To cause a short you would need to be able to get inside the motor and nowdays you can buy fully sealed IP68 brushless motors (or even IP69K at a higher cost) f

To cause a short you would need to be able to get inside the motor and nowdays you can buy fully sealed IP68 brushless motors (or even IP69K at a higher cost) for your attack drones. Just as a side note, as long as your elemental carbon nanoparticles are larger than 10PM (most recommend 2.5PM) they are not considered damaging to health by the WHO [1]. [1] http://www.euro.who.int/__data/assets/pdf_file/0004/162535/e96541.pdf http://www.euro.who.int/__data/assets/pdf_file/0004/162535/e...