Thank you, Ken
So I could connect the small "I" terminal to the - side of the battery
with a push button switch between the two. The positive side of the
battery would coinnect to the small "S" terminal, and the coil
connects to each of the big terminals on the side-is this correct?
Mike
````````````
--- In microelectricitygermkiller2@yahoogroups.com, "Ken Curtis" <ken.
curtis@...> wrote:
>
> NO!!! That won't work at all! The two large connections on the
> solenoid are like the two connections on a lightswitch, when the
> switch is "off" there is no connection between the connections, when
> the switch is "on" the two connections are connected together. This
is
> called an SPST switch. Like this ._-_. for off and .__. for ON. The
> dots at the ends are like the connections. The two small connectors
> are the ones for powering the coil that operates the switch or
> solenoid. Theoretically speaking, it shouldn't matter which side of
> either connection is + or which is -, just so long as you have a
means
> of switching the battery connection to one of the small connections
> off and on. One large connector goes to, say, the - battery
terminal,
> the other large connector goes to the top end of the coil, and the
> other end of the coil goes to the + battery terminal. I believe the
> the small "S" terminal can connect to the battery + terminal, and
when
> the small "I" terminal is connected to the battery - terminal, the
> solenoid should operate, and the power flows through the coil. You
> will need to put a switch, say a pushbutton momentary (one that is
> only closed for as long as you push it) with one terminal connected
to
> the I terminal and the other to the battery. That pushbutton needs
to
> be pretty rugged, since I hear 20-30 amps can flow through it for a
> couple hundred milliseconds, then falling off to a fraction of that
> for the duration. Anyway, then when you push the pushbutton, the
> solenoid should operate, and power flow through the coil. I would
> recomment testing the small terminal portion first, to make sure it
> functions as I have described.
>
> I would NOT use a deep cycle battery for this! Those batteries are
> designed for lower current. They are used when you often run the
> battery close to totally discharged. They can LITERALLY EXPLODE if
too
> much current is drawn from them! I would use a regular starter
> battery, as they are designed differently from the deep cycle
> batteries internally, specifically for the high currents that
starting
> a car takes. Also, I would operate this monster a few times BEFORE
> putting the coil cable around your chest, just to make sure the
> contacts DON'T arc. A fix for that would be to connect a heavy duty
> electrolytic capacitor to the large terminals, matching + to + and -
> to -. The old distributor that cars used to have used this idea, it
> was called a condensor then, and it kept the points from arcing and
> failing early. I would guess 1,000 microfarads or so should work for
> the split second you need it to, and be sure to use one rated for at
> least 16 volts DC! You might want to install the capacitor anyway,
> just in case, for insurance!
>
> One last thing, I would NOT use this alone!! I would have somebody
> right there, with a large pair of wirecutters, ready to cut the main
> wire between the battery and solenoid, if necessary! Seeing as this
> really IS potentially dangerous, I have to wonder WHY you wish to do
> it? There are MANY ways that are documented to stop pain short of
> doing this, and most of them are MUCH safer!
>
> Best wishes!
>
> Ken
>
>
>
>
> --- In microelectricitygermkiller2@yahoogroups.com, "fuertepazmado"
> <fuertepazmado@> wrote:
> >
> > So the + and - cables from the battery are connected to the large
> > terminals on the side of the solenoid. Let's say I'll connect + to
the
> > large terminal that is closest to the small terminal on top which
is
> > marked "I" and - will connect to the large terminal on the other
side
> > which is closest to the small terminal on top marked "S".
> >
> > Next one end of the coil is connected to small terminal "I" and
the
> > other end of the coil connects to the switch (horn button) which
is
> > connected to small terminal "S".
> > Is this correct?
> >
> > ```````````````````````````````````````````````````````````````
> > >
> > > Either way works. Keep in mind the inside uses a
copper
> > > disc to close the ckt; activated by the coil around a
> > > ferrite coil core.
> > >
> > > When you have 2 small terminals - is typically a Ford
> > > solenoid, one goes to each coil wire end [they are
> > > typically about 2.5" high from top of the tin lid to
> > > bottom of the bakelite case; all others are longer,
> > > foreign may be skinier]. One goes to ground, other
goes
> > > to the switch. The reason Fords are used consistently
is -
> >
> > > the starter bendix ass'y is innertial, self engages when
> > > the motor armature rotates; all others have to overcome
a
> > > stiff spring to engage. More solenoids have only 1
small
> > > terminal than 2; other coil connection is inside the
case,
> > > to the mount bracket, won't work if not grounded.
> > >
> > >
> > >
> >
>