Re: Primary dummy-loading

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "brian by way of Terry Fritz <twftesla-at-uswest-dot-net>" <ka1bbg1-at-mcttelecom-dot-com>

Gary, i have 120 volt 500 watt light bulbs here if you need any. i bot them
at an auction years ago and the last for a long time. i also have sockets
for them. cul brian

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, May 07, 2001 6:59 PM
Subject: RE: Primary dummy-loading


> Original poster: "R.E.Burnett by way of Terry Fritz <twftesla-at-uswest-dot-net>"
<R.E.Burnett-at-newcastle.ac.uk>
>
>
> Hi Gary,
>
> > The 120V/500W lamps each have a 29 Ohm hot-resistance, or 58 Ohms for
> > two. So, at least they're in the ballpark.  I could add a 3rd series
> > lamp...
>
> My lamps were 240V devices.  1kW 500mm long,  and I have used up to 5 in
> series when dumping 3-4kW.  Your 2x 120V/500W lamps are probably getting
> hit pretty hard,  so another one or two in series would reduce the peak
> current.  However it amazed me how these lamps seem to take this extreme
> treatment in their stride !
>
> If you plan to do a lot of work with this setup,  and find the brilliant
> light distracting,  you can get these halogen lamps with a "Ruby" glass
> sleeve.  They are used for Infra Red space-heating,  paint-curing etc..
> The sleeve takes out like 90% of the visible light,  leaving only the IR
> to heat your garage ;-)  They do get exceedingly hot though.
>
> Here's a picture of what they look like,  (in case you know a mate in the
> respray business ;-)
>
> http://hot-streamer-dot-com/temp/irlamps.jpg
> Cheers,
>
> -Richie,
>
>
>
>
>