Re: [PSUBS-MAILIST] Motor speed controlers

On Sun, 5 Dec 2004 10:42:40 -0500 "Dan H." <jmachine@adelphia.net> writes:
> 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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