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*2021 AND SOME EVENTS ARE BEING PROPOSED. Keep them coming and let us know the details! (amstreasure@googlemail.com)

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Model Sub Weekend, 28th, 29th August. Bluewater Parkway, Greenhithe, DA9 9

Bournville Sub Day. Sept 2021 is looking likely. More details TBA.

Barrow in Furness Regatta and Sub day. Maybe in Sept 2021. Details TBA.

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UHF radio control for submarines (openLRS, LoRa, FSK etc. on 458Mhz and 433Mhz )
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    Tom(ADMIN)
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    Tom(ADMIN)
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    • Post n°1

    Simple on/off switcher Empty Simple on/off switcher

    Post  Tom(ADMIN) Sat Mar 09, 2013 4:22 pm

    You can't beat simplicity for ballast tank control (with apologies to David F, JR, Nigel, etc)

    This is the basic wiring diagram using two microswitches for flood/blow of a ballast pump.


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    david f
    david f
    david f
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    • Post n°2

    Simple on/off switcher Empty Re: Simple on/off switcher

    Post  david f Mon Mar 11, 2013 8:41 am

    No need to apolgise, Richard - it does the business!

    (I still use microswitches on my proportional piston tank to ask as limit switches. They are very reliablle. Just use a generously rated microswitch if you are switching the motor directly.)

    David
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    Lash151
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    • Post n°3

    Simple on/off switcher Empty Re: Simple on/off switcher

    Post  Lash151 Tue Mar 12, 2013 4:06 pm

    Hi David...
    Do you have a wiring diagram of micro switches as travel limiters on a piston tank?
    Thanks Lee
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    david f
    david f
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    • Post n°4

    Simple on/off switcher Empty Re: Simple on/off switcher

    Post  david f Wed Mar 13, 2013 8:28 am

    Sorry I don't have a diagram.
    It is all in Norbert Bruggens book, Model Submarine Technology (A must have,I would say.)

    You put 2 microswitches in with diodes in parallel. (The switch cuts off the motor and the diode allows it to reverse.)

    David
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