Rumen,
Nice don't forget about us 1/5 scale guys
I'm think a Dle-55RA would work nicely, maybe a little high on the power side.I would love put a small twin in my Dora maybe a Rotor 50cc,but I dont think it would fit in the cowling without cutting the sides of the cowling.VVRC 40cc or Dle-40cc might work,but again I think it would be under powered. While I always Satio FS engines in glow ,I'm not crazy about there gas offerings . Which brings me too the Saito FG-57Tcc anybody use one? It's a little on the pricey side[$1049.99] ,20:1 mix ratio and non Walbo carb keps me away,but it would sound nice....
Cheers: Rich