Agreed re the concept of [1]. Since the link in [2] was from 2013 I was curious to see if there were any updated PR releases but couldn't find any. I did stumbl

Agreed re the concept of [1]. Since the link in [2] was from 2013 I was curious to see if there were any updated PR releases but couldn't find any. I did stumble across [3] which seems to be the successor which uses a 3 cylinder diesel engine as the power source [3] https://wiki2.org/en/Siemens-FlyEco_Magnus_eFusion https://wiki2.org/en/Siemens-FlyEco_Magnus_eFusion