The Association of Model Submariners.

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* THE FORUM FOR ALL THOSE INTERESTED IN BUILDING AND OPERATING MODEL SUBMARINES *



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For further details of any events shown here also see the "Shows and Events" section on the forum

*STOP PRESS* Coronavirus. A lot of Clubs have already cancelled all activities. Check carefully before you plan any travel

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CANCELLED because of coronavirus. Papplewick Pumping Station, Nottingham, Sunday 12th & Monday 13th April
CANCELLED because of coronavirus. Bournville Sub Day, Sunday 10th May 2020

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(CANCELLED) Submarine, Boating & Sailing Weekend, Norwich MBC, Weekend of 25,26th July

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Model Boat Convention, Haydock Park (Cancelled this year)

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CANCELLED. Bournville Sub Day, Sunday 13th September

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(CANCELLED) Club Submarine Regatta, Furness MBC, Barrow in Furness, Sunday 20th Sept 2020

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Most users ever online was 180 on Tue Nov 05, 2019 6:03 am

Latest topics

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piezo transducer for under water EmptyYesterday at 9:52 am by david f

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piezo transducer for under water EmptySat Sep 12, 2020 10:30 am by david f

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piezo transducer for under water EmptySat Sep 05, 2020 10:31 am by david f

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piezo transducer for under water EmptySat Aug 29, 2020 1:53 pm by david f

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piezo transducer for under water EmptyThu Aug 13, 2020 11:51 am by david f

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    piezo transducer for under water

    johnrobinson
    johnrobinson
    Guest

    Posts : 97
    Join date : 2011-06-10

    piezo transducer for under water Empty piezo transducer for under water

    Post  johnrobinson on Sun Jul 17, 2011 4:54 pm

    HI to every one
    Over the last few months i have been playing about with low frequency for under water RF link to control submarine, a few days ago i decided what about if all of this was joined to a piezo transducer yes it can be done, the transducer in the water if it is held half inch under the surface it starts to make a whirlpool standing out the water about 2inches high and you can see the code on the top of the whirlpool hopefully when i get a bit more time i will take it a bit further and see where it goes if you touch this whirlpool it feels like it starts to burn your finger, i no what you are going to say dont touch it then, but at the moment the unit is running on low power but i will hit it with more power and see if i can start a hot tub for the misses but i don't think she will like the RF burns.
    john
    david f
    david f
    AMS Treasurer

    Posts : 2115
    Join date : 2010-11-10
    Age : 70
    Location : Cumbria

    piezo transducer for under water Empty Re: piezo transducer for under water

    Post  david f on Mon Jul 18, 2011 7:45 am

    Very good news but I'm now worried about fish stocks!

    Actually good news of an interesting development.
    avatar
    Tom(ADMIN)
    AMS Forum Owner

    Posts : 2999
    Join date : 2010-11-05
    Age : 60
    Location : Nevada, USA

    piezo transducer for under water Empty Re: piezo transducer for under water

    Post  Tom(ADMIN) on Mon Jul 18, 2011 9:53 am

    I'll inform the water authorities....
    johnrobinson
    johnrobinson
    Guest

    Posts : 97
    Join date : 2011-06-10

    piezo transducer for under water Empty piezo transducer

    Post  johnrobinson on Mon Jul 18, 2011 7:01 pm

    HI Richard
    Pauline said Now don't be mardy and through your dummy out your pram
    john
    avatar
    Tom(ADMIN)
    AMS Forum Owner

    Posts : 2999
    Join date : 2010-11-05
    Age : 60
    Location : Nevada, USA

    piezo transducer for under water Empty Re: piezo transducer for under water

    Post  Tom(ADMIN) on Mon Jul 18, 2011 7:05 pm

    Don't you start on me, she would'nt say things like that about me...

    Oh, put your bit on Mayhem for you...on your head be it!
    avatar
    smarsuki
    Guest

    Posts : 3
    Join date : 2012-03-17

    piezo transducer for under water Empty Re: piezo transducer for under water

    Post  smarsuki on Sat Mar 17, 2012 4:52 am

    John if I remember rightly you nearly demolished a lock on the cut testing those Torpedo's

      Current date/time is Wed Sep 23, 2020 12:19 am