Please find below a number of references about the development, studies and further infos for the "Divided Blade Rotor". Kindly contact us if you have any question about implementing this technology in your products.
11.2016 Simple Propeller Test with electric engine
These 2 links show short film of the Divided Blade, where energy consumption, air-mass-data, and the created thrust can be observed.
Mahmood H. Hussain applied for the US Patent of the "Divided Blade Rotor" No. 7396208 in 2005. The publication was finally made in August 2008. The patent officer has investigated the claim for an unusual lengthy time of over 3 years and concluded that this design is an absolute novelty in the propeller design.