A favorite dream of airplane designers is a VTOL (vertical take-off and landing) that will leap into the air like a helicopter, fly as fast as a jet interceptor, and land vertically. Helicopters cannot be upgraded to do this job: they are inherently too slow. The Navy's "Pogo" (Convair XFY-I) takes off and lands vertically, but it has propellers and therefore can never fly as fast as a jet. Many other types have been tried (movable wings, swiveled engines, folding rotors), but none of them show promise of matching the designers' dream.
Rising Ratio....
To continue reading:
or
Log-In
