5 BUCK BOAT!

Here is my “5 Buck Boat”. I decided to start with a known quantity of coinage. So, in this case 20 US quarters totaling 5 bucks.

I had to design/build this twice (see pictures). But, the first attempt highlighted two things. One, I underestimated the amount of displaced water needed. And two, I was storing my coins too high creating balance issues.

So, my second attempt was much better. Just enough displacement to store the 5 bucks. Once I was solid on floating the coins I added a de