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1. [Amps] Roller Inductor specs (score: 1): Author: Dennis Wade <sacramento.cyclist@gmail.com>; Date: Sun, 15 Feb 2009 11:07:42 -0800; Good morning, Could someone look at Ebay item 110349006314 , and tell me what they might know about what piece of equipment this roller came from, power level it was used at, etc. I have three of the; /archives//html/Amps/2009-02/msg00477.html (7,486 bytes)
2. Re: [Amps] Roller Inductor specs (score: 1): Author: "Edward Swynar" <gswynar@durham.net>; Date: Sun, 15 Feb 2009 14:13:11 -0500; Hi Dennis, That's a new one on me here, and I've seen my share over the years, too, certainly...! It looks like a really good buy: although he seller doesn't specifically show it, as such, it APPEARS; /archives//html/Amps/2009-02/msg00478.html (8,767 bytes)
3. Re: [Amps] Roller Inductor specs (score: 1): Author: John Page <k4kwm@hotmail.com>; Date: Sun, 15 Feb 2009 19:17:38 +0000; That is from BC-375 transmitter.John Page K4KWM Hollow State since 1953 (ex W8PKU,N8BLB,NA8O)> From: gswynar@durham.net> To: sacramento.cyclist@gmail.com; amps@contesting.com> Date: Sun, 15 Feb 2009; /archives//html/Amps/2009-02/msg00479.html (9,729 bytes)
4. Re: [Amps] Roller Inductor specs (score: 1): Author: Karl-Arne Markström <sm0aom@telia.com>; Date: Sun, 15 Feb 2009 20:22:13 +0100; This is the roller inductor from the BC-375 airborne transmitter. If memory serves me right it is about 18 uH inductance with an approx. 5 ampere RF current rating. 73/ Karl-Arne SM0AOM -- No virus f; /archives//html/Amps/2009-02/msg00481.html (8,364 bytes)
5. Re: [Amps] Roller Inductor specs (score: 1): Author: Dennis Wade <sacramento.cyclist@gmail.com>; Date: Sun, 15 Feb 2009 21:20:49 -0800; Thank you all for the replies. I'm still curious what power level a 5 amp rated (as Karl suggests) inductor would be appropriate to use in. A simplistic I squared R calculation yeilds over a KW at 50; /archives//html/Amps/2009-02/msg00489.html (8,980 bytes)
6. Re: [Amps] Roller Inductor specs (score: 1): Author: Karl-Arne Markström <sm0aom@telia.com>; Date: Mon, 16 Feb 2009 09:09:50 +0100 (CET); On a "sunny day" the BC-375 put out about 60 - 100 W CW or AM carrier. The roller inductor was part of a matching network that series-tuned the aircraft wire antennas at the lower HF frequencies. Rat; /archives//html/Amps/2009-02/msg00490.html (10,186 bytes)
7. Re: [Amps] Roller Inductor specs (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Mon, 16 Feb 2009 10:34:10 -0500; The BC-375 was rated at a nominal 100W output as per the Army but hams routinely ran them up to 250W or so when 211's were dirt cheap. Power was frequency limited due to the archaic 1929 tube design.; /archives//html/Amps/2009-02/msg00504.html (11,506 bytes)

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