Small, Lightweight Mills For Ultralight, Experimental, And UAV
Applications
New Zealand-based Duke Engines LTD has introduced the world's
only commercial 4-stroke axial piston spark ignited engine, and was
showing it last week at Oshkosh. The engine is
lightweight, small, valveless, vibration-free, has very high power
density, and runs on most fuels, including kerosene/jet fuel.