Flight testing of a bi-wing Berliner Helicopter in Washington DC.
Washington DC USA Date:1925 Duration:2 min 10 sec Sound:NO SOUND
Test flight of a Berliner helicopter by Henry Berliner. A hybrid airplane helicopter built by Emile Berliner and his son Henry Berliner is shown during a Washington DC test flight. It rises and move forward in short hops. The lighter weight design and high incidence large camber lower wing indicates it was likely built in 1924 or 1925 as one of the last Berliner models, following after a triplane version that was test flown in February 1924.
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