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Total 12 documents matching your query.

1. [Amps] Forms for air wound coils (score: 1): Author: Gudguyham@aol.com; Date: Mon, 23 Jul 2012 16:38:22 -0400 (EDT); Other than ceramic, can anything else be used as a coil form? Heathkit used a fiberglass form in the SB-220. At least I think it was fiberglass. Seems to have worked OK. Dentron used what looks to be; /archives//html/Amps/2012-07/msg00243.html (6,603 bytes)
2. Re: [Amps] Forms for air wound coils (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Mon, 23 Jul 2012 17:13:35 -0400; You didn't say how you are going to use this so I don't know what temps will be involved. There are many every day items that can be used, but some, or many do not handle elevated temperatures well.; /archives//html/Amps/2012-07/msg00244.html (8,783 bytes)
3. Re: [Amps] Forms for air wound coils (score: 1): Author: "k7fm" <k7fm@teleport.com>; Date: Mon, 23 Jul 2012 14:29:07 -0700; "Other than ceramic, can anything else be used as a coil form?" I just built a TNT transmitter (Tuned plate Not Tuned grid), using a type 10 tube. The coil form is 3 oak dowels I turned on my lathe.; /archives//html/Amps/2012-07/msg00246.html (7,867 bytes)
4. Re: [Amps] Forms for air wound coils (score: 1): Author: Gudguyham@aol.com; Date: Mon, 23 Jul 2012 17:36:32 -0400 (EDT); "Other than ceramic, can anything else be used as a coil form?" I just built a TNT transmitter (Tuned plate Not Tuned grid), using a type 10 tube. The coil form is 3 oak dowels I turned on my lathe.; /archives//html/Amps/2012-07/msg00247.html (7,704 bytes)
5. Re: [Amps] Forms for air wound coils (score: 1): Author: Gudguyham@aol.com; Date: Mon, 23 Jul 2012 17:48:15 -0400 (EDT); Roger, I used to use white PVC to make chimneys for my GS-35B amps. They worked for me but customers would hammer the amps and the PVC would burn and bubble. The usage I am looking for is a form to w; /archives//html/Amps/2012-07/msg00248.html (9,306 bytes)
6. Re: [Amps] Forms for air wound coils (score: 1): Author: "Jerry Kaidor" <jerry@tr2.com>; Date: Mon, 23 Jul 2012 17:11:52 -0700 (PDT); I once wound a plate choke on a pyrex test tube.... - Jerry Kaidor _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/a; /archives//html/Amps/2012-07/msg00249.html (7,387 bytes)
7. Re: [Amps] Forms for air wound coils (score: 1): Author: ToddRoberts2001@aol.com; Date: Mon, 23 Jul 2012 20:25:04 -0400 (EDT); Other than ceramic, can anything else be used as a coil form? Heathkit used a fiberglass form in the SB-220. At least I think it was fiberglass. Seems to have worked OK. Dentron used what looks to be; /archives//html/Amps/2012-07/msg00250.html (8,747 bytes)
8. Re: [Amps] Forms for air wound coils (score: 1): Author: Larry Benko <xxw0qe@comcast.net>; Date: Mon, 23 Jul 2012 19:56:23 -0600; Looking at the continuous air service temperatures for common plastics shows Teflon = 500F and PEEK = 480F and amazingly Polycarbonate (Lexan) = 475F. I usually use PEEK as I can get scraps from a lo; /archives//html/Amps/2012-07/msg00251.html (8,698 bytes)
9. Re: [Amps] Forms for air wound coils (score: 1): Author: "Roger (K8RI)" <k8ri@rogerhalstead.com>; Date: Mon, 23 Jul 2012 23:48:12 -0400; To me an air wound coil is not left on the form, and many not even be wound on a form. I say that as I used to wind (by hand) both pancake and solenoid air core coils to handle up to 30 or 40 Kw. I d; /archives//html/Amps/2012-07/msg00253.html (9,513 bytes)
10. Re: [Amps] Forms for air wound coils (score: 1): Author: Robert Mccormack <zl1aih@xtra.co.nz>; Date: Tue, 24 Jul 2012 18:43:38 +1200 (NZST); wine bottle and use that as a coil form. It will add class to the rig.> Depends on the 'Q' of the wine. <G> 73, Ken ZL1AIH _______________________________________________ Amps mailing list Amps@cont; /archives//html/Amps/2012-07/msg00254.html (7,871 bytes)
11. [Amps] Forms for air wound coils (score: 1): Author: Mike Short <mike.short@mchsi.com>; Date: Tue, 24 Jul 2012 09:42:57 -0500; My son sells rocket supplies, and has access to many sizes of phenolic and fiberglass tubing. www.csrocketry.com. Mike AI4NS _______________________________________________ Amps mailing list Amps@con; /archives//html/Amps/2012-07/msg00256.html (8,059 bytes)
12. [Amps] Forms for air wound coils (score: 1): Author: "Phil & Debbie Salas" <dpsalas@tx.rr.com>; Date: Tue, 24 Jul 2012 16:53:45 -0500; Phil - AD5X _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2012-07/msg00264.html (6,422 bytes)

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