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 a guide to past events see the "Shows and Events" section.

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Grantham MBC Sub Day, Sunday 14th August 2022

Bournville Dive-In, Birmingham, Sunday 4th Sept 2022

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Most users ever online was 180 on Tue Nov 05, 2019 6:03 am

Latest topics

» JSN-SR04T Depth sounder
Small Inflatable Bag EmptyYesterday at 10:07 am by geofrancis

» 27Mhz - Radio Ideas
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» Grantham Model Sub Day, Sunday 14th August 2022
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» 915mhz / 868mhz as a viable frequency for submarines.
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» Sheringham 2022
Small Inflatable Bag EmptyThu Aug 04, 2022 1:51 pm by david f

» Craycraft WTC
Small Inflatable Bag EmptySun Jul 24, 2022 4:52 pm by timgarrod

» WW2 mini sub build
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» lego submarine with automatic depth control.
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» RIP SKIP Asay
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Statistics

Our users have posted a total of 11731 messages in 1929 subjects

We have 957 registered users

The newest registered user is wimalopaan

3 posters

    Small Inflatable Bag

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    timgarrod
    AMS Website Webmaster


    Posts : 257
    Join date : 2013-04-23
    Age : 42

    Small Inflatable Bag Empty Small Inflatable Bag

    Post  timgarrod 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 : 68
    Location : Braintree, Essex

    Small Inflatable Bag Empty Re: Small Inflatable Bag

    Post  nigele(ADMIN)2 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 : 257
    Join date : 2013-04-23
    Age : 42

    Small Inflatable Bag Empty Re: Small Inflatable Bag

    Post  timgarrod 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 : 264
    Join date : 2010-11-07
    Age : 73
    Location : Peacehaven East Sussex

    Small Inflatable Bag Empty Re: Small Inflatable Bag

    Post  Deep Diver (Fred) 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 : 257
    Join date : 2013-04-23
    Age : 42

    Small Inflatable Bag Empty Re: Small Inflatable Bag

    Post  timgarrod 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 Fri Aug 19, 2022 6:47 pm