Rohlfs flew a hydro-aeroplane called the "Dunkirk Fighter" for Curtiss Aeroplane and Motor Company in 1918. Later that year he broke the flight airspeed record while flying a Curtiss Wasp, his speed was clocked at 163.1 mph (262.4 km/h).
He died in 1974.
- "Rohlfs Makes New Record. Climbs 19,500 Feet in 9 Minutes 42 2-5 Seconds". New York Times. September 20, 1919.
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