![](https://www.historynet.com/wp-content/uploads/2019/10/Bicurve.jpg)
Jacques-Jules Sloan sought stability with his Bicurve’s unique wing arrangement and counter-rotating propellers. (Courtesy of the Kees Kort Collection)
Courtesy of the Kees Kort Collection
Jacques-Jules Sloan sought stability with his Bicurve’s unique wing arrangement and counter-rotating propellers. (Courtesy of the Kees Kort Collection)
Courtesy of the Kees Kort Collection