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From: Joe Sommer <anvilus9-at-adelphia.net>
Subject: Re: SSRs, relays, speed controls
Date: Thu, 04 Mar 2004 09:36:09 -0500
Reply-To: tanks-at-rctankcombat.com

Tankers interested in PWM speed control,

I will be on travel for a couple days but I will
try to make a small GIF/JPG drawing to show
the circuit.

It will use one stick just like Steve Tyng's

At 09:29 AM 3/4/2004 -0500, you wrote:
>Actually gents, I'd like to set up to use just one
>stick.  The further you push the right stick to the
>edges, the faster the tank will go in that
>direction.  Not sure how Joe has his code set up
>currently but in any event it wouldn't be that
>difficult to implement.
>You already have stick position in terms of
>pulsewidth and a linear equation translates that into
>duty cycle for the PWMs.
>--- Original Message ---
>From: Frank Pittelli <frank-at-rctankcombat.com>
>To: tanks-at-rctankcombat.com
>Subject: Re: SSRs, relays, speed controls
> >paul needham wrote:
> >>
> >> I can see how the Relay Mixer allows single stick
>steering at a fixed
> >> speed , but when using PWM or similar how do
>you 'control' the speed at
> >> the transmitter end ? without compromising the one
>stick direction and
> >> one stick turret rotate/elevation ?
> >>
> >
> >The up/down channel on the left stick controls the
>PWM speed control,
> >and at the same time the up/down/left/right channels
>on the left stick
> >control the directional relays.  With a micro-
>processor doing the
> >control, it's simply a matter of programming based
>on the four inputs.
> >Without a micro-processor, you operate a servo on
>the up/down channel in
> >parallel with an ESC.  The ESC regulates the speed
>and the servo works
> >in conjunction with the servo on the left/right
>channel to control the
> >directional relays.
> >
> >       Frank P.
> >

Joe Sommer
2378 Nantucket Circle, State College, PA 16803
814.234.4773     anvilus9-at-adelphia.net