Californian Professor Jerome S. Zerbe produced a sextuplane with six 15′ wings forward-staggered over a framework bearing two tractor props, but there are no records of its success, if any.
Zerbe Sextuplane
Californian Professor Jerome S. Zerbe produced a sextuplane with six 15′ wings forward-staggered over a framework bearing two tractor props, but there are no records of its success, if any.
All Aero 