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Re: Secondary coil form questions (fwd)





---------- Forwarded message ----------
Date: Fri, 21 Feb 1997 14:42:38 -0800
From: Bert Hickman <bert.hickman@aquila.com>
To: Tesla List <mod1@poodle.pupman.com>
Subject: Re: Secondary coil form questions (fwd)

Tesla List wrote:
> 
> ---------- Forwarded message ----------
> Date: Wed, 19 Feb 1997 22:18:41 -0700
> From: Tesla List <tesla@pupman.com>
> To: testla@pupman.com
> Subject: Re: Secondary coil form questions
> 
> Subscriber: rhull@richmond.infi.net Wed Feb 19 22:05:53 1997
> Date: Wed, 19 Feb 1997 19:26:50 -0500 (EST)
> From: richard hull <rhull@richmond.infi.net>
> To: tesla@pupman.com
> Subject: Re: Secondary coil form questions
> 
> snip
> >
> >BTW, I did wind the secondaries on my twin in opposite directions, but
> >it is not necessary. A classic horizontal half wave coil's secondary is
> >wound in one direction, as is the primary, and they fire from one end to
> >the other just fine, right? A half wave twin coil is nothing more than a
> >horizontal coil that has been split in half and stood up on end. I just
> >had to mention this, I didn't see it come up in any of the posts.
> >
> >Happy twin coiling,
> >
> >Ed Wingate
> >
> >Ed,
> 
> Good thing you wound your coils in opposite directions or they would not
> have worked as well as they do!
> 
> Think about this.  In a simple half wave coil which shares a common primary,
> the coil halves are, indeed, wound in opposite directions relative to the
> single primary, even thought the coil is actually wound in one direction
> only when viewed from any end.
> 
> With Ed's system there are two primaries which share a common tank circuit.
> assuming the primarys are wound in the same relative direction, the
> secondaries would have to be wound oppositely to get maximum leap between
> the pair!  (phasing).  The bottom line is one of the major coil windings,
> primary or secondary ought to be reversed to get true half wave action.
> 
> I think I'm right on this one.
> 
> Richard Hull, TCBOR


Richard & Ed,

Couldn't you just reverse the phasing on one of the primaries instead if
this was a problem?

-- Bert --