Thanks chaps. Very helpful.
Only residual snag is that I have received this very morning (in the funny paper mail thingy) a nice algebraic proof that the best RANGE speed is Vimd. So I now have a new problem i.e to find the mistake in that!
(I also have to bear in mind that Wason does not make errors......)
While on the subject of duff gen – in particular P of F – there is a tremendous fund of it on various prune forums. Just goes to show that you don’t have to know how an aeroplane works in order to use one
(bit like me using my watch)
JF
[This message has been edited by John Farley (edited 11 November 2000).]