1. Define the Problem and Brainstorm: The problem is we need to float Ryan in a canoe across the pool. 1. We could make a leaf like shape 2. We could make the boat tall so no water is let in 3. We could make a cardboard submarine 4. There could be a hand-crank propeller 5. There could be a big double-sided paddle 6. We could make a raft shaped float 7. We could make a viking boat and make it 7 feet long 8. The boat could be fold-able so we can transport it easily to the pool 9. We could cut a milk container to use it to get water out of our boat 10. We could cut holes in the boat to use paddles through
2. Criteria and Constraints: One implied criteria is that the boat must be completely covered with duct tape. Three implied constraints are that it has to fit through the door, it has to fit one person, and it has to be hydrodynamic.
2. Criteria and Constraints: One implied criteria is that the boat must be completely covered with duct tape. Three implied constraints are that it has to fit through the door, it has to fit one person, and it has to be hydrodynamic.
3 . Sketch Ideas
:
4. Prototype Ideas:
5. Select an Approach: Our sketches were very round, but we thought it would touch to make a rounded bottom. With the prototype we weren't sure how we would secure a v-bottom so we decided to go with a flat bottom.
6. Build it:
7. The Earlier Bird gets the Achievement: We were the first team to finish our boat.
8. Videographer:
9. Feedback: I think we had a good general design with our canoe. I would have made the canoe thicker because our sides didn't hold up when we went in the water. I think the fact that the shape wasn't very hydrodynamic made the boat sink easier and go slower. We definitely could have improved it by layering all of the sides with some more cardboard to help keep it's shaper or even added a frame to help stabilize our canoe.
10. How low did you go?: Our canoe sat a few inches into the water. It was surprising how low it went because I thought it would have gone lower in the water. I think it had to do with the size of our boat and the shape. Density is determined my mass/volume. The pool is very big and the volume is low because of the closeness of particles in water. In our boat we had Ryan who weighs about 150lbs and the boat had more volume than the water so he was a few inches above the water.
11. Make Your Own Achievement: Cannonball!- After the races have one of your group members perform a cannonball into their canoe.
