On July 30, 1928, Curtiss-Bleecker Helicopter Rotor Whirl Test Jig: Italian Anzani five-cylinder, air-cooled aircraft engine rated at 75 horsepower.
Photo Credits: LTC Paul J. Fardink, U.S. Army, Retired - Vertical Flight Historian
To use all the features of this site you must be logged in. If you are a VFS member and would like an account, please contact us.