Hybrid water pump
A reliable, affordable and economically water pump which is driven by 3 different energy sources.

Solution

This pump is powered by wind, solar and muscle power. So it will pump water in nearly all situations.
The pump is designed to be transportable and simple in it's construction (see pictures). Furthermore is is easy to repair because there are no complicated electronics used. On the bike is also enough place for a water tank to make the transport of the water easier.

In fact this concept is a very great alternative for the disel poweered pumpd which are used nowadays.