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

["Dan H." <jmachine@adelphia.net>]

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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