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[TCML] Re: 28 Inch BP



Hi all,

Some more details of my future someday...for me.

Even though right now, I am working on finally finalizing my 304 VTTC into
an enclosure getting it off the single board it is on...I am running
through my head the initial basics of the coils including feedback of a BP
version VTTC, since I am mainly a tube guy :^)

I will be doing, regular helical primary and feedback, which is coupled
tighter of course, since I will be much lower primary voltage potentials
being tube based.

And well...even though not necessary...I just have to do dual tubes to give
everything a "balanced" look of course :^)

I will be following with interest myself on some more details as they come
on things I can not figure in my head right now.

Chris Reeland
Ladd Illinois USA

Sent from my Samsung Galaxy Tab® S

On Fri, Apr 23, 2021, 6:39 AM Adam James <adamjamesarmy60@xxxxxxxxx> wrote:

> Hi Doug,
> I'm with Chris, and the others, the BP coil looks and runs great. I am
> very interested in building one. Perhaps you could help me with some
> information on the coil. Why the pancake primary? Other aspects. would also
> be helpful. Thank you in advance for any help you can provide.
> Adam J.
>
> On Thu, Apr 22, 2021 at 11:00 PM Chris Reeland <chrisreeland@xxxxxxxxx>
> wrote:
>
>> Hi Doug,
>>
>> Looks and runs great. I really find these BP's interesting. Going to have
>> to do one someday... :^)
>>
>> Chris Reeland
>> Ladd Illinois USA
>>
>> Sent from my Samsung Galaxy Tab® S
>>
>> On Thu, Apr 22, 2021, 3:53 PM Tim Flood <tfloodrr@xxxxxxxxx> wrote:
>>
>> > Nice job, Doug.
>> >
>> > Tim
>> >
>> > On Thu, Apr 22, 2021 at 2:11 PM Douglas Johnson <doug379306@xxxxxxxxx>
>> > wrote:
>> >
>> > > https://www.youtube.com/watch?v=l_mekapEjeA
>> > > This is the 28 inch Bipolar with a 12/60 NST. The flashing on the
>> > secondary
>> > > is a reflection, altho if I run the Vairac over 120V there is some
>> > sparking
>> > > near the primary
>> > > Doug
>> > > _______________________________________________
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