Improvements In Full-Scale Design For Hybrid-Electric VTOL Aircraft Horizon Aircraft, which has been designing and building its full-scale hybrid-electric Vertical Take-Off and Landing (VTOL) aircraft called the Cavorite X7, says vertical-lift fans have been improved.The aircraft features a total of 12 vertical-lift fans: five in each wing and one in each canard. Replacing four smaller canard fans with two wing-size fans standardizes all 12 units, improving manufacturing efficiency, increasing performance, and simplifying maintenance. Aerodynamic surface improvements were also made, as the canard and tails have been reprofiled to lower drag, improve cruise efficiency and enhance stability.