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These radios drop approximately 40 cycles on TX.? This is annoying in modern times. This drop happens in ALL modes.? I isolated the VFO from the radio and found the issue is the VFO itself. It's not

DonDid you try the URL I sent a few hours ago?Jim Logic: Method used to arrive at the wrong conclusion, with confidence.? Murphy

Ditto here Sent: Thursday, May 2, 2024 2:00 AM To: [email protected] Subject: Re: [HallicraftersRadios] Sprague capacitors variants Can't get this to load. Tried both Firefox and Edge

Latest update to the "Vintage Tubular Capacitor" article can be found here:http://crasno.ca/articles/capdielectrics.htm An overview of what Mr. Acorn has published can be found here:http://crasno.caHe

Got it, thank you. Boy, Sprague made a lot of capacitors. -- Richard Knoppow Los Angeles WB6KBL SKCC 19998

Copy the URL then go to the wayback machine and enter the copied address.? Click on the most current save then open the address.Jim Logic: Method used to arrive at the wrong conclusion, with

Can't get this to load. Tried both Firefox and Edge -- Richard Knoppow Los Angeles WB6KBL SKCC 19998

Very nice, thank you!Regards,Jim Logic: Method used to arrive at the wrong conclusion, with confidence.? Murphy

There is a most interesting online document written by a Jesse Acorn about “Vintage Tubular Capacitors: Paper or Polymer?” at https://crasno.ca/articles/capdielectrics.htm. Included is a table of

Re signatures A long time back this is how I managed to get an auto signature. That signature box was not obvious to me when it was empty, so maybe others have the same problem… image here: Sent:

Not to complicate matters but Bakelite is manufactured with both heat and pressure.? The maximum heat needed is well above that needed to boil water, typically about 150 deg C or 302 deg F per the

Hello: It has been forever, a few more projects jumped ahead of the SX101 MK3. Question about the 50.5Khz alignment. Is the HP-651B Signal Generator suitable for this job ? Also have an HP-8640B but

Hi ” Wekemp” (it can be good that you sign your postings, btw…) I did not suggested that the Sprague caps were heated after the phenolic molding process. Only the pressure drop was enable to do

Yes, producer of some of the industry’s worst electrolytic capacitors. During college, I was the Chief Engineer for our local AM/FM broadcast stations. The FM station’s control room console was a

Interesting stuff and thoughts on Sprague Caps. My comment on the report about the water removal from inside Sprague Black Beauty caps as being “boiled” out of the capacitor body after molding as

Thank you so much. Thats exactly what I need. This is not a wire wound version. Going to stay with what was installed.

It could explain why the windings of the caps I took apart were so distorted. Steam pressure. Why did they do this? Perhaps to leave a void for the oil. By eyelet I think they mean the hollow tube at

Hi all, Following the address provided by Richard, I read, then downloaded the article and edited it before conversion in a .pdf. See attached. What scares me the most in it is the description of the

Well done! Logic: Method used to arrive at the wrong conclusion, with confidence.? Murphy

Suggest you try Digitkey part number RV4N103C-ND which is made by Precision Electronics Corp manufacturer number RV4NAYSD103A. This is for a carbon resistance element. If you want a wire wound pot