I wouldn't mind Fred and others, but he didn't just jump in and ask specific questions, 1,2,3,4 and so on, - it was just bits and pieces, all over the place!!! And I don't think that he's any more qualified than any of the other University mechanical engineering graduates on this forum. I gave up after the first page or so!

To be honest, nobody in the whole world owes me an apology of any sort. Having been in the Army system for so long, you just take the rough with the smooth and move on. Anyway all you forumers out there, it's nice and bright here in Oxfordshire, there's no rain forecast so things are looking up