Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

EM drive model

by ForgeMonkey, published

EM drive model by ForgeMonkey May 20, 2015
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EM drive model by ForgeMonkey is licensed under the Creative Commons - Attribution license.

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1056Views 488Downloads Found in Engineering


The EM drive (http://www.nasaspaceflight.com/2015/04/evaluating-nasas-futuristic-em-drive/), either the most exiting physics of a generation, or a measurement error.

Either way, the one thing most people agree on is the need for more testing. At the moment the design here presented is only useful for making interesting 3D printed models, it still needs work to turn it into a useful design that could be built for testing.

On that note: If you build your own EM drive from these files you do so ENTIRELY at your own risk. If you fry your nervous system with a converted Microwave oven it's your fault, and nothing to do with me.


The design is full-sized, so it'll need to be scaled down to fit on most printbeds. The full size design would require 60 M5 bolts to assemble, so scaling the files by a factor of 3/5 would allow the use of M3 bolts instead.

The full design uses 2mm think copper sheeting for the main body and 5mm copper for the end plates.

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ForgeMonkey, love the idea of this model, great job. Perhaps you could also add the electrical component models to the sides as well to add some complexity to the model. Also add the mechanical structures used with this IE: the secondary drum in front of the main cone and other various linkages. Looking forward to what changes you make with this. Thanks!

More useless post ... This thing should not be up here ... ;-(