[Boatanchors] Winding coils
Duane Fischer, W8DBF
dfischer at usol.com
Mon Jul 7 22:51:15 EDT 2008
Could you compensate by standing on your head while winding the coil,
provided you knew that the polarity was backwards?
----- Original Message -----
From: "Barrie Smith" <barrie at centric.net>
To: "Duane Fischer, W8DBF" <dfischer at usol.com>;
<boatanchors at mailman.qth.net>; "Peter Markavage" <manualman at juno.com>
Sent: Monday, July 07, 2008 10:18 PM
Subject: Re: [Boatanchors] Winding coils
>
> ----- Original Message -----
> From: "Duane Fischer, W8DBF" <dfischer at usol.com>
> To: <boatanchors at mailman.qth.net>; "Peter Markavage" <manualman at juno.com>
> Sent: Monday, July 07, 2008 6:44 PM
> Subject: Re: [Boatanchors] Winding coils
>
>
>>I wonder, which is the proper way to wind a coil form, clockwise or
>>counterclockwise?
>
> It depends upon whether you are North or South of the equator.
>
> 73, Barrie, W7ALW
>>
>> ----- Original Message -----
>> From: "Peter Markavage" <manualman at juno.com>
>> To: <boatanchors at mailman.qth.net>
>> Sent: Monday, July 07, 2008 8:05 PM
>> Subject: Re: [Boatanchors] Winding coils
>>
>>
>>> Maybe it was a web page article first, then a magazine article.
>>>
>>> Pete
>>>
>>> On Mon, 7 Jul 2008 18:58:03 -0400 "Carl" <km1h at jeremy.mv.com> writes:
>>>> Being a magazine article I wouldnt have expected it to be on a web
>>>> page.
>>>>
>>>> Anyway, its fairly interesting but I wouldnt use nylon at RF except
>>>> for low
>>>> power maybe.
>>>>
>>>> Id use polystyrene rods.
>>>>
>>>> Another idea is to use a metal pipe wrapped in wax paper, install
>>>> the
>>>> notched polystyrene rods as in the article and apply an AC voltage
>>>> thru a
>>>> Variac to the wire ends. Use just enough voltage to set the wire in
>>>> the
>>>> softened rods and secure with polystyrene glue. PVC pipe MAY be
>>>> sufficient,
>>>> experiment.
>>>>
>>>> Sort of like building a hot knife to cut foam concept.
>>>>
>>>> Carl
>>>> KM1H
>>> _______________________________________________
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>>
>> _______________________________________________
>>
>>
>
>
> _______________________________________________
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