D-JET Progresses Toward “Abused Stalls”
Diamond’s single-engine five-place D-JET prototype S/N 003 arrived Thursday at Oshkosh with blended winglets that change the jet’s look and improve its performance as the jet heads toward advanced performance testing. Diamond’s test program has flown about 70 hours since January. Test pilot Mark Elwess told AVweb the winglets have delivered measurable improvements in cruise,low-speed […]