Overview
The Kellett XR-8 is a helicopter built in the United States during World War II. It was a two-seat machine intended to demonstrate the feasibility of a twin-rotor system and, while it accomplished this, it also demonstrated a number of problems that prevented further development of this particular design.
Specifications
Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.
Photos
Photo 1: Unknown authorUnknown author / Wikimedia Commons · CC0
Some text and images come from Wikipedia / Wikimedia Commons under CC BY-SA licences. Source
