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Author Topic: ballast system help  (Read 2871 times)

Hodgy1990

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ballast system help
« on: April 11, 2016, 06:24:15 pm »

Hi all im needing to locate a ballast bag system have found some but only in the us and delivery is a few weeks. Does anyone know of anywhere in uk to get them. Cheers
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Re: ballast system help
« Reply #1 on: April 11, 2016, 06:47:32 pm »

Are you after an air bag system or a water bag system?
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Hodgy1990

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Re: ballast system help
« Reply #2 on: April 11, 2016, 07:05:31 pm »

Water bag system as this seemed to be the easyest one to do
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Re: ballast system help
« Reply #3 on: April 11, 2016, 07:59:40 pm »

What size and type of boat is it going in, and what kind of volume are you looking to displace?
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Hodgy1990

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Re: ballast system help
« Reply #4 on: April 11, 2016, 08:05:42 pm »

Its a 6ft British u class sub if am not mistaken
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Re: ballast system help
« Reply #5 on: April 11, 2016, 08:23:55 pm »

A water pump based bag system is generally best suited to smaller models with low waterlines- the opposite of what you have.

 better option would be a hard tank, with a centrifugal pump. This will pump quickly. there are also commercial alternatives like R&R and OTW, who can supply modules suitable for that size of boat.
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Hodgy1990

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Re: ballast system help
« Reply #6 on: April 11, 2016, 08:44:44 pm »

The hard tank setup how is that one done and what components are needed. Never done a sub before so this is uncharted teratory for me
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Re: ballast system help
« Reply #7 on: April 11, 2016, 09:02:37 pm »

That would require a great deal of explanation- we're talking books worth of info.

I suggest getting yourself some reading matter. All the Traplet books on Model Submarines are worth getting. A subscription to the Sub Committee will get you online access to the full back catalogue of over 100 issues of the club magazine.

Personally i would say you are coming into this hobby at the sharp end, and would recommend you start with a good kit which has all wrinkles ironed out, and save the U-class for your second project.
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