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Re: Coupling variance method



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
>
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