3W-International Develops New Hybrid Wankel UAV Engine | Unmanned Systems Technology
LiquidPiston Enters the UAV Arena with a Revolutionary Rotary Engine | Commercial UAV News
Strategic Frontier on Twitter: "NAL has developed 30hp, 55hp & 65hp Wankel engines for light/medium weight drones. The 55hp engine was used on DRDO Nishant reconnaissance UAV. The spin-off engine versions are
ar731-38-bhp | UAV Engines
PDF) Cool running (Wankel Rotary Engines by Advanced Innovative Engineering / AIE) | frank herfert - Academia.edu