The 1913 Sikorsky S -9 Monocoque “Kruglyi” (Rounded One) was designed and built by I.I. Sikorsky in Russia
Developed into the S-11
Span: 39’4″
Loaded Weight: 2182 lb
Speed: 62 mph
Russo-Baltic Waggon Works Sikorsky S-9 Kruglyi
The 1913 Sikorsky S -9 Monocoque “Kruglyi” (Rounded One) was designed and built by I.I. Sikorsky in Russia
Developed into the S-11
Span: 39’4″
Loaded Weight: 2182 lb
Speed: 62 mph
All Aero 