About Johan Leijtens

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So far Johan Leijtens has created 80 blog entries.

ESA Global Space Markets Challenge winners

  Proud and humbled at the same time we like the world to know we have been selected by the ESA director general mr Joseph Aschbacker to be the third prize winner of the ESA Global Space Markets Challenge. The ESA ESA - Small and Medium Sized Enterprises website shows some more details but in short [...]

ESA Global Space Markets Challenge winners2021-11-07T18:05:59+01:00

Reliability for Cubesats

On the 18th of June we finished thermal vacuum cycling of the BiSon Sunsensors that was agreed upon in frame of the running ESA GSTP program. At the VaB thermal cycling facility has 9 slots for mounting Sunsensors, and all Lens R&D Sunsensors have the same mounting interface, we decided to test a MAUS [...]

Reliability for Cubesats2021-06-20T17:03:49+01:00

Changing temperature beyond satellite speed.

A trio of Lens R&D Sunsensors is changing temperature under vacuum at a speed that surpasses that of a real satellite. The plot shows the temperature profiles achieved for the BiSon Sunsensors in frame of the ongoing ESA life testing qualification and the MAUS Cubesat Sunsensor. Contrary to common high speed cycling (which is generally [...]

Changing temperature beyond satellite speed.2021-04-10T18:09:54+01:00
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