G McNeil wrote:
>
>Can I re-post this for comment from more experienced builders ??
>It seems OK, but maybe I'm missing something 12/09/01
>
>
>
>To add further to the debate...which I might add is very interesting and
>informative, what is the general opinion in using a replacement jug element
>??
>
>To elaborate, down here in VK land, we have jugs ( kettle's, urns etc) that
>use a wirewound element on a ceramic former. They are rated at 240v,
>1600watt and cost about $3.50 AUD. They measure about 40 ohms and consist of
>a length of nichrome (??) spiral wire wound on a ceramic former that is
>about 55mm long, 30mm wide and about 5mm thick. It comes with two long
>stainless steel rods fitted that allow it to be mounted in the jug, but
>these are easily removed and you end up with a 40 ohm wirewound resistor on
>a ceramic former. The whole thing is obviously exposed but can be easily
>mounted on standoff insulators inside a supply.
>
>Is this thing useable as a glitch resistor ??
>
At a guess, it's much too short to avoid the risk of arcing from turn to
turn when the full HV appears across it. Long and thin is what's needed
here.
73 from Ian G3SEK Editor, 'The VHF/UHF DX Book'
'In Practice' columnist for RadCom (RSGB)
http://www.ifwtech.com/g3sek
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