The story goes that I have a need at work for a pump system to run an irrigation sprinkler or two. What I am trying to do is to find a cheap way to get rid of waste water in a pit. The temps are warm here. It is already 20C through the day May 1 here with a nearly constant breeze. I know from experience that the mid day temps will go up another 15 degrees or over the next 4 months. It is quite normal to get 90 - 120 days of straight sun, so the humidity will drop from 80% it is now to about 25% later in the season. The combination of high temperatures, near constant breeze, moderate humidity, and ample sunshine seem ideal for evaporation.
Theoretically, I should be able to power a 12V 3 or 4 amp pump from a 100W solar panel. Best would be if I could eliminate a battery. This seems ideal, the pump would run when the sun was shining and stop at night when the sun went down. The system would be very portable. hang the panel on the fence, run the wires, and drop the pump/sprinkler in the pit and walk away.... Is this feasible? I have been looking at panels and small 12 or 24 V submersible bilge pumps. I can find sprinklers at the local garden center. Some even give a decent spray pattern with no moving parts, and few restrictions to get clogged with goop.
Edited by camdigger (05/05/15 01:44 AM)