Re: [PSUBS-MAILIST] Sub building business

["Dan H." <jmachine@adelphia.net>]

Brian,

It's a lot of fun searching the bottom for something, or nothing at all, but
the most fun is when your doing it with another person in the sub.  You get
to share and talk over the experience while it's happening and for a long
time afterward.  A two place is definitely more fun then a one place sub.

Dan H.

----- Original Message ----- 
From: "Brian Cox" <ojaibees@ojai.net>
To: <personal_submersibles@psubs.org>
Sent: Wednesday, December 22, 2004 10:31 PM
Subject: Re: [PSUBS-MAILIST] Sub building business


> Personally I don't want to be smelling someone else's farts while I'm
trying to maneuver my sub, and I certainly don't need a back seat driver
either. Let the other passenger get his own sub! For me a one man sub is
better since space can be kept at an absolute minimum that way things can be
optimized for overall weight, handy when launching.
>
> Brian
> ----- Original Message ----- 
> From: "Gregory B. Snyder" <snyder@mnrad.com>
> To: <personal_submersibles@psubs.org>
> Sent: Wednesday, December 22, 2004 3:10 PM
> Subject: RE: [PSUBS-MAILIST] Sub building business
>
>
> > Hi guys -
> > For what it's worth, I agree with Vance - I'd love to have a vessel
> > capable of 300 - 500 ft with a main front view port dome or flat window,
> > manipulator arm and conning tower viewport.  The acrylic tube slice
> > sounds great - but what about cost, and how many dive cycles till it
> > needs to be changed?
> > Room for 2 at a minimum, three is a plus.
> > Thanks-
> > Greg
> >
> > -----Original Message-----
> > From: owner-personal_submersibles@psubs.org
> > [mailto:owner-personal_submersibles@psubs.org] On Behalf Of john
> > Sent: Wednesday, December 22, 2004 4:57 PM
> > To: personal_submersibles@psubs.org
> > Subject: Re: [PSUBS-MAILIST] Sub building business
> >
> >
> > Vance
> > Tell me more about the Minn Kotas that held to
> > > nearly 1200 feet in a test tank
> > John
> > --- VBra676539@aol.com wrote:
> >
> > >
> > > In a message dated 12/21/2004 6:41:14 PM Eastern
> > > Standard Time,
> > > mongo14904@yahoo.com writes:
> > >
> > > Hi all
> > > I have been thinking about looking for investors
> > > To invest K-sub production. I put it to the group
> > > for
> > > opinions...does anyone think that there is small or
> > > large
> > > demand for K-subs in the world. I am currently doing
> > > a
> > > market ability study for this. And would  appreciate
> > > any input or ideas.
> > > John
> > >
> > >
> > >
> > > Merry Christmas John,
> > >
> > > I'm not sure if there is a market for Model T
> > > submersibles, as George had a
> > > whale of a time but didn't make much money. There
> > > are some wonderful upgrades,
> > > however, which might let you modify the
> > > house-that-George-built into something
> > > more modern. There is a lot of interest out there,
> > > but the prices are too
> > > steep for ready-made subs. P. Nuytton built Sea
> > > Urchin in an effort to create a
> > > $50 K sub, and I think it turned out iffy
> > > (price-wise), and he hasn't pursued
> > > it as far as I know. Maybe he will chime in and tell
> > > us why. The design is
> > > pretty cool, and substantially lighter than the
> > > K-models (not much over half), so
> > > that might be something to think about, as well.
> > >
> > > Off-the-shelf thrusters (I've seen modified
> > > big-frame Minn Kotas that held to
> > > nearly 1200 feet in a test tank, and would work like
> > > a charm at 350--for less
> > > than a thousand bucks), better motor controllers,
> > > package lights, larger
> > > viewports (6 in the conning tower, I would think, or
> > > an acrylic cylinder in place
> > > of the steel one--and a Jago-style dome in the bow).
> > >
> > > Maybe go to external ribs, rather than internal. For
> > > all practical purposes,
> > > it won't make any difference strength-wise, and will
> > > be a lot easier on the
> > > elbows. Keep it simple, of course. That would be the
> > > key to it. I prefer the
> > > option of being able to sit up in the conn, or lay
> > > down at the forward viewport
> > > depending on circumstances. The Sea Urchin is
> > > smaller, so you might look into
> > > what would happen if you lengthened the K-sub hull
> > > and reduced it to, say,
> > > thirty inches from thirty-six.
> > >
> > > I think you will also need some kind of manipulator
> > > option. I've got all the
> > > data for a simple package, internal
> > > electro-hydraulic unit with small
> > > solenoids, and a simple little Perry-style three or
> > > four function manip would do it,
> > > or even one of Dr. Phil's pneumatic three-ways like
> > > he used on the Sea Urchin.
> > >
> > > And I hate George's ballast tanks. The open skirt
> > > design makes the subs
> > > ridiculously difficult to tow without stopping all
> > > the time to squirt more air into
> > > the tanks.
> > >
> > > Keep the manual controls, but the subs are much
> > > easier to handle when
> > > cruising with some sort of rudder. I'm installing
> > > the tilting thrusters on a common
> > > shaft forward of the main hull, driven by the
> > > right-side thruster penetration
> > > by a simple lever. They have reversing circuits now,
> > > and should improve close
> > > maneuvering (although I'm afraid that I may,
> > > ultimately, need a lateral
> > > thruster up front as well). Will fix the main motor
> > > on the centerline aft and operate
> > > a rudder behind it with the left side (also by
> > > lever), rather than trying to
> > > horse the whole thing around. We'll see how that
> > > goes.
> > >
> > > If I ever build again, I'll go with fixed thrusters
> > > and steer with motor
> > > controls, rather than levers. Look Ma, no
> > > handles!!!! Anyway, I'd love to see the
> > > subs active again. I hope you will keep us up to
> > > date on how the polling goes.
> > >
> > > Vance
> > >
> >
> >
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