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  • Publicado : 23 de enero de 2012
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I make these plans available free of charge, provided that you ONLY BUILD THIS MACHINE FOR YOURSELF and you do not gain any commercial revenue by building this machine or distributing these plans. Ifyou distribute the file, you are required to keep the file as-is without modifications and do not benefit from it commercially or otherwise; doing so is an infringement of copyright.

Highschoolstudents: you are encouraged to build this machine for a research project, but anything of this document that ends up in your report should be properly and clearly quoted and the source and copyrightnoted, to avoid plagiarism (using ideas or text of this document as being your own). Plagiarism is very serious and is usually treated as a copyright infringement (which it is, in fact). Also, Iprovide the plans as-is: you can build the machine, but it is up to you to do sensible experiments with it and decide whether the machine will be worth the money and time for the project. I do not have thetime nor do I have the machine at hand to help you make suggestions. If necessary, you may print out the entire document and attach it with your report as an appendix, to be turned in to the teacher;but then I require you to not distribute your report further than only to the teacher for evaluation.

I do not sell tornado generators; I have no time and am not in a situation for the comingyears that I can build these machines commercially. Maybe I will do this later on, by special request.

I am planning to put online the design of a bigger machine (7 ft high or 2 meters) but I cannottest the design now and there are some design flaws that I have to solve first. It may take until 2006 before I can put online that design. Meanwhile, you can experiment with this design, by scalingthe machine by some factor to make it bigger or smaller. Except for the need of a more or less powerful fan, this should be straightforward to do.

Please do not email me about trouble locating the...
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