[Amps] Nylon in RF Tank Circuits

[Andy GD0TEP]

I have nylon spacer bars in C1 & C2 in my commercial made GS35b amp, (4 in each cap) and every one of them shows signs of heat stress (melting & burning) I'll swap them out one day for PTFE, but haven't got there yet...

73
Andy
http://gd0tep.com
 

-----Original Message-----
From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of MU 4CX250B
Sent: 07 June 2019 22:53
To: amps at contesting.com
Subject: [Amps] Nylon in RF Tank Circuits

For decades I’ve avoided using nylon hardware in the vicinity of an RF
tank circuit because I believed nylon was prone to absorbing RF and
burning. I don’t know how or when I came to learn this information,
but now I’m wondering if I’m wrong. Normally I use  brass hardware.
Had anyone else heard this caution?
Tnx,
Jim W8ZR
Sent from my iPhone
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