Although Continental gets most of the ink in coverage of aerodiesels, Lycoming has a thumb in the market, too, with the DEL 120. This project seemed to come out of the shadows reluctantly because its emergence is associated with the General Atomics Predator, the most widely used reconnaissance and weaponized drone. The Predator originally had the then-Thielert Centurion diesel, but when Thielert got into financial trouble, General Atomics sought other options.
