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Re: Off-axis primary inductance



In a message dated 12/3/98 12:42:53 AM Mountain Standard Time,
tesla-at-pupman-dot-com writes:

> Use a variometer (goniometer) coil to tune a high current circuit.  A
>  variometer can be made with a coil inside another coil.  one of the coils
is
>  gimballed so it can rotate to aid or oppose the other.  As the movable
>  coil's axis is rotated 180 deg, the total inductance smoothly varies from
>  max to min.  
Will,
   This sounds like a cool idea too.  Do you have any pictures of such a
device?
Mike