Re: [PSUBS-MAILIST] [Fwd: take some time and view my web sites...]

[Warren Greenway <opensourcesub@yahoo.com>]

By "a monkey could make it", I meant "make", not
design. LOL! Here is the trick, I haven't designed a
motor controller yet, since I need to know more about
what it will need to do. Also, there are quite a few
designs out there. The book TTL cookbook is a mujst,
and has schematic to build simple PWM timers, all you
need to do is add FETS. I actually have a pretty good
PWM design I have used that was produced by a friend
who is a professional EE. I will dig it up, scan, and
post it. 
No, I don't think you are mentally challenged! You
just need a couple more books, and you'll be building
circuits with the best!
One problem that I have is that I am accustomed to
designing circuits that require a PCB, which is a
whole different ball of wax. The PCB would be great,
but then we would have to organize the purchase of 50
or a 100 at a time and how to distribute them, etc. It
may be better to try and change gears a bit and select
components that will allow a "perf-board" approach.

One final thing, I want to share a superb parts source
with you PSUBBERS www.goldmine-elec.com
Get their catalog! They sell motors, electronics, and
other usefull goodies at dirt-cheap prices!

Warren.

--- "Dan H." <jmachine@adelphia.net> wrote:

> Warren,
> I was born in the year of...... well let's just say,
> a long time ago, and I
> know I'm not a monkey either.  I have what it took
> to build "Persistence"
> and have some old electronic experience also, but
> still wouldn't know how to
> build the speed controller you're talking about.
> 
> Please keep in mind, we're not all from the same
> mold.  It would be more
> useful to me, and probably many others on the list,
> if your postings did
> more describing and less assuming.  For instance, I
> know your planning a
> sub, that's obvious, but I still don't know the
> exact meaning of OSS.  I do
> happen to know what a 555 timer is but how many
> others do, I'm not sure.  I
> also know what caps are.  They are used to smooth
> out electrical pulses,
> used to block off the ends of pipes, and what I used
> to put in my hand gun
> when I donned my cowboy hat and ran around the back
> yard many years back.  I
> know I'm exaggerating here but only trying to make a
> point.
> 
> You are a skilled person and I know I can learn
> things from you.  Please try
> to post in full descriptions without assumptions and
> use terms instead of "
> alphabet soup," at least the first few times you
> post about something so we
> can get up to speed.
> 
> About a speed controller,  I for one would be
> grateful if you'd draw up
> schematics for a few that the average guy can build
> and post them, in
> particular, one for 36volts @ 100 amps for forward
> and reverse..
> 
> Sorry if I sound mentally challenged to you.
> Dan H.
> ----- Original Message ----- 
> From: "Rick and Marcia" <empiricus@telus.net>
> To: <personal_submersibles@psubs.org>
> Sent: Sunday, December 05, 2004 3:19 AM
> Subject: Re: [PSUBS-MAILIST] [Fwd: take some time
> and view my web sites...]
> 
> 
> > Warren - I was born in the year of the monkey (per
> your remark below) but
> I
> > still have some questions!!!
> >
> > If I read your email correctly, it's possible to
> build a motor speed
> control
> > for under $10.
> >
> > I have a joy stick (USB compatible) that I'm
> thinking of hooking up
> > mechanically to some pots for static maneuvering
> (sidle, pitch, yaw,
> heave).
> > Would I be able to use the USB function without
> having to rely on
> software?
> > Or am I better off to just cut the USB cord and go
> with my original idea
> of
> > a mechanical connection?
> >
> > Why the 555 timer?  Caps?  FET?  PWM?  Vas ist?
> >
> > I'm thinking of using simple 12V bilge pumps to
> generate water jets for
> > static thrust but they're simple on/off's. 
> Variable speed controls on the
> > pumps would be nice if it's simple enough to do.
> >
> > Circuit diagrams?
> >
> > Rick Lucertini
> > Vancouver, Canada
> >
> >
> >
> >
> > ----- Original Message -----
> > From: "Warren Greenway" <opensourcesub@yahoo.com>
> >
> > Subject: Re: [PSUBS-MAILIST] [Fwd: take some time
> and view my web
> sites...]
> >
> >
> > > Thanks for some real good feedback. I would like
> to
> > > point out, though, that by fly-by-wire I meant
> using
> > > the electric drive motors directly. If it is
> > > all-electric then you can upgrade from switches
> to PWM
> > > via potentiometer, to digital, as you see fit or
> can
> > > afford. For instance, you can use a simple 555
> timer
> > > IC with a potentiometer a couple of caps and a
> FET and
> > > get a PWM with dial-a-speed ability for under
> $10.
> > > Cheap upgrade, reliable, can be built by a
> monkey, but
> > > it has to be all-electric for this to be viable.
> So,
> > > that is all I meant.
> >
> >
> >
> >
> >
>
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