How to do electric remote control boat to the props and steps

The Electric boatsship approach: 1. Looking for a photo do you like to ship
2. Use your space imagination ability to draw on the paper plane graph, the ship save details, only draw the main body.
3. According to the contour line, with scissors to split it again. See if like ships in the picture,
4. Try a few times more, find the most like ships in the picture plane graph.
5. Will this post at 0.3-0.5 mm thin sheet metal (aluminum skin can also, but bad welding), according to the contour line, with scissors to split, it will be the joint welded (paint again.
6. Cut into a small round iron fan 3 leaf shapes, each leaf in the same direction appropriate bending Angle, the middle hole, one root length right of bicycles in the vertical welding wire as a propeller and axis of rotation.
7. Looking for a piece of old rod antenna (also available nib ink), the interception of a (bicycle steel wire inserted in the free rotation) as a shaft sleeve.
8. Looking for a toy motor will be fixed in the cabin after welding on the stent position, and in accordance with the figure connect these parts assembled, after check the presence of water in the bathtub can formal trial.