1. Time is right to explore new ways to move people and goods 1.1 Technology advances in structures, automation and control, energy generation/storage/utilization, tools for design and analysis 1.2 Coupled with pressures of resource availability, population density 1.3 Urban operations enabled by VTOL capability, power and energy minimized by using low disk-loading rotors, short range allows non-traditional propulsion concepts
展开▼