I haven't seen a DLE20cc close up yet but sounds very interesting. Just don't know how much is hype and how much is truth, and who is doing the telling. About 90% of what you hear on some of these threads is pure, and unadulterated Bovine Skat

I converted all of my 140-180 glow 2 strokes to the SAP 30cc (180) gassie 2 stroke on pipe just about 1 year ago. Never had the need to look back. Flew alot over the spring and summer and burned around 10 gallons of gasoline, 14 ozs at a time. A tank lasts around 20 minutes and that's alot of flight time.

Ran 4 strokes maybe 8 years ago, YS120 and 140. Nice engines but anemic compared to 2 stroke of equal displacement. The present day YS170 is the sole exception, making gobs of useful power but running 30% nitro most of the time. That fuel has become very pricy and the engine often uses 24 ozs per flight. The cost differential per flight is something like 20X compared to 2 stroke gasoline