AERONAUTICS: Question Mark

Endless circles and arcs, endless glissandos of flight. Over Southern California droned the Fokker cabin monoplane Question Mark. At the dawn of the new year five U. S. Army flyers had swooped into the air from Los Angeles. Their resolve was to shatter all existing records for endurance flights, to stay in the sky until men or engines succumbed. Experts had allowed their three Wright Whirlwind motors 400 flying hours before bearings splintered and cracked, poppet valves ceased to pop. The wind-bronzed flyers seemed staunch,...

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