You need to determine if the hull you want to copy is doable in strips. If the boat being copied is plastic it could have a shape that strips can't follow or that would require some extreme method of clamping to get the strips to comply.
That being said, I would never attempt this if the boat to be copied was valuable.

: Hi All,
: Was wondering about the feasability of using an existing hull as a
: form to lay strips on?
: * Would obviously have to protect the existing hull from epoxy and
: could be tricky seperating the hull from the original.
: * Stapleless construction so as not to damage original hull.

: Any other pros/cons?

: i'm sure that this query has popped up before and will do a
: detailed search should there be some merit in the idea.
: Cheers in advance.