2 ms·
Well, I suppose you mean: with the only moving part being the water itself. A hydraulic ram can move water uphill easily without any external power, electricity
by kevhito 8y ago
Well, I suppose you mean: with the only moving part being the water itself. A hydraulic ram can move water uphill easily without any external power, electricity, etc., using basically only simple valves. If I could build a hydraulic ram of ice, does that count?