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Re: No Subject
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To: tesla@grendel.objinc.com
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Subject: Re: No Subject
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From: Esondrmn@aol.com
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Date: Wed, 14 Feb 1996 11:43:12 -0500
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>Received: from emout04.mail.aol.com (emout04.mail.aol.com [198.81.10.12]) by uucp-1.csn.net (8.6.12/8.6.12) with ESMTP id JAA26962 for <tesla@grendel.objinc.com>; Wed, 14 Feb 1996 09:43:42 -0700
In a message dated 96-02-13 14:15:03 EST, tesla@grendel.objinc.com writes:
>To: tesla@objinc.com
>
>>
>>Secondary Coil:
>>
>>The size of the secondary is based upon the size of my torroid.
>>According to the TESLAC program, I need 1800 - 4000 watts to drive
>>this properly. This program assumes that I use a helix that is
>>8" - 12" in diameter. According to the TCBA article written by
>>Richard Hull, that diameter is too big. My thoughts are that I should
>>use a 6" diameter form that is 15" in length. Does this sound okay?
>>
>>Also, I have heard that gray PVC pipe is reasonable for a coil form...?
>>
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>PVC is lossy and not recommended.
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>
Dan,
Many of us are using pvc forms for secondaries. I have 5 - 6 coats of
polyurethane over the bare pvc form and another 5 - 6 coats over the
windings. The coil works great. If I had the money, I would have bought
acrylic - but I certainly am not unhappy with the performance of my
secondary.
Ed Sonderman