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RE: [PSUBS-MAILIST] wet sub design
> Mike,
>
> I think high speed might not be a good idea in a wet sub -- the faster
> you go, the more likely you are to get into trouble with ascent rates.
> That said, a streamlined job is always a good idea simply because it
> will be more efficient in terms of battery use.
>
> Frankly the idea of a bag of air also sounds a bit iffy to me. When I
> was about 12, I built a shallow-depth camera housing that consisted of
> an acrylic box with a rubber glove that allowed you to manipulate the
> camera. Nifty idea, I thought... no need to mess with mechanical
> penetrations. It didn't work beyond 1 ft. That's how much ambient
> pressure will mess with flexible, air-filled spaces.
>
> The real trick in using a surface vessel for a sub would be to do it in
> such a way it still performed satisfactorily on the surface. I'm not
> sure a cat is the way to go there, as with the weight of batteries you
> will probably never get a cat to plane. Check out Herve's subs on
> www.caribsub.com. He has a new model, not shown on the website yet, that
> goes 30 mph on the surface, 8 mph submerged.
>
> Rgds,
>
> Alec
>
> -----Original Message-----
> From: Mike Knab [mailto:mike@bornclassified.com]
> Sent: Monday, October 20, 2003 8:33 PM
> To: personal_submersibles@psubs.org
> Subject: [PSUBS-MAILIST] wet sub design
>
> Hey all, I have a question. I'm thinking about making a wet sub, out of
> none other than a fiberglass boat. what do you think? it's 13 feet
> long, 5
> feet wide, and is kind of a twin hull design, with each hull 12" wide on
> the
> inside. I'm thinking of putting a total of 6 batteries, 3 on each side,
> in
> lexan boxes in each of the hulls, that will run 4 trolling motors, 2 in
> the
> front, 2 in the rear, the two front ones being used for stearing <ie,
> up-down, and left-right movement> I want this sub to look not only
> cool,
> but also have a low profile so that it will go faster. (i'm thinking +10
> knots). I plan on rigging up lights and sonar as well. I'm still
> working
> on a ballast for it, but I'm thinking foot pedals to push a bag of air
> from
> the left to the right hand side, and vice versa - well, that would be
> for
> banking the craft when i want to turn. I want to definately take
> advantage
> of all three dimensions, and make this thing hydrobatic rated (do they
> even
> have that, such as an airplane rated for aerobatics? ie, being able to
> do
> barrel rolls and the such). Anyway, I welcome all comments, as I'm
> about
> ready to kick down 450 bucks for the hull, which by the way is totally
> virgin, fresh from the mold. Oh, I have a pic of the boat on my
> website:
> www.bornclassified.com/boat.htm (without the L)
>
> anyway, tell me what you think, cuz I just went and checked out this
> boat
> this weekend, and actually seeing it, and touching it, well, its a lot
> different than looking at in on the computer, ya know?
>
> thanks!
>
> Mike
>
> __________
>
> Some things are best left unknown, but for everything else, there's
> www.bornclassified.com
>
> ----- Original Message -----
> From: "Brian Cox" <ojaibees@ojai.net>
> To: <personal_submersibles@psubs.org>
> Sent: Monday, October 20, 2003 11:14 AM
> Subject: Re: [PSUBS-MAILIST] re-designed Esmae
>
>
> > Ya, I have a really cool mpeg movie of FLIP that I'm trying to figure
> out
> how to make availible on my web site, the movie is 9 MB.
> >
> > Brian
> > ----- Original Message -----
> > From: <DJACKSON99@aol.com>
> > To: <personal_submersibles@psubs.org>
> > Sent: Monday, October 20, 2003 10:28 AM
> > Subject: Re: [PSUBS-MAILIST] re-designed Esmae
> >
> >
> > > It's called FLIP and is operated by Scripps.
> http://aquarium.ucsd.edu/learning/learning_res/voyager/flip/
> > > ...and ditto on the good work Brian. --Doug Jackson
> > >
> > >
> > > In a message dated 10/20/2003 1:06:04 AM Eastern Daylight Time,
> coalbunny@vcn.com writes:
> > >
> > > > EXCELLENT! Great job Brian! Ya know there was a research
> facility
> > > > quite like that, except it was more like a boat that would flood
> certain
> > > > sections and tip itself verticle and was used in some kind of
> oceanic
> > > > reasearch. I don't recall, but I don't think Woods Hole had any
> > > > involvement with it. I think *maybe* MIT, but it has been years.
> > > > Carl
> > > >
> > > >
> > > > > Brian Cox wrote:
> > > > >
> > > > > I have some pictures of my new working model of Esmae. This
> model
> at
> > > > > the present time does not have any moving alirons or dive planes
> I
> was
> > > > > more concerned with the general balance in it's various
> positions.
> > > > > Since the model was made out of fiberglass (instead of
> ferro-cement)
> > > > > I had to do some adjustments as far as weight distribution. All
> seems
> > > > > to be working out very well ! I've started a collection of
> > > > > pictures on a personal web page, I have specifications and
> > > > > calculations that I plan to transfer from paper in the near
> future
> but
> > > > > for now here is what I've got
> > > > > ! http://www.ojai.net/ojaibees/index.htm
> > > > >
> > > > > Brian Cox
> > > >
> > > > --
> > > > "Without deviation from the norm, progress is not possible"
> > > > - F. Zappa
> > >
> >
>