Electricity Science Fair Project
Use electromagnetic forces in a coil to propel a projectile


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Project Information
Title: Use electromagnetic forces in a coil to propel a projectile (electromagnetic linear accelerator).
Subject: Electricity
Grade level: High School - Grades 10-12
Academic Level: Ordinary
Project Type: Building Type
Cost: Low
Awards: 2nd place, Canada Wide Virtual Science Fair (2005)
Affiliation: Canada Wide Virtual Science Fair (VSF)
Year: 2005
Description: In this project, the goal was to construct a device that would directly utilize the magnetic forces produced by current-carrying coils to propel a projectile. This device would have no moving parts, and would be plugged into a standard 110 V wall outlet. The electricity from the wall would be converted into a signal suitable for powering the accelerator, by a separate power supply unit.The power then will be directed into the accelerator, and this will cause a projectile to be launched on a linear path.
Link: www.virtualsciencefair.org...
Background

A coilgun is a type of synchronous linear electric motor which is used as a projectile accelerator that consists of one or more electromagnetic coils. These are used to accelerate a magnetic projectile to high velocity. The name Gauss gun is sometimes used for such devices in reference to Carl Friedrich Gauss, who formulated mathematical descriptions of the electromagnetic effect used by magnetic accelerators.

Coilguns consist of one or more coils arranged along the barrel that are switched in sequence so as to ensure that the projectile is accelerated quickly along the barrel via magnetic forces. Coilguns are distinct from railguns, which pass a large current through the projectile or sabot via sliding contacts.

Electromagnetic projectile devices which use electromagnetic means to accelerate solid materials, such as Kinetic energy weaponry, Gauss guns, Mass drivers or Railguns are often used in fiction, especially science fiction.

For More Information: Coilgun

Source: Wikipedia (All text is available under the terms of the Creative Commons Attribution-ShareAlike License)

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