Re: [PSUBS-MAILIST] Not absolutelly personal but submersible anyway

[DJACKSON99@aol.com]

I have used 12volt, 500gpm Johnson Bilge Pumps from thrusters down to 60 feet, and they only cost $10 each. 
See: http://www.djackson99.netfirms.com/rov/index.html

Doug J


In a message dated 8/15/2003 10:55:04 AM Eastern Daylight Time, opensourcesub@yahoo.com writes:

> 
> If it's small enough you could use a power head for
> an aquarium. A good power head produces substantial
> thrust, they are cheap, they are hermetically sealed,
> and one power head could be steered to direct the
> thrust. The only problem will be that most power
> heads run on 110V AC. Obviously a small inverter
> could be used, considering how much current your
> electronics will require. Anyhow, just thought I'd
> offer the idea.
> 
> Warren.
> 
> --- Victor Romero <romero@kde.org> wrote:
> >
> >
> >   Dear co-listers,
> >
> >       Actually I'm trying to do my own computerized mini
> > submarine, I plan to use
> > as hull a old scuba tank with the bottom cutted and
> > with a methacrylate grass
> > to let the quickcam record, In the orifice of the
> > top I plan to put a o-ring,
> > use some of these nice cable conectors to put a rj45
> > class 5 cable with power
> > over ethernet to feed a IPAQ pda with a usb host
> > dongle and a usb adquisition
> > board with some little power adaptors to the motors.
> >
> >
> >       By now I going only to use one motor, and then Im
> > going to decide where to
> > put two more to manage the direction.
> >
> >   Ok, heres the questions,
> >
> >       ¿ its posible to buy hermetic motors to have the
> > motor outside ? ( I think
> > this is more expesive, but I dont know nothing about
> > o-rings and Im going to
> > try to avoid the use of it )
> >
> >       ¿ its posible to buy premade o-rings + axis ?
> >
> >       ¿ Where do you use to buy sumbarines accesories ?
> >
> >       ¿ Its posible to adquire thougth internet some
> > nice book (still printing)
> > about submarine construction ? ( I tryed with some
> > of these in
> > http://www.psubs.org/book.html but cant find where
> > to buy )
> >
> >
> >   Greetings
> >