Gutter Power

Laying in bed last night listening to the rain i got an idea.  Why not harnass the hydropower of the roof runoff?  Install a small water wheel and a generator in each downspout.  

Now in search of an appropriate generator and water wheel ...

Upadte 12/06/2007  First real lead is Water Power project and the Forcefield forum of otherpower.com from which i get the calculation of energy ...
source: by richhagen
The potential energy in stored water is M*g*h where M is the mass, g is the acceleration of gravity, approximately 9.8 m/s^2, and h is the height.  If one used Kg for the mass, and meters for the height, then the result of multiplying out the equation will be in Kg*m^2/s^2 which is the definition of Joules, a unit of energy.  A Watt is equivelant to one Joule per second.  One KWH is equal to 3,600,000 Joules. 
...



Tags

  1. alternative energy
  2. gw action
  3. power generation
  4. gw project

Comments


Seth says
M 2007-12-03 11:29:44 8706
It might be a local situation you are addressing - it rarely rains in Denver area - we depend mostlyh on snow in the mountains.
Yep, obviously a local solution, if it is a solution at all and not just coneptual art.  Seems to me that with a slow drizzel and lots of downspouts from the roof you will loose most of the hydropower to surface tension as the water drips down the spout.  On the other hand one could rout all of the drains to a single spout, perhaps with a reservoir  ... even then i doubt that you would get more than a watt or two  every time it rained.  The thing to do is to combine it with the solar panels on the roof going into a battery.  Perhaps rewire the inside lighting to use DC. In which case you would prolly save money. 

Si says

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