RE: [TCML] HV Transformer Winding

["Jim Mora" <wavetuner@xxxxxxxxx>]

Hi Bart,
Flipping a coil bobbin does not change its winding direction (counter
intuitive). Test it with a spring of scrap piece of wire. Aren't neon
transformers wound in opposite directions (similar core scenario)?
Jim Mora

-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of bartb
Sent: Thursday, April 23, 2009 5:38 PM
To: Tesla Coil Mailing List
Subject: Re: [TCML] HV Transformer Winding

Phil,

I'm in the same boat as Finn here. I'm thinking the windings are wound 
in opposite directions myself, but I'm not certain. I expected that you 
would be winding the secondary coils on individual bobbins at first and 
simply sliding them onto the core (in which case you could just test it 
flipping one of the bobbins). But are you winding the secondary coils on 
the core itself? If so, then Finn's suggestion is certainly the test to 
perform.

Take care,
Bart

Finn Hammer wrote:
> Phil Tuck skrev:
>> I have posted this on the 4hv.org forum, but as I started the project on
>> here I will include it on here as well.
>>
>>  
>>
>>   
> Phil,
>
> I have been thinking long and hard, but everytime I am close to a 
> conclusion, my head starts to explode, and I have to start over.
> So I will advice you to do what I would do myself:
>
> Energize the primary, and make a couple of nice test windings with 
> some of the scrap insulated wire you have stashed away for this purpose.
> You only need some 5-10 turns to settle the matter, really.
>
> Hope this helps,
> Cheers, Finn Hammer
> _______________________________________________
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>
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