ORIGINAL: nitroairplane
is the engine in your avatar owned by you? thank you
Yes, it's another little gem from the Czech republic; an LD 0.1 cc (.006 c.i.) diesel made by Ladislav Davidovic.
Not nearly as powerful as the GZ, but just right for a little free flight model.
It is used to power the Comper Swift that I posted in this thread:
http://www.rcuniverse.com/forum/m_5817293/tm.htm (page 1, a little bit down the page)