thanks rhall999 for the great explanation.
I am so sorry to everyone about how you understand and pick my writing tone up and I apologise. It was not my intention, beleive me.
I just did want to clarify what I was looking for. I always found that in this site.
I will set the LD of the Discus to 1° as a start, then I think I have to wait some time to test the flying perf as we have 50cm of snow now. Amazing for this period and even, in 12 years, I have never seen that in Belgium !
Thanks again to all for posting and I apologise again to everyone.
