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A comment on Ikarus electric “rocket” – Thrust-vectored flying ducted fan [video]. Parent comment

Re:Ikarus electric “rocket” – Thrust-vectored flying ducted ... by 52-6F-62 on Thursday September 20, 2018 @12:11PM (#18033519)
I think it's because the batteries are teetering above the centre of gravity?
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Re:Ikarus electric “rocket” – Thrust-vectored flying ducted ... by rasz on Thursday September 20, 2018 @03:00PM (#18034706)
you want center of gravity above the propeller, its the classic balancing a broom on the tip of your fingertip trick
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