hi james , i build these projects not as scale , but just to try n get to fly , and most of all , enjoy . as with my first tandems , they have a tendancy to pitch down at the back when coming out of a quick circuit , and as no doubt i`ll find some different flying habits of this one too , which is what i like to do , i also try not to cut any parts up as i may go on to try something else later on . thanks for trying different parameters today , once my cyclocs arrive , i`ll get fiddling and post my findings . i`m looking forward just to hovering this one , as to me its different , thanks ady