Re: [PSUBS-MAILIST] My plans for a personal sub

[labtop@interbaun.com]

Hi!
    
    Have you considered using higher voltage motors for your
sub? I also saw in a previous thread of the list here that
there were supposed be some Hydro Caps (Name of product?)
that would absorb the Hydrogen gas inside the battery
container.

  -- Chris B --

----- Original Message Follows -----
> I'm sorry your right, I probably would have bought deep
> cycle when I thought about it further, I didn't think of
> using at the time and I wasn't really specifying the
> certain type of battery. Deep cycle would be perfect since
> i plan on taking apart 2 minn kota trolling motors for my
> propulsion. Thank you for you comment. In other notes I
> also know the dangers of using batteries, ie the discharge
> of the explosive hydrogen, therefor I will probably be
> mounting my batteries in a separate battery container
> outside the main pressure hull.
> 
> 
> ----- Original Message ----- 
> From: <labtop@interbaun.com>
> To: <personal_submersibles@psubs.org>
> Sent: Wednesday, July 09, 2003 10:51 PM
> Subject: Re: [PSUBS-MAILIST] My plans for a personal sub
> 
> 
> > Hi!
> >
> >     My name is Chris and i'm fairly new to this list,
> > but I saw that you were planning to use 2 car batteries
> > in your sub. I would personally not recommend this
> > because car batteries are made to send hundreds of amps
> > to a motor for a very short period of time, not a nice
> > long draw of oh, lets say 34 Amps (24V @ 1HP =~ (800
> > Watts) because of motor inefficency). You would benifit
> > in the long run by buying a pair of deep cycle batteries
> > , which are made to put out a more constant current for
> > a longer period of time. Marine deep cycle batteries
> would be the best. >
> >     Note: The lead plates in car batteries are more
> > porus than the plates in the deep cycle batteries. The
> > larger surface area of the car battery plates is what
> > enables them to put out those hundreds of amps for a
> > short period of time.
> >
> >    Anyone disagree?
> >
> >
> > ----- Original Message Follows -----
> > > Hi, I am a person that is VERY interested in building
> > > a small 2 man submarine capable of going about 50 feet
> > > deep in fresh-water. I plan on building it with a
> > > large propane storage tank, and using 2 car batteries,
> > > a trolling motor, a small 1.5 horsepower edger motor
> > > (with a snorkel for getting air and venting exhaust)
> > > for charging the batteries and compressing air, 2
> > > regular size helium storage tanks for reserve air, and
> > > 3 variable sized tanks for ballast. Any advice you
> > > have is welcome and much appreciated, since I have
> > > very little experience with submarines but am anxious
> > > to learn more and build one of my own.
> > >
> > >     Thanks for your time,
> > >  A amateur submarine enthusiast
> >
> > --Chris Burchett
> >
> > Some People die with their dreams inside them, and some
> > people die inside their dreams. SAFETY FIRST!
> >
> > --Borrowed from someone else.
> 

--Chris Burchett

Some People die with their dreams inside them, and some
people die inside their dreams. SAFETY FIRST!

--Borrowed from someone else.