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RE: [PSUBS-MAILIST] OSS Modeling Ideas
I guess I prefer something that can't leak. What about
a glass micro beads? I have seen them used for things
like this, and they are pretty cheap. Forget the epoxy
I mentioned earlier, it would work but would be a one
time deal. What kind of equal pressure can a sealed
gel cell take?
Warren.
--- martlet1 <martlet1@sbcglobal.net> wrote:
> Another option is pressure compensation with inert
> gas (helium or argon).
> No ignition hazard with any hydrogen gas produced by
> the batteries,
> reversible, and relatively cheap.
>
> Texas Lake Diver
>
> -----Original Message-----
> From: owner-personal_submersibles@psubs.org
> [mailto:owner-personal_submersibles@psubs.org]On
> Behalf Of Warren
> Greenway
> Sent: Saturday, April 26, 2003 12:12 PM
> To: personal_submersibles@psubs.org
> Subject: Re: [PSUBS-MAILIST] OSS Modeling Ideas
>
>
> Try pressure compensation with epoxy. If the battery
> hull is the correct dimensions, it might just be
> possible. They sell thermal conductive, electrical
> insulative epoxies that you can fill with glass
> beads.
> This is somewhat expensive, and completely
> irreversible,
> but would work.
>
> Warren.
>
> --- Thijs Struijs <thijs-struijs@planet.nl> wrote:
> > Warren,
> >
> > A little late reaction, but i was on a vacation
> for
> > week. I will try to get
> > some ideas on paper. The problem is that i don't
> > know yet where to locate
> > the batteries. When placed internaly they won't
> > contribute to the stability.
> > When placed exterior they should be
> > pressure-compensated or in a bulky
> > pressure resistant container. Pressure
> compensation
> > with oil isn't an option
> > after reading Busby. Pressure compensation with
> air
> > was my favorite until
> > Michael Wludarczyk (his e-mail from april 15)
> > pointed out that that might be
> > dangerous. I will check the archives for this
> > matter.
> >
> > Greatings,
> >
> > Thijs Struijs
> > ----- Original Message -----
> > From: "Warren Greenway" <opensourcesub@yahoo.com>
> > To: <personal_submersibles@psubs.org>
> > Sent: Monday, April 21, 2003 9:43 PM
> > Subject: Re: [PSUBS-MAILIST] OSS Modeling Ideas
> >
> >
> > > Hey, Thjis, have you given any thought to the
> > external
> > > tank layout? I was playing around with ari,
> > ballast,
> > > and batteries, trying to figure out where they
> > should
> > > go. Your hull concept is naturally very sleek,
> so
> > it
> > > would be nice if we could keep it that way.
> > >
> > > Warren.
> > >
> > > --- Thijs Struijs <thijs-struijs@planet.nl>
> wrote:
> > > > Jeremy,
> > > >
> > > > Very nice pictures. I am sure that this will
> > help in
> > > > the discussion. Even
> > > > people with no 3D-imagination can follow.
> > > > I made a mock-up of the Double endcap sub out
> > of
> > > > plastic pipe. I made a
> > > > floor in it of about 600 mm long and 300 mm
> > wide. I
> > > > was thinking of a seat
> > > > that can be changed in height from 150 to 300
> > mm.
> > > > The seat must be foldable
> > > > or removeble so you can sit on knees from time
> > to
> > > > time. It will never be
> > > > very comfortable but even famous subs like
> Star
> > III
> > > > (Busby p. 461) demand
> > > > some flexiblity of the crew.
> > > > As for the two-seater i was thinking of a
> > scooter
> > > > buggy seat. The hull could
> > > > be equiped with 2 acrylic hemispheres on both
> > sides
> > > > like big fish-eyes.
> > > > I am on a vacation the next week so i will be
> of
> > > > line for some time.
> > > >
> > > > Good luck,
> > > >
> > > > Thijs Struijs
> > > >
> > > >
> > > >
> > > > ----- Original Message -----
> > > > From: "Jeremy Crawford" <ISMASC@hotmail.com>
> > > > To: <personal_submersibles@psubs.org>
> > > > Sent: Saturday, April 19, 2003 12:50 AM
> > > > Subject: [PSUBS-MAILIST] OSS Modeling Ideas
> > > >
> > > >
> > > > > I did some thinking about doing some
> modeling
> > for
> > > > OSS but that is a pretty
> > > > > vague situation. So my first thought was to
> > look
> > > > at Seating arrangments.
> > > > I
> > > > > setup about six different two man
> > arrangements. I
> > > > used a standard
> > > > cylinder
> > > > > hull for half and then used Thijs Idea of
> the
> > > > Double endcap for the other
> > > > > half. So if people interested could look
> and
> > > > weigh in on what seating
> > > > > configuration they like best, that would
> point
> > me
> > > > in the right direction.
> > > > > ALSO if you have a different idea please
> send
> > it
> > > > in and I can add it for
> > > > > consideration. Mind you this is for
> modeling
> > > > Ideas only I am not using
> > > > this
> > > > > to steer the direction of OSS. I just want
> to
> > > > come up with some models
> > > > that
> > > > > can be used for determining design direction
> > if
> > > > people choose to use them.
> > > > >
> > > > > http://www.batts.org/oss/seating.htm
> > > > >
> > > > > Also Thijs I know you had the Idea of
> having
> > the
> > > > Endcaps on their side.
> > > > I
> > > > > will incorporate a seating model for this
> > soon.
> > > > >
> > > > > Thanks,
> > > > > Jeremy
> > > > >
> > > > >
> > > >
> > >
> >
>
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