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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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    Piston ballest tanks - seals used

    itolond
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    itolond
    Guest

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

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

    Post  itolond on 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
    AMS Treasurer

    Posts : 2115
    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 on 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
    AMS Chairman

    Posts : 1107
    Join date : 2010-11-06
    Age : 66
    Location : Braintree, Essex
    • Post n°3

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

    Post  nigele(ADMIN)2 on 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
    AMS Treasurer

    Posts : 2115
    Join date : 2010-11-10
    Age : 70
    Location : Cumbria
    • Post n°4

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

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

    And they have a useful website. Thanks Nigel.

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