My understanding may be wrong, but I’m fairly sure I’ve seen water pumps moving up and down or back and forth. Wouldn’t that produce little bursts of water? How does it get so smooth and consistent?
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Many pumps do move water in pulses, but the pulses get smoothed out by a reservoir system between the pump and the stream. Homes have a pressure tank and towns have water towers. Even hand pumps can have a small reservoir that the piston fills. If the outflow nozzle is smaller than the piston, the reservoir fills and supplies the flow in the pumping gaps. It just needs a pump that can supply water faster than the flow rate.
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