Hi my friends, sorry for the delay but I had the latest days very busy. Thanks all for you replys, and now some comments:
Domin, This building will be self-made, sure.
Johan, nice idea, I considered it but I think is better this way to simulate a flight, the german figure will clarify all.
Chris, this is the objetive, an easier and different dio.
Wayne, sure I will post the next process, Im absolutely OK with you about the SUs are cool subjects.
Bob, Thanks for your Word, I keep posted.
Best Regards All.