> You might want to use an internet search engine to find links to the many
> concrete canoe building sites. These boats are usually built by students
> in college-level engineering classes, and grudge races between schools are
> common. It seems to be a requirement that the victor also create a website
> to memorialize the defeat of their foes.

> Common current rules require these boats to be able to float even if
> completely swamped. As a result, many have decked-over compartments,
> sealed compartments, and cockpits -- and thus are styled after popular
> kayaks.

> The decked areas are not only structurally strong, they reduce the need
> for high sides to keep out waves. On a concrete boat that would be a lot
> of added weight.

> While these craft are not light, they can be quite cheap, and fast to
> construct. (Rapid construction is practically guaranteed since these are
> built by college students who put off doing the work until the night
> before)

> Frequently you will see the term ferro-concrete. This means the boat is
> basically built of a mesh of iron or steel reinforcing wire which is
> plastered over with concrete. You can use the same forms for building one
> of these as you would use for a strip built kayak. put them on a
> strongback, cover with wire mesh ( several layers of woven fencing
> material like `chicken wire`) and lay on a coat of concrete with a trowel,
> forcing it through the mesh. Scrape off the excess on the inside, and
> smooth it out.

> When the boat is done, keep it wet for a week so the concrete can cure. A
> simple way to do this is to take it to the nearest lake and sink it. Later
> you can haul it out, let it dry, paint it (don't even think of sanding it
> first) and re launch it.

> This is one kayak that wont flinch if you try to crack a bottle of
> champagne over the bow at the relaunch.

> Best of luck with your project.

> Paul G. Jacobson

What did he say??? Well, anyway, I have been seriously concidering Raisin skins.......Yeh, they're little, but, when stretched out , you lose all the wrinkles and " WOW " {:o) Rehd