See also Magenn (I believe they're defunct now.) https://duckduckgo.com/?q=magenn https://duckduckgo.com/?q=magenn Their idea was to use inflatable Magnus effe

See also Magenn (I believe they're defunct now.) https://duckduckgo.com/?q=magenn https://duckduckgo.com/?q=magenn Their idea was to use inflatable Magnus effect generators to provide lift as well as power. https://en.wikipedia.org/wiki/Magnus_effect https://en.wikipedia.org/wiki/Magnus_effect