Re: Coupling variance method

To: tesla-at-pupman-dot-com
Subject: Re: Coupling variance method
From: "Steve Cook" <Steve-at-g8cyerichmond.freeserve.co.uk> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
Date: Wed, 08 Dec 1999 18:39:50 -0700
Approved: twftesla-at-uswest-dot-net
Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Yes, it used to be done in the earlier days of radio, to form tuneable
inductances, they called it a variometer.
----- Original Message -----
From: Tesla List <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Wednesday, December 08, 1999 1:15 PM
Subject: Coupling variance method


> Original Poster: Grayson B Dietrich <electrofire-at-juno-dot-com>
>
> Hello, All
>
> Can the coupling between two cylindrical coils be adjusted by rotating
> one or both on thier minor axes?
>
> This question ocurred to me when pondering a "magnifier" type VTTC, with
> separate grid, plate, output and "free resonator" coils. The output and
> grid coils would be placed within a large diameter plate coil, and each
> one would be rotated so as to change the angle between thier magnetic
> fields.
>
> Would this be a viable means of adjusting coupling?
>
> thanks,
>
>
> Grayson Dietrich
> http://www.electrophile.8m-dot-com
>
> ___________________________________________________________________
> Why pay more to get Web access?
> Try Juno for FREE -- then it's just $9.95/month if you act NOW!
> Get your free software today: http://dl.www.juno-dot-com/dynoget/tagj.
>
>
>