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



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*2021 AND SOME EVENTS ARE BEING PROPOSED. Keep them coming and let us know the details!

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(CANCELLED in 2020) Submarine, Boating & Sailing Weekend, Norwich MBC, Weekend of 25,26th July

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

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

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    Piston ballest tanks - seals used

    itolond
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    itolond
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    Posts : 1
    Join date : 2015-03-19
    • Post n°1

    Piston ballest tanks - seals used Empty Piston ballest tanks - seals used

    Post  itolond Thu Mar 19, 2015 1:20 pm

    Hi Forum,

    i am seeking a supplier of good linear piston seals - i know i can use o-rings but prefer to use something purpose built
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    david f
    david f
    david f
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    Posts : 2156
    Join date : 2010-11-10
    Age : 70
    Location : Cumbria
    • Post n°2

    Piston ballest tanks - seals used Empty Re: Piston ballest tanks - seals used

    Post  david f Sat Mar 21, 2015 10:02 am

    I have only used O rings in piston tanks. (Largely because of the cost, supply problem with anything else.) (They also work!)

    All I can suggest is falling back on Norbert's "Model submarine technology" book. He mentions Airzet seals.

    If you can come up with some brand names someone may be able to help with a specialist supplier (and please let the Forum know.)

    Simply Bearings are very good for O rings and shaft (oil) seals.

    David
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    nigele(ADMIN)2
    nigele(ADMIN)2
    nigele(ADMIN)2
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    • Post n°3

    Piston ballest tanks - seals used Empty Re: Piston ballest tanks - seals used

    Post  nigele(ADMIN)2 Sat Mar 21, 2015 11:43 am

    Try,
    Rhondama ltd,
    Windmill industrial estate,Loughborough.
    01509218149.

    If they don't have what you want they can usually make them.
    Nigel.
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    david f
    david f
    david f
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    • Post n°4

    Piston ballest tanks - seals used Empty Re: Piston ballest tanks - seals used

    Post  david f Mon Mar 23, 2015 6:32 pm

    And they have a useful website. Thanks Nigel.

    http://www.rhondamaseals.co.uk/
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