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The YT channel Electric Aviation did a pretty good video on this system [0]. He goes fairly deep into the vehicle's design and efficiency, in fact all his video
by L_226 5y ago
The YT channel Electric Aviation did a pretty good video on this system [0]. He goes fairly deep into the vehicle's design and efficiency, in fact all his videos are very informative. I personally cannot wait for the "Black Fly" electric aircraft to be available, the VTOL implementation is very unique [1]
[0] - https://www.youtube.com/watch?v=bPZI6XoHi10 https://www.youtube.com/watch?v=bPZI6XoHi10
[1] - https://www.youtube.com/watch?v=A7NVgKrrxgI https://www.youtube.com/watch?v=A7NVgKrrxgI
- mannykannot 5y agoThe first video shows how cherry-picked facts can be used to suggest a misleading impression of efficiency. The presenter repeats, several times, the claim that the duct moves ten times the amount of air than that delivered from the compressor. I imagine that fact came from Jetoptera, and I don't have any reason to doubt it, but that ten-times figure is irrelevant. The comparison that matters is the rate of transfer of momentum to the external airflow, compared to what can be achieved by driving a properly- or similarly-sized fan or propeller with the same motor.
- ricardobeat 5y agoNot very hopeful for the BlackFly either.. they had an 'official launch' almost three years ago, failed to go into production in 2019 as promised, then got a new CEO who left for Hyundai after barely a year at the helm.