(may be broke/outdated!)
These boatlets are propelled by magnetohydrodynamics (MHD). We used ten 0.34T neodymium magnets, two 9 V batteries, salt water at 10% salinity, two folded Aluminium foil electrodes and a 15 x 18 mm plastic channel. These vessels were built by two physics undergraduates for their First Year Project at Imperial College London in 2009.
Video Rating: 4 / 5
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5 Responses
see Closed Loop Propulsion from Amazon or Google Approach Concepts
yeahh!! me gusta :D
this video is exactly like mhdphilandjulias video lol
i am trying to make one of these and theirs seems to be the first but yours moves slightly faster since it seems to be lighter than theirs
You should see my 12-year-old’s MHD project. We helped him construct a thruster using a 300-amp isolated transformer and placed an elevator resistor in the circuit. It pushes a saline solution through half-inch tubing and really zings! He is testing force changes resulting from temperature changes…The variations are noticeable and measurable by timing the loop action.
nice !