http://www.aviationweek.com/Article.aspx?id=/article-xml/AW_09_09_2013_p12-609055.xml

   “The quest for a small UAS engine that burns diesel or JP-5 fuel rather than aviation or automotive gasoline has been underway since the 1980s. The latest bump in this long road was the acquisition in July of Thielert, manufacturer of the diesel engine for the U.S. Army's MQ-1C Gray Eagle UAS, by China's Avic.

   This has forced the Army and General Atomics to adopt Lycoming's DEL-120 diesel—an engine that Lycoming did not show at Auvsi, instead bringing its smaller, 63-hp EL-060 (a spark-ignition multifuel two-stroke). One question is when the new DEL-120 will be able to attain the time between overhauls needed for UAS use. The Thielert engine became notorious in the personal-aircraft market for frequent and expensive inspections and overhauls.”


   Marc Wieie

    The Thielert is an econ box car engine from Europe.
   What do you expect ? :) Miracles? :)

   Paul Lamar


   Paul,

   Years ago driving 18 wheel diesel trucks, we put additives into diesel fuel to keep the engine performing in extreme cold. Question, in nations where diesel is available and very little aviation gasoline, could an additive be used in diesel so it could run in a Wankel Engine set up for gasoline.  Paul have you heard of anyone that experimented with fuel treatments to burn diesel or is its flash point to low ?

   George Curtis


   Why do that? You can get car gas all over the world.


   Paul Lamar



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