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Old 1st Mar 2021, 6:16 pm   #211
Travellingwave
Pentode
 
Join Date: Jan 2021
Location: York, North Yorkshire, UK
Posts: 155
Default Re: My first telly TV22

Hi Helder
I think there may have been two faults , one at the end of the final layer and one in the center of the final layer.

My impression is that the white spirit hadn’t reached into the center of the windings. The winding when originally done seems to have had molten wax brushed on ( I’m guessing) so my impression is of an homogenous mixture of wire/paper/wax and no smell of white spirit.

I’m pretty sure that white spirit/varnish would help with reinforcing the insulation at the ends of the windings which is probably where most faults would occur.

As for the thickness , I am probably measuring wax and paper , the paper/wax has the impression of the wire embossed into it , so the actual paper may well be thinner
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