Quad City Challenger
…with a variety of engines. Qualifies as a US "Experimental - Amateur-Built", Light sport aircraft or with the 22 hp (16 kW) Hirth F-33 engine as a US FAR 103 Ultralight Vehicle, 800 reported completed and flown by the fall of 2011. Challenger I Special Single seat, 26 ft (7.9 m) wingspan gives faster roll rate. Engines 40 hp…