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Re: [PSUBS-MAILIST] OSS bolted frame and sections
Hhhhmmm. Ok, Carsten, here is what I was thinking: The pressure
hull would become a multiple of a predefined section length with
the related tanks being stepped and repeated down the hull and all
internal stuff being bolt in modular. However, I wasn't thinking
that the hull COULD be bolted together. If you know otherwise,
I am excited to say the least. I don't believe that it would increase
the cost. I was simply under the impression from reading books like
Concepts of Sub Design that bolted sections would be unsafe. Is this
not true? If not, the project can be broken down more cleanly and
the entire design made much more flexible for hardly any additional
work or cost. Please advise.
Warren.
> Ian Roxborough schrieb:
> >
>
> > > Note: Modular would not be bolt together. Pressure hull would
> > > still be a welded piece, the tanks would be arranged in groups
> > > though, so only one set of designs is needed. Step and repeat.
> >
> > I really like the idea of the pressure hull being two sections
> > that can be bolted together. This will make maintaining and
> > upgrading the submarine a lot easier. Plus, if you where to
> > add a diesel, you could add a longer section. If we do go
> > with a bolted section pressure hull, then we would put the
> > insides on rail (previous mension on psubs) so the contents
> > could slide out for servicing.
> >
> > If we have bolt on modules, we will have to make sure that
> > if one or more of these modules floods the boat doesn't become
> > endangered.
> >
> > Ian.
>
> Hi Ian - The Euronaut has the bolted frame in the machinery space.
> The Additional battery, gas or whatever section has a diamter
> of 2,5 meter a length of 2 meter and a weight of 9,817 t with
> a displacement of 9,817 m3 ;-) The boats move from 16 to 18 meters
> is I decided somedays to add them.
> If I add them it will be surprisley cheap - and to plug in
> the ready build section will cost me a weekend or two..
>
> Warrend - you keep out the bolted section frame - but it looks like on
> the list that most guys like it - for what reason it moves out ?
>
> The only reason I can see is maybe the additional price ?
> You can save so much building time - work in this saved time regular
> and you save money with the sectionframe..
>
> Modules length should not terminate like 2 meter and 4 meters.
> The modules can have different lengths depents on what they contains..
> The just have to have design to a formular like 1t = 1m3.
> Please note that with the additional section the boat lost a little
> freeboard.
>
> Workshop with Psub2003 under construction :
>
> ______________________________________________
> I drawings I I drawing I
> I I Table I I
> D ___________ ____ __ I
> O / ____ I I \__/ I I
> O I bow (____) stern_===II I
> R \___________I I____/ \__I I
> I I
> I weldgear I
> I________store_______I____I_______store______I
>
>
> regards Carsten
>
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