Thanks for your thoughts.

I'll do a few sums on angles and a bit of trial and error.

As next season will be my first full one on a mozzie I was planing to leave it a while but the sight of mozzies in full flight with kite is proving to be a strong temptation. <img src="http://www.catsailor.com/forums/images/graemlins/tongue.gif" alt="" />