I feel for you
turning out to be a real big job
The front deck is a weak point, whilst at this stage, check that for delamination, after a number of front end knocks, they usually end up with water leaks, that are not very evident when fully built up, if you intend to have a reasonably fast performance, remember that the spray rails form a very important part of the handling on this boat, oversize them! I speak from experience here! if undersized, the hull will have a terrible roll when turning, and will not plane very well. I used plastic on my 48" as its stronger than wood and less likely to get knocked out of shape, or end up with the corners rounded,
www.ema-models.co,uk do suitable long lengths that are quite hard to find, and Steve at scale hobbies in skelmersdale has a box full of very long lengths, hope that helps, Paul