RE: Dan's DRSSTC II 1st light tips?

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "marc" <xp88@xxxxxxxxxxxxx>

Point taken - I'll reconsider lowering the 10k resistor for a faster
discharge.

Thanks much

Marc


> [Original Message]
> From: Tesla list <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Date: 7/8/2005 9:13:15 PM
> Subject: RE: Dan's DRSSTC II 1st light tips?
>
> Original poster: Terry Fritz <teslalist@xxxxxxxxxxxxxxxxxxxxxxx>
>
> Hi,
>
> I try to make primary caps and easily touchable things discharge in 5
> seconds  (5RC = 5).  It is real nice when a friendly helper moving your
> stuff is fondling the primary cap terminals to know that there is not
> voltage left there ;-))
>
> Internal buss stuff is like 2 or 3 minutes based on how long it take a
> statistically averaged fool to remove the cover screws and go touching
> everything inside...
>
> Test technicians and those that play with circuits live, are just "on
their
> own" to "know better"...  "Hand" discharge resistors are cute, but I have
> seen too many flaming resistors thrown across the floor in terror when
> someone tries to discharge the still fully energized buss...  I just used
a
> screwdriver, but I don't think that is politically correct now ;-))  But
> they were very effective...
>
> I put discharge resistors on "every" dangerous cap.  No reason at all not
> too...  Base the discharge time on how long it take to go grabbing it...
I
> have a buss switch that either charges the caps up hard, or discharges
them
> hard, with a 50 ohm resistor.  Either you are running the coil, or you
are
> running away ;-))  No in between...
>
> http://drsstc.com/~terrell/schematics/Chassis.gif
>
> Cheers,
>
>          Terry
>
>
> At 05:04 PM 7/8/2005, you wrote:
> >Hi Dan,
> >
> >I chose 10k because that was the value in the book!
> >I'm not really concerned about discharging "as fast as possible".
> >I just don't want to go back to the coil after dinner or whatever and
> >forget the H-bridge is still sitting at 200 volts or so!
> >
> >Thanks!
> >
> >Marc
> >
> >
> > > [Original Message]
> > > From: Tesla list <tesla@xxxxxxxxxx>
> > > To: <tesla@xxxxxxxxxx>
> > > Date: 7/8/2005 12:34:54 PM
> > > Subject: RE: Dan's DRSSTC II 1st light tips?
> > >
> > > Original poster: "Mccauley, Daniel H" <daniel.h.mccauley@xxxxxxxx>
> > >
> > > Just saw this.
> > > Anyways, the 10k resistor isn't going to discharge fast enough to be
of
> > > real use.
> > > Its better to use a relay (or similar) and a smaller resistance
resistor
> > > to
> > > really discharge as fast as possible.
> > >
> > > Dan
> > >
> > >
>