The Hydraulic Ram may not always be what some people think it is. A hydraulic ram is a free / low-cost method of pumping water from where it is to where you want it. The hydraulic ram is a pump that uses flowing water / water under pressure / a head of water as its energy source. This thing is sometimes also called a hydraulic ram pump.
A hydraulic ram can be made to work with the moving water in a stream / tidal flows / wave pressure, just as well as with any other moving water, or as in the diagram a head of water. The hydraulic ram uses water pressure to pump water.
The major uses for a hydraulic ram pump are to irrigate gardens or to pump fresh / potable water to your green home. One could buy a hydraulic ram off the shelf, or you build your own using some basic components and a lot of engineering ingenuity. Personally, I wouldn’t use plastic components except for the delivery and output pipes.
The hydraulic ram pump has a number of benefits;
- no electrical works
- no need for a petrol / gas / diesel engine
- low noise
One can build a ram pump which uses a different water source for power than the water being pumped. So we can use the sea to power a pump which is delivering fresh water from a spring. However, in this case a better alternative may be a turbine or waterwheel powered pump.