Como fazer uma bomba de agua economica e facil, sem impressora 3d.

Materials:

-RC engine

-2 PET bottle caps (equal)

-1 CD or DVD cover

-1 straw

-Hot glue

-Soldering iron

-Estelete

How to do it?

1-First, use a soldering iron to make a hole the size of the engine pipe in one of the caps.

2-Then take the CD or DVD cover and cut it into rectangles measuring 1cm x 0.5mm.

3-Now fit the cover with a hole in the engine.

4-Then with hot glue, glue the rectangles to the engine barrel.

5-Now place the second cover on top of the one already on the engine and glue it with hot glue.

6-Take the soldering iron and make a hole in the middle of the 2 caps the size of a straw.

7-Take the straw and place it in the hole you just made and glue it with hot glue.

8- Now drill 3 holes in the top lid.