Re: [PSUBS-MAILIST] My PSUB Explorer

[Brent Shaw <drydivenz@yahoo.com>]

Alan
I think I'll end up burning out your motors putting
that much more load on them. There was someone in the
group that offered motors and prop. Run search on
archive for 3 blade prop.
Brent



--- Alan Winick <subguy33@yahoo.com> wrote:
> Brent:
> 
> Thanks for your idea. That would certainly be one
> solution, albeit requiring some refitting. Can you
> think of a different prop that might fit my current
> motors? What about something zany like stacking
> another 2-blade prop at right angles for a tandem
> effect?
> 
> Alan
> --- Brent Shaw <drydivenz@yahoo.com> wrote:
> > alan
> > 
> > Just my thoughts
> > 
> > you could upgrade power by simpling installing 74
> lb
> > thrust motors and upgrading battery power to 24
> > volts
> > for main power. The shaft threads are the same so
> > motors can be changed over. Motors from
> > www.trollingmotorparts.com are around $170 and
> > controllers around $150 or maybe not quite than
> > easy.
> > 
> > Brent
> > 
> > --- Alan Winick <subguy33@yahoo.com> wrote:
> > > Brent:
> > > 
> > > 44 lbs each, port and starboard. Two-blade
> > Minn-Kota
> > > prop.
> > > 
> > > Alan
> > > 
> > > --- Brent Shaw <drydivenz@yahoo.com> wrote:
> > > > Hello alan
> > > > 
> > > > How much thrust are the current motors?
> > > > 
> > > > Brent - nz
> > > > 
> > > > --- Alan Winick <subguy33@yahoo.com> wrote:
> > > > > Hello!
> > > > > 
> > > > > My name is Alan Winick and I'm sending a
> photo
> > > of
> > > > my
> > > > > submarine Explorer to the site. I dreamed of
> > > > > building
> > > > > a sub since I was 11 (about 35 years ago).I
> > > > > completed
> > > > > it in 1998 after many years of planning,
> > > including
> > > > > several visits with George Kittredge and
> > intense
> > > > > study
> > > > > of numerous vehicles. Busby was my bible!
> > > > > 
> > > > > Explorer is a single place, one-atmosphere
> > sub.
> > > > It's
> > > > > 8' LOA and weighs in at 2300 lbs. Design
> depth
> > > is
> > > > > 250'
> > > > > and deepest dive to date is 120'. Viewing is
> > > > through
> > > > > 7
> > > > > flat ports in the conning tower and a plexi
> > bow
> > > > dome
> > > > > fabricated for me by Greg Cottrell.
> Propulsion
> > > is
> > > > > three air-compensated Minn-Kotas running off
> > two
> > > > > series 27 marine gel batteries carried
> inside
> > > the
> > > > > hull. Cabin atmosphere is air refreshed with
> > O2.
> > > > An
> > > > > O2
> > > > > analyzer and CO2 scrubber are carried.
> > > > > 
> > > > > Although Explorer is active, it spends most
> of
> > > its
> > > > > time on exhibit at The Maritime Aquarium in
> > > > Norwalk,
> > > > > CT. I am deeply involved in science
> education
> > > > using
> > > > > the submarine as a teaching tool.
> > > > > 
> > > > > But on to my question. I need more thrust.
> I'm
> > > > > sure the motors are powerful enough and
> > suspect
> > > > that
> > > > > I
> > > > > need props more suited to my application
> than
> > > the
> > > > > stock ones supplied with the motor. Maybe
> more
> > > > > pitch,
> > > > > blade area? Anybody? Thanks.
> > > > > 
> > > > > Alan 
> > > > > 
> > > > > 
> > > > > 
> > > > >
> > >
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