Hello Phillip,
first I must say that I find your big coil very cool!
I had to consult google first after delrin. As I understand it is called POM, polyamid or nylon.
I work with polyamid occasionally in my machines. For a RSG rotor I tend rather to pertinax (phenoplast or tufnol) or G-11.
Polyamid is usually very soft. There are also various hardships. If it's a hard version, it should be possible for a rotor.
I use mostly 3000RPM sync gaps. My flying electrodes are not very hot. That's why I thermally no great request to the disk material.
About the temperature of the flying electrodes one arsg I can say unfortunately nothing. Probably the flying electrodes are even hotter?!
Greets, Arne
> Gesendet: Sonntag, 24. November 2013 um 23:10 Uhr
> Von: "Phillip Strauss" <pstrauss1947@xxxxxxxxx>
> An: tesla@xxxxxxxxxx
> Betreff: [TCML] Re. Rotor material
>
>
> Hello all,
> I have made rotors from various grades of Tufnol and G10.
> Although I wouldn't normally dream of using a thermoplastic, some research into acetal (Delrin) suggests that apart from being an excellent insulator and easily machined it has a high melting point and is very rigid.
> Any thoughts from the list greatly appreciated,
> Regards.
> Phillip.
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