Here’s a report on the Estonian cubesat project ESTCube, which will test the E-sail propulsion concept from Pekka Janhunen of Finland: Electric Space Sail to Get Its First Test – IEEE Spectrum.
Here’s a report on the Estonian cubesat project ESTCube, which will test the E-sail propulsion concept from Pekka Janhunen of Finland: Electric Space Sail to Get Its First Test – IEEE Spectrum.