the bottles will provide bouyancy if they can be tightly sealed, but you'll
need a framework something to give the boat its shape. maybe you could
figure out some way to fasten the bottles together end-to-end and use them
as "planks".

one way to tell if a plastic bottle is watertight is to put some water in
it, put the cap on, turn it upside down, and squeeze. if water comes out
its not watertight. that's a Bill Mason canoe camping test which I've used
on plastic containers to carry things like food and camera.

Ruth Ann ) writes:
I want to build a boat out of two liter soda bottles.
Why? Why not? I can make the time and the space to do it and it's
something I've wanted to do for a while.
I've looked on the web, but haven't found any sites on doing something
like this or any people who have done anything like this.

So, my question, does anyone know of any web sites that talk about
something like this or people who have an idea of how to go about
something like this?
I'm an engineer, so I've got some ideas on how to start, but would
like to see what others have done and have someone to bounce ideas
off.

Thanks
Ruth Ann


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