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1. [TenTec] 238 caps (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Tue, 29 Dec 2009 17:53:42 -0600; Instead of doing the tuner cap mod with doorknobs why not simply use higher v. disk ceramics? Mouser has 8 KV 470 pF for around 50 cents each. You can get four 100 pF 10 KV caps and string them toget; /archives//html/TenTec/2009-12/msg00246.html (7,155 bytes)
2. Re: [TenTec] 238 caps (score: 1): Author: "Ron Castro" <ronc@sonic.net>; Date: Tue, 29 Dec 2009 15:59:08 -0800; http://n6ie.com/Ten_Tec_238.html Ron N6IE www.N6IE.com _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec; /archives//html/TenTec/2009-12/msg00247.html (8,906 bytes)
3. Re: [TenTec] 238 caps (score: 1): Author: "Jim Brown K9YC" <k9yc@audiosystemsgroup.com>; Date: Tue, 29 Dec 2009 16:03:15 -0800; If I'm not mistaken, the primary failure mode is heating due to excessive dissipation (i.e., equivalent series resistance), not voltage breakdown. 73, Jim K9YC _______________________________________; /archives//html/TenTec/2009-12/msg00248.html (7,092 bytes)
4. Re: [TenTec] 238 caps (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Tue, 29 Dec 2009 19:23:45 -0600; I get it now, thanks Ron and Jim. I have not observed any trouble with mine yet but I use it to tune my inverted L on 160 when I run a 250 w. carrier there. some of my transmissions get uh, relativel; /archives//html/TenTec/2009-12/msg00253.html (7,499 bytes)
5. Re: [TenTec] 238 caps (score: 1): Author: John McAlpine IV <kz4b@hotmail.com>; Date: Tue, 29 Dec 2009 23:31:17 -0500; I have two Model 238 and two older Model 229 (electrically identical to 238 but earlier cosmetic design) TT Tuners to go with my two legal limit TITAN 1 (425)'s and two Ameritron AL1500 Linears that; /archives//html/TenTec/2009-12/msg00254.html (9,935 bytes)
6. Re: [TenTec] 238 caps (score: 1): Author: "Ron Castro" <ronc@sonic.net>; Date: Tue, 29 Dec 2009 21:13:01 -0800; If you do a search on e-bay for "capacitor doorknob" and you'll be surprised at the values you find. I'm looking at one right now with 5 of the same capacitors I used for $24.50 "Buy it now" price. H; /archives//html/TenTec/2009-12/msg00256.html (11,749 bytes)
7. Re: [TenTec] 238 caps (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Tue, 29 Dec 2009 23:36:44 -0600; Right John, I got lucky and scored around a dozen or more a few years ago, 500 and 250 pF CRLs at 20 and 30 KV for around $2 each at a hamfest. Some went into a hb tuner I have. (Well, a severely mod; /archives//html/TenTec/2009-12/msg00257.html (9,216 bytes)

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