Re: [TCML] SRSG "sputter"

[Gary Lau <glau1024@xxxxxxxxx>]

Three 500W/120V bulbs in series - not much more one can say.  I think the
use of halogen bulbs for a TC dummy load was an original idea of mine.  I
did build a fixture to hold the 3 bulbs securely - a simple plywood base,
and scrap steel strips to hold the bulbs.  The bulbs DO generate a lot of
heat and light so I taped a piece of Al foil beneath the bulbs with kapton
tape to reflect the radiation - just make sure it is far enough away from
the electrical connections to avoid arcing.  I just uploaded a photo onto
http://drop.io/garylau

I can't say that I'm proud of the plywood construction for a HV device, but
it worked for me.  Just be careful what you place it on (so the wood screws
don't short to something underneath).

Regards, Gary Lau
MA, USA

On Wed, Jul 14, 2010 at 10:29 PM, Brandon Hendershot <
brandonhendershot@xxxxxxxxx> wrote:

> Thanks a lot Gary. Do you have any documentation or design source for this
> on the web anywhere, would you? I'd like to see yours before I try and build
> my own. Wouldn't want to design something with a novice oversight and end up
> blowing these things to bits in my face somehow...
>
> On Jul 13, 2010, at 7:32 AM, Gary Lau <glau1024@xxxxxxxxx> wrote:
>
> > Definitely the 6" sticks.  As the full bang voltage is applied across the
> > lamps, I doubt the screw bases would hold off such voltages.  I never
> tried
> > with a 15/30, but I'd use 3 bulbs just the same.
> >
> > Regards, Gary Lau
> >
> > MA, USA
> >
> > On Tue, Jul 13, 2010 at 12:22 AM, Brandon Hendershot <
> > brandonhendershot@xxxxxxxxx> wrote:
> >
> >> Hi Gary,
> >> Regarding the halogen flood lamps, are you referring to the little
> 6"(ish)
> >> long stick like bulbs, or the big honking cone shaped lamps? Would it
> make a
> >> difference? Also, do you think a 15/30 could get away with less
> bulbs/lamps,
> >> or should I just play it safe?
> >> Thanks a lot,
> >> Brandon
>
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