Hydraulic Ram pump

In areas where natural flows exist, Hydraulic Ram pumps (ram pumps) can be used to transport water to higher grounds without using electricity or fuel, by using the energy in the speed of the flow to pump a portion of the water up to a much higher level.

Principle of a Hydraulic Ram pump.

Hydraulic Ram pumps

Advantages	Disadvantages
Uses renewable energy sources. if properly designed, can be locally produced an maintained	water falling over a certain heigh is needed

Contents

Movie

• Ram pump [1]

External links

• [explanation on wikipedia]
• [cost self made pump]
• [low tech pump design]