> Like George says, if you have a desired width and height, you
> need to scale the length to give you the volume necessary to float
> the boat and paddlers. This is how I came up with a 25.5' boat when
> I designed my Fast Double. It is 21 inches wide, and draws about 4
> inches. The boat is fast and stable and a lot of fun to paddle. Although
> I installed a rudder, I typically don't use it.

So, how do you determine the volume you want for a boat? Obviously you know the weight of your paddlers and equipment, but you want more displacement than just that number. Do you multiply that times 4 or actually figure out the volume in water with a 4" displacement?

Shawn