You can give yourself a tighter fit by making the cockpit smaller. You can use the Guillemot cockpit. Basically you can make the cockpit any size you want. The shape does not really matter except you want a spray skirt to fit it. It doesn't matter how you arrive at the shape.

> After purchasing Nick's book, I am building the Great Auk. Nick states in
> his book if you want a bit more performance to scale the cockpit opening.
> Should I scale the opening concentrically, from the back edge, or the
> front edge? Or am I just splitting hairs? Any recommendations on size?
> Could I use the Guillemot's cockpit dimensions? If it matters, I am on the
> tall side and have scaled the kayaks beam to 23 inches.

> Thanks for your input, Rick