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    Water system for fire monitors and ECS
    I have laid out all the various components on a building board, not necessarily in the correct orientation/position. The only thing I do know is that water needs to come out of the 4 pipes pointing into the tin. I have a caravan pump serving as a water scoop (to simulate the water pickup as the boat moves forward) any water going through the system into the tin is piped back into the container under the bench where the pump is. First thoughts are similar to others in that when the fire monitors are operated the water is drawn back through the exhaust pipes and sucks air. To try and solve this I have put some small solenoid valves in the circuit. But first test show that they restrict the flow too much so a larger valve? Or I think the easiest solution would be to put another entry opening in the hull somewhere near the pump just below the water line on the side mid-ship so the pump can be connected directly and be primed when the boat is at a standstill (anybody see problems with this?) I think the only issue I can see is that when the boats in motion it may force water through the pump – then the monitor result – drip, drip. I think a properly designed inlet, that when in motion the tendency is to draw the air out of the system and not force water in until the boat is at a standstill when the water should just flow in. I have designed another outlet (not shown) for the exit of the cooling water and hopefully the smoke which has the water coming out of the
    centre 6mm pipe
    and the smoke exits through the surrounding space between the 6mm pipe and the 8mm surrounding hole. (Ignore the black pump, top right, it was a first attempt at a water supply, it’s a car washer pump, but not powerful enough)
    10 months ago by mturpin013

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