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
Small Inflatable Bag EmptyTue Sep 22, 2020 9:52 am by david f

» Italian CB class from WW2
Small Inflatable Bag EmptySat Sep 12, 2020 10:30 am by david f

» Last event cancelled for 2020
Small Inflatable Bag EmptySat Sep 05, 2020 10:31 am by david f

» Simple telemetry system for openLRS (on 458Mhz)
Small Inflatable Bag EmptySat Aug 29, 2020 1:53 pm by david f

» John Lambert Plans
Small Inflatable Bag EmptyThu Aug 13, 2020 11:51 am by david f

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

» Krick Type Vll B Wiring and build photos
Small Inflatable Bag EmptyTue Jul 28, 2020 8:02 am by Deep Diver (Fred)

» New Gyro On The Market
Small Inflatable Bag EmptySat Jul 11, 2020 9:34 pm by timgarrod

» PIC and Arduino microprocessors
Small Inflatable Bag EmptyThu Jul 09, 2020 10:59 pm by timgarrod

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Our users have posted a total of 11163 messages in 1829 subjects

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The newest registered user is vmax1701a

    Small Inflatable Bag

    avatar
    timgarrod
    AMS Website Webmaster

    Posts : 248
    Join date : 2013-04-23
    Age : 40

    Small Inflatable Bag Empty Small Inflatable Bag

    Post  timgarrod on Fri Aug 02, 2013 7:43 pm

    Evening All, Need some advice on a small inflatable bag, I was going to use a small blood pressure bag but the smallest is to big for the rear on my S type. need it as the main bag is in front on the WTC so when empty the rear sticks up. but these bag are to big for space i have, I thought of using a coupe of thin long balloons inside each other, linked to the main bag so can add more lead in the rear to level it off when under. would this work or a stupid idea or do you have any better Ideas

    Cheers

    Tim
    nigele(ADMIN)2
    nigele(ADMIN)2
    AMS Chairman

    Posts : 1107
    Join date : 2010-11-06
    Age : 66
    Location : Braintree, Essex

    Small Inflatable Bag Empty Re: Small Inflatable Bag

    Post  nigele(ADMIN)2 on Fri Aug 02, 2013 8:09 pm

    Hi Tim,
    your main ballast needs to be in the middle of the boat,some of the early Darnell boats had the bag at the front and they never did work very well,adding proper trim tanks might help but it is really no substitute for a central tank.
    avatar
    timgarrod
    AMS Website Webmaster

    Posts : 248
    Join date : 2013-04-23
    Age : 40

    Small Inflatable Bag Empty Re: Small Inflatable Bag

    Post  timgarrod on Fri Aug 02, 2013 9:20 pm

    Hi Nigele, thanks that the problem I got it a old Darrel sub. some one told me to cut the WTC box in half and but the bag in the middle but thats a no go for me, currently working one two tank idea but that way off at the moment so was looking for a out fix for the weekend(all ways in a rush).
    Deep Diver (Fred)
    Deep Diver (Fred)
    AMS member

    Posts : 258
    Join date : 2010-11-07
    Age : 72
    Location : Peacehaven East Sussex

    Small Inflatable Bag Empty Re: Small Inflatable Bag

    Post  Deep Diver (Fred) on Fri Aug 02, 2013 9:31 pm

    Hi PM me your address as I think I my just have the bag you are looking for.
    avatar
    timgarrod
    AMS Website Webmaster

    Posts : 248
    Join date : 2013-04-23
    Age : 40

    Small Inflatable Bag Empty Re: Small Inflatable Bag

    Post  timgarrod on Wed Aug 07, 2013 9:06 pm

    https://i.servimg.com/u/f71/18/46/22/49/wp_20112.jpg


    Managed to get a other bag today, Thank for the offer Fred, I had to rejig it around a larger than thought but it really help making it sit higher, is it but to but the front bag where it is and have all the weight in the middle or have the bag where there the battery is and move the battery to where the bag is,

    Many Thanks

    Tim

      Current date/time is Tue Sep 29, 2020 2:10 am