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“I only regret that I have but one face to palm for my country.”
Monday, August 28, 2017
Variable geometry biplane...
Long before the variable-sweep F-111 or even the variable-incidence F-8, there was the variable-number-of-wings Nikitin-Shevchenko IS-1, a "polymorphic" fighter which could convert itself from biplane to monoplane and back in flight.
