it's really nice to have so many reply's and see how interesting is a built of a small bore engine.i'm just a curious who loves minis and DIY.

so if i upset you guys with more and more questions about how it works and how is the best option don't forget Small Bore Power addicted

don't mind, i'm portuguese and don't speak/write or understand you at the "first shoot" so i have to translate some parts.
Best Regards