Overview
The Brantly B-1 was a 2-seat, coaxial-rotor helicopter designed by Newby O. Brantly and constructed by the Pennsylvania Elastic Company, Brantly's employer.
Specifications
Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.
Photos
Photo 1: RuthAS / Wikimedia Commons · CC BY 3.0
Some text and images come from Wikipedia / Wikimedia Commons under CC BY-SA licences. Source
