[–] [Deleted] 1 points (+1|-0) While not formally verified, NASA believed in 2015, the Greased Lightning set the record for the highest lift to drag ratio VTOL aircraft that has flown and transitioned. >[While not formally verified, NASA believed in 2015, the Greased Lightning set the record for the highest lift to drag ratio VTOL aircraft that has flown and transitioned.](https://evtol.news/aircraft/nasa-greased-lightning/) permalink source
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