/ which describes their scheduled first flight on a 6U demonstrator CubeSat in 2022.

In terms of very high ISP, they've got competition from MagDrive which just raised $2M from Founders Fund for a similar technology.


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