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Re: [PSUBS-MAILIST] Reserve buoyancy

To: <personal_submersibles@psubs.org>
Subject: Re: [PSUBS-MAILIST] Reserve buoyancy
From: MerlinSub@t-online.de
Date: 06 Dec 2009 15:34 GMT
Reply-to: personal_submersibles@psubs.org
Sender: owner-personal_submersibles@psubs.org
A larger window will be nice but increase the cost. 
At the moment both domes has the same size and make from our standard mould as Nemo, Peppers..

vbr carsten

<vbra676539@aol.com> schrieb:
> 
> I like the internal batteries for a psub. We measured Aquarius extensively to that end and realized that it could be done. Eurosub is the same size as Aquarius, shortened somewhat, and I am happy to see that we were correct back in the early 80s. I prefer a larger window so that pilot and passenger have a common view, but otherwise, you and Carsten went right down the same track. Maybe I'll get to build one, too, one of these days.
> Vance
> 
> 
> 
> -----Original Message-----
> From: Emile van Essen <emile@airesearch.nl>
> To: personal_submersibles@psubs.org
> Sent: Sun, Dec 6, 2009 10:01 am
> Subject: RE: [PSUBS-MAILIST] Reserve buoyancy
> 
> 
> 
> Hi Vance,
>  
> Some pictures on a Croatian news page. You can see the axe bow of the capsized ship!
> http://www.slobodnadalmacija.hr/Mozaik/tabid/80/articleType/ArticleView/articleId/81450/Default.aspx
> can be translated by google.
>  I have a lot of pic’s  but I have to ask because its intellectual property.
>  
> The main reason for having battery’s in a separate compatiment is safety. For the Eurosub we choose good quality AGM battery’s which are unlikely to explode.
> The 7,2 Kw/h proved enough for whole day diving. This was without long surface transit.
>  
> Emile
>  
> 
> 
> Van: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org] Namens vbra676539@aol.com
> Verzonden: zondag 6 december 2009 15:14
> Aan: personal_submersibles@psubs.org
> Onderwerp: Re: [PSUBS-MAILIST] Reserve buoyancy
> 
>  
> Is the Garibaldi Expedition web page off line for more sub pics (I hope)?
> 
> -----Original Message-----
> From: vbra676539@aol.com
> To: personal_submersibles@psubs.org
> Sent: Sun, Dec 6, 2009 9:07 am
> Subject: Re: [PSUBS-MAILIST] Reserve buoyancy
> 
> Or a keel box or radially bisected pod open to the hull (sealed inside with a lid) like the old PC-5 or the Nekton series. That would provide a separate compartment for the batteries but do away with the leak problem completely. I don't have the engineering expertise to calculate such a thing, but ABS bought off on those boats, so one must assume that it can be done. PC-5 has a 20" tube section with one small hatch forward to pull batteries through (an enormous pain in the butt, according to the guys who worked on it). The nektons have an aluminum box top, o-ring sealed that screws down to the projecting edges of the steel box keel, which exposes the eight batteries from one end to the other (harder to build but easier to maintain).
> 
>  
> 
> What do you think, Carsten? A 1.2m X 30 cm X 30 cm box in the Eurosub? Or a 50 cm OD tube section? Now that KSS has been out to work, do you think it is necessary, or does she have enough power already?
> 
>  
> 
> Vance
> 
> -----Original Message-----
> From: MerlinSub@t-online.de
> To: personal_submersibles@psubs.org
> Sent: Sun, Dec 6, 2009 4:10 am
> Subject: Re: [PSUBS-MAILIST] Reserve buoyancy
> 
> Rootssub?
>  
> Make one central Pod under the pressure hull. 
> If it flood it increase the MG stability 
> and maybe partly compensate the FSEffect.. 
>  
> vbr Carsten 
>  
> <vbra676539@aol.com> schrieb:
> > 
> > Can't argue with that.
> > 
> > So, what do I call the first Eurosub built in the US? Immigrantsub?
> > 
> > Vance
> > 
> > 
> > 
> > -----Original Message-----
> > From: MerlinSub@t-online.de
> > To: personal_submersibles@psubs.org
> > Sent: Sat, Dec 5, 2009 5:52 pm
> > Subject: Re: [PSUBS-MAILIST] Reserve buoyancy
> > 
> > 
> > Boats designed without pods have not such problems.. ;-)
> > vbr carsten
> > 
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