First Principle.
Pity there isn't a like button on here.
As for the conventionists. Where does progress go without the outside the box thinkers?
An expression I once heard." If that were possible someone would have done it already". Well really!
The condom on the dick of progress springs to mind.
Barnes Wallis, Bert Rutan, Frank Whittle, R J Mitchell, etc. Thank the Lord for them all.
The OP has an aviation background, he's not some numpty with an unworkable notion and a death wish.
We are all in possession of vastly more knowledge today than the pioneers that did all the ground work sorting out the physics.
I just wish I had the years, the energy, spare time and a bit more technical knowledge to go down the same route.