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Testing the watermaker circuit

Discussion in 'Electronic Design' started by Glenn Ashmore, Feb 24, 2004.

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  1. OK, with everyone's help (including Fred's have the watermaker control
    doing what it is supposed to do (At least in breadboard form) and am
    trying to test it out in a simulated "real life" environment. This is
    not easy to set up as I had to hook the garden hose to the diesel raw
    water intake and haul everything down to the boat. I need suggestions
    on what to else to test before I break it down.

    What I have tested so far: I am figuring that the major noise producers
    are the alternator, inverter, microwave oven, VHF & SSB. I hooked up
    the breadboard to the main breaker panel, pump clutch and boost pump and
    stretched out the remote station cables along the alternator cables.
    Then I cranked up the engine, turned on the microwave, added enough load
    to get the alternator putting out 180 amps and tried all the circuit
    functions. The only thing I noticed was that the remote pressure
    display bounced around by a few mV but not enough to worry about. Next
    I transmitted 25 watts on the VHF directly over the breadboard with no
    detectable effect. Finally I moved the remote station cables parallel
    to the SSB coax, switched to CW mode and blasted 150 watts into a dummy
    load.

    What else should I try before bringing it all back to the house?

    --
    Glenn Ashmore

    I'm building a 45' cutter in strip/composite. Watch my progress (or lack
    there of) at: http://www.rutuonline.com
    Shameless Commercial Division: http://www.spade-anchor-us.com
     
  2. John Fields

    John Fields Guest

     
  3. John Fields wrote:


    Hmmm, probably right. I guess I will have to drape some wire along the
    shed roof. Without the mast I can't test the actual backstay antenna
    configuration.

    --
    Glenn Ashmore

    I'm building a 45' cutter in strip/composite. Watch my progress (or lack
    there of) at: http://www.rutuonline.com
    Shameless Commercial Division: http://www.spade-anchor-us.com
     
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