Thank you leonwood,
I appreciate your replys a lot (not to forget all the others)
So, to get as less stress, to the wood, as possible is the best for this curves.
Thanks to you and simons I'm going to work on my Sudbury again...
Entering this forum is something like tbb5. As this is for free I hope I can help or inspire someone as well,....someday.
Sometimes I feel like, asking too much for what I have to give.