[aspiring.hillbilly]

If one of the props, or the shaft between them gets shot they are unsurvivable, cant autrotate down, and glide like a paving brick. $13 billions and 25 years just to get a flying truck that is a tad faster than a helicopter... sounds foolhardy to me...!

[A.A. Cunningham]

sounds foolhardy to me...!

That's an appropriate description of your ill-informed rants on this thread.