Re: [PSUBS-MAILIST] Hull Shaping Question

[Carsten Standfuss <Merlinsub@t-online.de>]

Yes,. make the endcaps (depents on design shap) about 15-20 % stronger
than the cylinder to get at equal - for the first wieght calculation. 

regards Carsten

Thijs Struijs schrieb:
> 
> Hello Rob,
> 
> The most easiest and cheapest way is to buy tankheads. On the Afflerbach
> site you can see how they are made. On the Baker site you see that they also
> make conical heads. They make them by spinning or pressing flat discs. This
> means that the material thickness varies. Maybe a simple phonecall to Baker
> might help a lot. Don't forget to tell them that you are talking about
> external pressure. I think 99% of these tankheads are used for internal
> pressure and that's something completely different.
> 
> http://www.afflerbach.de/eng/index.htm
> http://www.bakertankhead.com/products.htm
> 
> Greatings,
> 
> Thijs Struijs
> 
> ----- Original Message -----
> From: "Rob Ossian" <rob_neptune@yahoo.com>
> To: <personal_submersibles@psubs.org>
> Sent: Monday, February 27, 2006 5:50 PM
> Subject: [PSUBS-MAILIST] Hull Shaping Question
> 
> > I have some questions about hull construction and was
> > hoping that some of y'all might be able to lend a
> > little assistance?
> >
> > The project I am working on is a shallow water sub
> > (designed for lake use, max lake depth is 200') and so
> > I am making a slightly pointed nose cone for the bow
> > of the sub.
> >
> > My questions are:
> >
> >  - What is the terminology for the processes of
> > rolling a shaped hull?
> >  - Does anyone out there have any experience in
> > producing such a nose cone shape?
> >  - Since I will likely be outsourcing this part of the
> > assembly to an ASME certified welding shop (for safety
> > reasons) how could I best convey what I am trying to
> > achieve more coherently than I have above?
> >  - Does anyone know of any other nose cone shaped subs
> > out there?
> >
> > Any help would be apreciated!
> >
> > Thanks,
> > Rob
> >
> > __________________________________________________
> > Do You Yahoo!?
> > Tired of spam?  Yahoo! Mail has the best spam protection around
> > http://mail.yahoo.com
> >
> >
> >
> > ************************************************************************
> > ************************************************************************
> > ************************************************************************
> > The personal submersibles mailing list complies with the US Federal
> > CAN-SPAM Act of 2003.  Your email address appears in our database
> > because either you, or someone you know, requested you receive messages
> > from our organization.
> >
> > If you want to be removed from this mailing list simply click on the
> > link below or send a blank email message to:
> > removeme-personal_submersibles@psubs.org
> >
> > Removal of your email address from this mailing list occurs by an
> > automated process and should be complete within five minutes of
> > our server receiving your request.
> >
> > PSUBS.ORG
> > PO Box 311
> > Weare, NH  03281
> > 603-529-1100
> > ************************************************************************
> > ************************************************************************
> > ************************************************************************
> >
> >
> >
> > --
> > No virus found in this incoming message.
> > Checked by AVG Free Edition.
> > Version: 7.1.375 / Virus Database: 268.1.0/269 - Release Date: 24-2-06
> >
> >
> 
> ************************************************************************
> ************************************************************************
> ************************************************************************
> The personal submersibles mailing list complies with the US Federal
> CAN-SPAM Act of 2003.  Your email address appears in our database
> because either you, or someone you know, requested you receive messages
> from our organization.
> 
> If you want to be removed from this mailing list simply click on the
> link below or send a blank email message to:
>         removeme-personal_submersibles@psubs.org
> 
> Removal of your email address from this mailing list occurs by an
> automated process and should be complete within five minutes of
> our server receiving your request.
> 
> PSUBS.ORG
> PO Box 311
> Weare, NH  03281
> 603-529-1100
> ************************************************************************
> ************************************************************************
> ************************************************************************



************************************************************************
************************************************************************
************************************************************************
The personal submersibles mailing list complies with the US Federal
CAN-SPAM Act of 2003.  Your email address appears in our database
because either you, or someone you know, requested you receive messages
from our organization.

If you want to be removed from this mailing list simply click on the
link below or send a blank email message to:
	removeme-personal_submersibles@psubs.org

Removal of your email address from this mailing list occurs by an
automated process and should be complete within five minutes of
our server receiving your request.

PSUBS.ORG
PO Box 311
Weare, NH  03281
603-529-1100
************************************************************************
************************************************************************
************************************************************************