"ZZyXX" <zzz...@CampSoda-RestorationProject.null> wrote in message
news:odtgmf$1hpa$1...@gioia.aioe.org...
> Would they have been useful on allied aircraft during WWII. I can imagine
> in the pacific it would have given an extra fuel margin for the long
> flights or at least made the long flights shorter
Wikipedia points out the principle was patented in 1897 and implemented
in the Heinkel Volksjaeger (He 162.) The practical question seems
benefit/cost (exemplified in the differences in design and manufacturing
costs of the wings of Hawker and Supermarine fighters.)
--
Don Phillipson
Carlsbad Springs
(Ottawa, Canada)