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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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» openLRS and 2.4 Ghz and Submarines
Control rod seals.. EmptyTue Sep 22, 2020 9:52 am by david f

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Control rod seals.. EmptySat Sep 12, 2020 10:30 am by david f

» Last event cancelled for 2020
Control rod seals.. EmptySat Sep 05, 2020 10:31 am by david f

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

» John Lambert Plans
Control rod seals.. EmptyThu Aug 13, 2020 11:51 am by david f

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

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

» New Gyro On The Market
Control rod seals.. EmptySat Jul 11, 2020 9:34 pm by timgarrod

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    Control rod seals..

    Tom(ADMIN)
    avatar
    Tom(ADMIN)
    AMS Forum Owner

    Posts : 2999
    Join date : 2010-11-05
    Age : 60
    Location : Nevada, USA
    • Post n°1

    Control rod seals.. Empty Control rod seals..

    Post  Tom(ADMIN) on Fri Oct 04, 2013 12:20 pm

    This is the original Darnell design for sealing the control rods as they go through the radio box wall...it works, I've used it more than once, but is there a better, more up to date way of doing it on a cylinder? Or do I stick with the old school method?

    Control rod seals.. Bellow10
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    Deep Diver (Fred)
    Deep Diver (Fred)
    Deep Diver (Fred)
    AMS member

    Posts : 258
    Join date : 2010-11-07
    Age : 72
    Location : Peacehaven East Sussex
    • Post n°2

    Control rod seals.. Empty Re: Control rod seals..

    Post  Deep Diver (Fred) on Sat Oct 05, 2013 9:49 am

    The Great Man had some brass rod drilled and a thread cut on to one end, this was so that he could then screw it in to the bulk head with an "O" ring making the seal, the rubber bellows were then placed onto the other end.

    He used this on his type 7 and it worked very well.
    Fred
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    Deep Diver (Fred)
    Deep Diver (Fred)
    Deep Diver (Fred)
    AMS member

    Posts : 258
    Join date : 2010-11-07
    Age : 72
    Location : Peacehaven East Sussex
    • Post n°3

    Control rod seals.. Empty Re: Control rod seals..

    Post  Deep Diver (Fred) on Sat Oct 05, 2013 9:56 am

    Sorry should had said that it was a hexagon brass rod that he used, this was so that he could then use a small spanner to screw it into the bulk head.

    Fred
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    Tom(ADMIN)
    avatar
    Tom(ADMIN)
    AMS Forum Owner

    Posts : 2999
    Join date : 2010-11-05
    Age : 60
    Location : Nevada, USA
    • Post n°4

    Control rod seals.. Empty Re: Control rod seals..

    Post  Tom(ADMIN) on Sat Oct 05, 2013 10:23 am

    Blimey, I remember that...that goes back a few years. Cheers Fred, I'll look into that.
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