Actually, sheathed strip was originally developed for larger vessels and later applied to canoes, dinghies and kyacks. The basic method was invented by Lindsey Lord in 1958.

Tom MacNaughton

> I don't have his publications, but I have read his web pages over the
> years.

> I suspect this isn't a case of going astray, but misapplication of the
> data.

> Without knowing for certain, I would be inclined to suspect that in his
> wood strip data he was working with small boats like kayaks, and in the
> wood panel data he was working with large work boats. Reading his web
> pages are what leads me to suspect this. That and I am unaware of any
> large boats being built as strippers, with the exception of the occasional
> novelty.

> For with those rules, boat dimensions do have to play a part. 6 oz
> sheathing can work fine for an 18' kayak, but will not probably perform
> adequately on a 60' cruiser.