Thank you ALL for your replies / insights / suggestions/ encouragement etc etc etc............I really DO appreciate it

For the FEV, I have gone with a suggestion by Andy of MMB of some easy-sand filler as supplied by a firbe-glass moulding specialist. Will post pictures of the progress and outcome on the relevant topic thread as it happens.
Kim - no worries about 'plugging' your plug mate - you go for it

It all helps us all in the long run...........
I am very tempted by this idea for the hull of the Norland - I can spend months drawing the thing..............and then it takes double the months to produce a satisfactory plug!!

Once the FEV mould is done and the first hull produced, I will contact you to discuss in more detail the Norland project if thats ok.
Looking forward to more details on this method when you write them..............
Cheers
Carl