The Association of Model Submariners.

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



Join the AMS - Registered Forum users can become members of the AMS and it's free ...... To join send an email with your name , address and phone number to amstreasure@googlemail.com


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

» openLRS and 2.4 Ghz and Submarines
And here's another nostalgic one.. EmptyThu Sep 17, 2020 11:21 am by david f

» Italian CB class from WW2
And here's another nostalgic one.. EmptySat Sep 12, 2020 10:30 am by david f

» Last event cancelled for 2020
And here's another nostalgic one.. EmptySat Sep 05, 2020 10:31 am by david f

» Simple telemetry system for openLRS (on 458Mhz)
And here's another nostalgic one.. EmptySat Aug 29, 2020 1:53 pm by david f

» John Lambert Plans
And here's another nostalgic one.. EmptyThu Aug 13, 2020 11:51 am by david f

» Piston Tank - Depth Control (Paper by Wolfgang Baumann & Helmut Huhn)
And here's another nostalgic one.. EmptyThu Aug 06, 2020 9:17 am by david f

» Krick Type Vll B Wiring and build photos
And here's another nostalgic one.. EmptyTue Jul 28, 2020 8:02 am by Deep Diver (Fred)

» New Gyro On The Market
And here's another nostalgic one.. EmptySat Jul 11, 2020 9:34 pm by timgarrod

» PIC and Arduino microprocessors
And here's another nostalgic one.. EmptyThu Jul 09, 2020 10:59 pm by timgarrod

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Our users have posted a total of 11162 messages in 1829 subjects

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    And here's another nostalgic one..

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    Tom(ADMIN)
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    Post  Tom(ADMIN) on Mon Mar 05, 2012 1:44 pm

    Anyone know what this is? Or what it does?

    And here's another nostalgic one.. Dsc00015

    And here's another nostalgic one.. Dsc00016

    And here's another nostalgic one.. Dsc00017
    profesorul
    profesorul
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    Post  profesorul on Mon Mar 05, 2012 1:50 pm

    Where did you find all these stuff?!.
    MARIUS
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    Tom(ADMIN)
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    Post  Tom(ADMIN) on Mon Mar 05, 2012 1:52 pm

    Ah, Marius...I've been building model boats for over forty years now, I have loads of stuff like this. Maybe I should start a museum?
    profesorul
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    Post  profesorul on Mon Mar 05, 2012 2:17 pm

    SEROUSLY is NOT a Bad Ideea!.
    MARIUS
    david f
    david f
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    Post  david f on Mon Mar 05, 2012 3:18 pm

    Now that looks like a speed controller!

    Paralleled up MOSFETs (to get a low resistance) and a nifty heat sink are likely clues?

    David
    Hermann
    Hermann
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    Post  Hermann on Mon Mar 05, 2012 6:11 pm

    Yes David,

    this is a speed controller. And furthermore - about 20 years ago I built a similar one of own design, also with relays for reversing and also with paralleled MOSFETs (it still works...).

    Never think bad of older devices - although they need more space in general they can be repaired more easyly and th electronic components for repair are less affected from obsolescence than modern highly specialised parts.

    Best regards
    Hermann
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    Tom(ADMIN)
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    Post  Tom(ADMIN) on Mon Mar 05, 2012 6:50 pm

    Well...here's something I didn't expect. Speedmaster seem to be still in business and still making esc's...I'll make a couple of phone calls tomorrow I think!

    http://www.speedmaster.co.uk/
    profesorul
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    Post  profesorul on Mon Mar 05, 2012 7:25 pm

    HI,
    Can someone restore the wiring diagram of that assembly?(maybe there is someone ho can do that) and a list with components?.
    Because I think it can be used again with success.
    If the components are cheap and can still be found someone who has knowledge in electronics assembly can recover the device.
    MARIUS
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    Tom(ADMIN)
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    Post  Tom(ADMIN) on Mon Mar 05, 2012 7:32 pm

    The man to ask that question to would be Hermann, I think...
    thegrimreaper
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    Post  thegrimreaper on Tue Mar 13, 2012 11:15 am

    Well Richard all I can say is I haven`t ever seen one of those before probably because I ain`t that old ha ha sorry couldn`t resist looking at your other link for old radios as well good god man the earliest radio I can remember is a two channel futaba
    Deep Diver (Fred)
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    Post  Deep Diver (Fred) on Wed Mar 14, 2012 9:24 am

    Give Alf a call.

      Current date/time is Mon Sep 21, 2020 9:23 am