Overview
The Sikorsky X2 is an experimental high-speed compound helicopter with coaxial rotors, developed by Sikorsky Aircraft, that made its first flight in 2008 and was officially retired in 2011.
Specifications
Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.
Photos
Photo 1: Valder137 / Wikimedia Commons · CC BY 2.0
Some text and images come from Wikipedia / Wikimedia Commons under CC BY-SA licences. Source
