Friday, June 3, 2016

Battery Powered Submarine Educational Science Toy

The book is available in google play and google books:

Ebook is available for purchase in the Amazon Kindle Store in some countries, with title as below:
"How To Make Science Toys Ship & Submarine: Made Of Household Materials, Battery Powered"

This science toy submarine is driven by an electric DC motor and powered by 1x (one) AAA size battery. Submarine body is made off drinking straw, polystyrene, rubber bands, and colored plastic sheet.

Although it is made of household material, with a certain design this submarine educational toy can be set to float, hover in water, or dive to the bottom of swimming pool. The setting is done with no replacement of any component. This submarine can achieve speed 56 centimeter per second or about 1.8 foot per second.

The following video shows the submarine is hovering very close to water surface, sometime it reaches water surface, or floats.

To set submarine floating on the water surface is fairly easy, making it sink is the easiest. But it is not easy to make the submarine hovering in the water. With this science toy, we can set it to hover in the water.

Both of the following videos are featuring the submarine hovers in the water, about 20-50 cm below the water surface.

The video below shows the submarine set to dive to the bottom of swimming pool.

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