Xfmr and Choke Rewinding

[Brian Carling]

If someone wants to do a comprehensive write up on this subject, I
will be glad to post it on the web for all to see and use!

Bry

On 14 Jan 98 at 8:29, EWoodman wrote:

> I've had an old aircraft battery charger kicking around for a few years. I
> finally
> decided to tear into it and see if I could salvage any goodies. What I've got
> is a 56V CT 40 Amp (that's right 40 amps!) power transformer and a BIG filter
> choke. Now seeing as both of these are open frame construction, it seems to me
> that I should be able to do some rewinding.  I'd like to rewind the secondary
> on the power transformer into a hefty center tapped filament transformer and
> strip the core and rewind the choke to use as modulation reactor (large value
> choke) for Heising modulation.  I've never done this before but have read in
> several old books that it isn't that difficult (or so they say!).  Anyone have
> any pointers before I dig in and screw something up?
> (Such as type of wire, material to use between winding layers, etc.) Or should
> I just give up and find someone who can use them as is for some project before
> I ruin them?
>
> Tnx and 73   Eric  KA1YRV
>
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****************************************************
*** 73 from Radio AF4K/G3XLQ Gaithersburg, MD USA  *
**  E-mail to:  bry at mnsinc.com                     *
*** ICQ 6124470  ***
**  http://www.mnsinc.com/bry/                     *
****************************************************
AM International #1024, TENTEN #13582. GRID FM19. Using a SWAN 250 on 6m,
Other rigs: Valiant, DX-60/HG-10, FT-840, TM-261A, Ameco TX-62, Gonset Comm. III
TEN-TEN #13582, DXCC #17,763 Bicentennial WAS

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