An interesting group of 2 stroke engines ... it seems like they are all on the upper end of the price scale (with Magnum and Thunder Tiger on the lower end of engines I'm a little familiar with), but I'm assuming power and reliability goes with it.

Enya has been around for a long time. Back when I tried control lines in the early 70's Enya were the hot engine of choice. They had a reputation of being really hard to start and to break in ... I haven't heard that about them since recently venturing into RC.

With one exception that I can think of, it seems like just about every one in my club flies OS for mid sized 2 stokes. Of course, this could be because the best local hobby shop has as a large selection of OSes. I'm not even sure they have anything else on hand for .20 to .60 2 strokes.

While I was shopping for my nephew, I went ahead and bought myself an OS 46 FX. I bought a used low wing WM super sport with a TT 46 Pro on it. I figure having a spare engine on hand to swap around couldn't hurt. If I break it in on my trainer on the SS, I should have an engine ready to go that I can trust for my 3rd plane.

Cheers!

Cub