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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Latest topics

» openLRS and 2.4 Ghz and Submarines
Operating grab arm... EmptyTue Sep 22, 2020 9:52 am by david f

» Italian CB class from WW2
Operating grab arm... EmptySat Sep 12, 2020 10:30 am by david f

» Last event cancelled for 2020
Operating grab arm... EmptySat Sep 05, 2020 10:31 am by david f

» Simple telemetry system for openLRS (on 458Mhz)
Operating grab arm... EmptySat Aug 29, 2020 1:53 pm by david f

» John Lambert Plans
Operating grab arm... EmptyThu Aug 13, 2020 11:51 am by david f

» Piston Tank - Depth Control (Paper by Wolfgang Baumann & Helmut Huhn)
Operating grab arm... EmptyThu Aug 06, 2020 9:17 am by david f

» Krick Type Vll B Wiring and build photos
Operating grab arm... EmptyTue Jul 28, 2020 8:02 am by Deep Diver (Fred)

» New Gyro On The Market
Operating grab arm... EmptySat Jul 11, 2020 9:34 pm by timgarrod

» PIC and Arduino microprocessors
Operating grab arm... EmptyThu Jul 09, 2020 10:59 pm by timgarrod

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The newest registered user is vmax1701a

    Operating grab arm...

    avatar
    Tom(ADMIN)
    AMS Forum Owner

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

    Operating grab arm... Empty Operating grab arm...

    Post  Tom(ADMIN) on Sun Nov 07, 2010 6:38 pm

    I want to fit an operational grab arm on my Thunder Tiger Neptune with the idea of dropping a metallic item into the water, and then with the floodlamps switched on and the video camera recording every move, to submerge and pick up the item.

    I've come up with a rough drawing, but having never attempted anything like this before, I'd welcome some comments or criticisms, or even any ideas as to if it will work or not.

    This is what I've come up with...


    Operating grab arm... Grab_a10

    What do you think, guys? The servo should push the rod out to the horizontal and then with a bit a careful steering I want to be able to pick up the metallic item with the magnet.
    Subwarrier
    Subwarrier
    Guest

    Posts : 6
    Join date : 2010-11-15

    Operating grab arm... Empty Re: Operating grab arm...

    Post  Subwarrier on Mon Nov 15, 2010 6:47 pm

    Why limit yourself to only one arm, get a pair like the full sized mini subs
    avatar
    Tom(ADMIN)
    AMS Forum Owner

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

    Operating grab arm... Empty Re: Operating grab arm...

    Post  Tom(ADMIN) on Mon Nov 15, 2010 6:53 pm

    I'll get one going first, then maybe think about another...maybe one forward mounted and another side mounted.
    Giovanni LiCalsi
    Giovanni LiCalsi
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    Posts : 170
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    Age : 70
    Location : Alameda, California, USA

    Operating grab arm... Empty Re: Operating grab arm...

    Post  Giovanni LiCalsi on Tue Nov 16, 2010 9:31 am

    Take a look at Firgelli linear servos.
    http://www.firgelli.com/
    Giovanni
    avatar
    Tom(ADMIN)
    AMS Forum Owner

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

    Operating grab arm... Empty Re: Operating grab arm...

    Post  Tom(ADMIN) on Tue Nov 16, 2010 9:38 am

    Very interesting, Giovanni...many thanks for that.




    Richard(ADMIN)

      Current date/time is Sat Sep 26, 2020 1:43 pm