Waterfall
The idea here is to capitalise on gravity combined with the weight and fluid nature of water to direct the energy to a point where it can do the most work against a turbine.
While this stream (we have 3) has the most variable flow it offers the greatest drop (highest head) over the shortest distance and is well situated near the house and power systems.
Water enters our section of the gully by passing through a culvert under the road at our boundary before traveling perhaps 80 metres, cascading over the rocky waterfall and joining up with the main stream in the bottom of the valley.
 | 10 October 2009 This is still a considerable flow when it reaches the waterfall. Need to devise a technique for measuring volume more accurately. |
 | 18 October 2009 Water surging out of the culvert where it enters the gully at such a rate that the opening of the culvert (indicated in red) is almost invisible. |
| 11 November 2009 I now have a 40mm pipe diverting water from the top of the falls to the bottom. Not sure exactly what the head is but first measurements done today show the pipe delivering 133 litres per minutes with capacity for more (perhaps running at 90%). |