Alt-BEAM Archive
Message #12562
To: beam@sgiblab.sgi.com
From: Evan Dudzik evandude@yahoo.com
Date: Sat, 25 Mar 2000 16:12:43 -0500
Subject: Re: Cap across the motor leads??
> okay, this is a common thing especially among r/c cars
> and planes and boats... they are for leveling out the
> voltage spikes, etc. to the motor, they keep the
> motor running off a smoother voltage/current...
>
> --- Meabadboy@aol.com wrote:
> > In a message dated 3/26/2000 12:14:32 AM Eastern
> > Standard Time,
> > sparkyg@seark.net writes:
> >
> > << remember to tell him to put a .01uf cap across
> > his motor leads. >>
> >
> > Hi,
> >
> > I know partially why you do this, noise, ect. ~ but
> > the other day I tore
> > apart a small toy airplane that the kids hve long
> > sence quit playing with for
> > parts ~ the plane was in the shape of a f-15 and had
> > a small gearbox with a
> > front and rear flashing lights ~
> >
> > Anyway the motor had a Resistor sodered to each post
> > on the motor (22 ohm) ~
> > but there was 3 caps sodered to the motor as
> > follows:
> >
> > 1 cap was sodered between the posts of the motor had
> > a #102 (small disk cap).
> > 2 caps were sodered with one of the leads to the
> > case at a common point of
> > the motor and one to each of the posts so that each
> > post went to a common
> > point of the metal case of the motor thru a #102
> > disk cap
> >
> > why did they do that? ~ is there a purpose to
> > this???
> >
> > Steve
> >
> >
>
> =====
> +------------------------+
> |http://surf.to/photovore|
> |Photovores online! |
> |Evandude Dudzik |
> +------------------------+
>
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