In reply to adamholden:
> Thanks for that.
No worries, Sorry it wasn't really the answer you were wanting and seems quite wasteful, I didn't realy have time to put up a full reply at the time.
I have a shed full of old wheels for various bikes that could probably be fixed but it was cheaper to buy something new.
If you do ever want to play about with wheel building, as always, Sheldon brown has a lot of useful info about working out manually
http://sheldonbrown.com/spoke-length.html
And if you take all the measurements asked for in the above page you can miss out all the calculator work with the tool on the left side of the wheelpro page
http://www.wheelpro.co.uk/spokecalc/
Gethin.