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06 January 2013

My Lifter


This short post is about an old experience that I did with a Lifter.
The Lifter is the dream of any electrical engineer. It is a device that can flight but without any mechanical moving parts...!

Basically is a capacitor where we apply high voltage. One of the conductors is a large aluminum sheet, the other conductor is a wire and the dielectric is the air (see picture below).


There are a lot of theories to explain why the device can flight. Some of them describe it as an anti-gravity behavior.
Personally I believe that is related with the air ionization that creates a king of "wind". The device starts to flight when you can listen the noise of the air ionization. You can see also the effect of this wind if you put a small paper sheet below the lifter (it moves like a flag).

Below you have some photos and a video that I put on youtube.










I built my lifter based in the instructions that I found in the following site (in French): http://lifters.online.fr/lifters/index.htm

However I have used my own design for the power supply (with an IGBT transistor and overcurrent protection).


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