minicar: I want to do a science project on water energy therefore I'd like to build a small house that's electricity is ran by water. How can i do this? And how can i convert the energy rate of a mini house to that of an average house? -Thank YouHow can i make a mini house totally ran by water?Other than it not being practical for much of the earth, as a novelty you can start with a water wheel driven generator, a permanent magnet motor will generate electricity for your model if spun fast enough. For scaling it up- you need to figure water volume and velocities for driving a 2 kilowatt to 4 kilowatt generator to supply an average US household year round. LED lighting gets you around the need for stepping the voltage up very high if at all. For some ideas, look through the books Lindsay publishing has to offer, http://www.lindsaybks.comHow can i make a mini house totally ran by water?You could find some way to build a water wheel.. For converting the energy rate, the best way would probably to get your mini house as proportional to a normal house as possible then multiply the energy rate by the proportionality factor.How can i make a mini house totally ran by water?yes, however it will take some really strong engineering. Have you ever seen the old movie swiss family robinsons? they live in a tree house that runs on water|||You sure won't find the answer here. Google it.