[HBR] Coil Forms

[Ed Swynar]

Hi Gang,

In the last line of my post, I met to say "...'manually dextrous'
challenged", and NOT "...'manually dextrous' croed" --- whatever THAT means!

Obviously I'm "...spelling-and-grammatically" (is there even such a word as
"grammatically"...?!) challenged before 8:00 AM on Saturday mornings!

~73~ Eddy VE3CUI - VE3XZ


----- Original Message -----
From: "Ed Swynar" <gswynar at durham.net>
To: "HBR Receiver List" <hbr at mailman.qth.net>; <bjtatum at ev1.net>
Sent: Saturday, September 16, 2006 7:41 AM
Subject: Re: [HBR] Coil Forms


> Hi Byron,
>
> That'll work just fine for you, I'm sure  --- I did the very thing here
some
> time ago with my version of "The Mate for the Mighty Midget" receiver...
>
> Two things:
>
> (1) Do NOT overly tighten/over-torque the mounting screw at the base of
the
> syrene container, on risk of cracking same, and,
>
> (2) Get a sewing needle: heat it in a candle flame, & then use it to make
a
> "pin" hole at the side of the form, where you want your coil to start
(make
> a "handle" for the needle with a few wraps of masking tape --- the body of
> it WILL get hot to the touch!). If you can accurately guage the length of
> the coil BEFORE winding it, you may wish to add a second pin hole further
up
> the styrene body, to that pont. When you feed an excess of wire through
your
> starting pin hole, you won't have to worry about the turns coming loose as
> you're winding the coil...ditto, when you're finished winding the coil. By
> slipping an ample amount of wire through that second pin hole, your turns
> will remain secure and ready for "doping", which in my case amounted to
> nothing more elaborate that two coats of clear nail polish.
>
> The process is cheap, simple, & fairly fool-proof to all but the
> "...manually dextrous" croed! Hi Hi
>
> ~73~ Eddy VE3CUI - VE3XZ
>
>
> ----- Original Message -----
> From: "Byron Tatum" <bjtatum at ev1.net>
> To: "HBR Receiver List" <hbr at mailman.qth.net>
> Sent: Friday, September 15, 2006 9:56 PM
> Subject: [HBR] Coil Forms
>
>
> > Hello-
> >     I was studying using the clear styrene straight-sided jars as coil
> > forms. Wanted to see if anyone had entertained this idea in past?
> >     My thoughts were to drill a hole in the bottom center to mount coil
to
> > chassis, etc. I found the Parkway Plastics website and the 38 MM OD by
> 2.7"
> > tall jar { 1-1/2 OZ. 38 MM jar} looks pretty close to the 1-1/4" OD coil
> > forms specified in a lot of the HBR articles.
> >     I have seen a few Millen coil forms that were very similiar to these
> > plastic jars.
> >     I believe styrene has pretty good RF properties. Anyway, the jars
are
> > cheap, shipping and handling isn't unless you buy a case!
> >                 CUL, Byron.
> >
> >
> > ************************************
> > Visit the HBR Receiver Web Site with over 100 pictures of receivers and
> > construction notes...... via http://www.qsl.net/k5bcq/
> > there is also a mirror (faster response)at http://k5bcq.edebris.com/
> >
> >
> > Retrieve reflector archived data via
> http://mailman.qth.net/mailman/listinfo/hbr
> >
>
>
> ************************************
> Visit the HBR Receiver Web Site with over 100 pictures of receivers and
> construction notes...... via http://www.qsl.net/k5bcq/
> there is also a mirror (faster response)at http://k5bcq.edebris.com/
>
>
> Retrieve reflector archived data via
http://mailman.qth.net/mailman/listinfo/hbr
>