Re: [PSUBS-MAILIST] double endcaps sub, stability

[Thijs Struijs <thijs-struijs@planet.nl>]

Carsten,

Sorry, i forgot the attachment. I have giffen it another try.

Greating,
Thijs Struijs

----- Original Message -----
From: "Carsten Standfuss" <MerlinSub@t-online.de>
To: <personal_submersibles@psubs.org>
Sent: Saturday, October 25, 2003 7:02 PM
Subject: Re: [PSUBS-MAILIST] double endcaps sub, stability


> Thijs - I can not find the drawing on moki file - only the headline ?
>
> regards Carsten
>
> Thijs Struijs schrieb:
> >
> > Warren,
> >
> > I have tried to place the batteries inside the pressurehull. I sat in my
> > mock-up (a frame made out of plastic tubes) and tried to find a place
for
> > the batteries (carton boxes). I did not succeed. So now i want to place
them
> > behind the pressurehull. This has the advantage that the profile of the
sub
> > stays slim.  I want to use two 85 AH batteries for the Endura 30 Minn
> > Kota's. There are 4 off them, 2 horizontal and 2 vertical under a 45
dgr.
> > angle.
> >
> > Placing the batteries behind the pressure hull made me worry about the
> > stabiliy. But when you look at an avarage car battery, and you look at
the
> > volume (= buoyancy) compared to the weight they are not that heavy at
all.
> > Anyway i made some "calculations" which i will try to send as an
attachment.
> > About some things i had to make a guess but most figures are extracted
from
> > the 3D autocad drawing.
> >
> > I also send a drawing to moki files. You can see the battery box and the
new
> > thruster configuration. Between the batteries and the MBT there is room
for
> > the air bottle(s).
> >
> > Greatings,
> >
> > Thijs Struijs from
> > The Netherlands
> >
> > ----- Original Message -----
> > From: "Warren Greenway" <opensourcesub@yahoo.com>
> > To: <personal_submersibles@psubs.org>
> > Sent: Wednesday, October 22, 2003 5:42 PM
> > Subject: Re: [PSUBS-MAILIST] DElta sub (was: kitredge sub)
> >
> > > Hey, Thjis. Have you figured out anything on the
> > > battery arrangement for the OSS hull? I was starting
> > > to wonder if it wouldn't be better to follow our
> > > original line of though and place the batteries in
> > > external "pods". The reason I was thinking this, was
> > > I was considering a hatch at the bottom of the hull,
> > > for submerged entry/exit and ambient running, if
> > > ambient pressure was desired.
> > >
> > > Warren.
> > >
> > > --- Thijs Struijs <thijs-struijs@planet.nl> wrote:
> > > > I suppose it about the Nekton Delta.
> > > >
> > > > Thijs Struijs
> > > >
> > > > ----- Original Message -----
> > > > From: "Michael B Holt" <tlohm@juno.com>
> > > > To: <personal_submersibles@psubs.org>
> > > > Sent: Thursday, October 09, 2003 9:45 PM
> > > > Subject: [PSUBS-MAILIST] DElta sub (was: kitredge
> > > > sub)
> > > >
> > > >
> > > > > On Thu, 9 Oct 2003 07:08:09 -0600 "Adam Lawrence"
> > > > <adteleka@in-tch.com>
> > > > > writes:
> > > > > >The Delta is like the Kittredge subs in that it
> > > > has added weight to make
> > > > > it
> > > > > >slightly negatively buoyant when all the air is
> > > > out of the two ballast
> > > > > >tanks, fore and aft.
> > > > >
> > > > > What's the Delta?   I don't recall it.
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Mike Holt
> > > > >
> > > > >
> > > > >
> > > >
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> > > >
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  ------------------------------------------------------------------------
> >
> >                          Name: Stablility1.xls
> >    Stablility1.xls       Type: Microsoft Excel Worksheet
(application/vnd.ms-excel)
> >                      Encoding: base64
>
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