Project Details

Development of an Android Controlled Amphibious Vehicle (hovercraft)
Posted 3 weeks ago








The hovercraft or an air cushion vehicle is the newest vehicle in today’s means of transportation and other various scenes including recreational. As well as being new, this vehicle is different from other more conventional, terrestrial vehicles in that it requires no surface contact for traction and it is able to move freely over a variety of surfaces while supported continuously on a self-generated cushion of air. This thesis studies the design characteristics and working principles of the hovercraft, using standard calculations to determine the lift forces required.

The thrust forces required are greatly reduced due to the reduction in frictional forces, both static and dynamic. This android-controlled amphibious vehicle uses high-rpm motors interfaced with an AVR family microcontroller to achieve the desired functionality. The motor below the hovercraft rotates at a very high RPM that allows it to generate a force enough to make it hover on the surface thus reducing the friction below it to a minimum. The processing unit (the AVR family microcontroller) of this craft is an Arduino Uno with a connection through Bluetooth using an android application as the controller.


A hovercraft also known as an “Air Cushion Vehicle” (ACV) is a non-wheeled vehicle that can hover over land as well as water. Due to its aerodynamic design, it can move over any terrain easily using high-powered fans (propellers). Hovercraft can easily make the transition from land to water, reaching areas other vehicles cannot access in any direction. It is good to know that there are various ways of creating air cushions and reducing leakage. In a hovercraft, this cushion of air is maintained by pumping in a steady air supply to keep pace with the linkage around the sides. When the fan rotates, the air pressure is pushed inside the skirt to create lifting and the hovercraft hovers with almost no friction. A well-designed hovercraft has much better performance than a normal boat because it has less drag and requires less horsepower to move. This condition results in higher speed and less fuel consumption. By using the concept and equation of Bernoulli, the volumetric flow rate of the hovercraft fan can be obtained (Mantle, David, and Taylor, 2010). 


The hovercraft principle has been demonstrated using low-cost material and has proved capable as a viable means of transport on both land and water after a series of tests. The propulsion and lifting systems gave an excellent performance. Hovercrafts are generally simple mechanisms in theory. Yet the process from theory to manifestation is not as easy as it may seem. A plethora of problems exist and must be solved in order to attain a well-functioning hovercraft. The plans and designs must be flawless. One must take into consideration the weight and shape of the hovercraft in order to avoid problems such as instability and dysfunction. One thing is certain; when building a hovercraft, one is well aware of the demands of construction.

This is a marvelous machine, which greatly cuts down the friction, and in turn, helps it to attain greater speed and more stability. The design can be adapted to a multitude of fast, military, over-water vehicles of any size capable of traveling over any terrain.

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