Carrying mail very fast
down mountains?
But they said the same about heavier than air at the beginning.
Just a rich man's fad...
Steam trains and coal burning passenger liners much better...
I think the most obvious initial application military: high/low with stand-off insertion.
Or "Fun" for Jimmie Saville.
(, Sat 30 May 2015, 16:08, Share, Reply)