[Elecraft] Elecraft K2 Bifilar Windings

Ted Turk tedg7bqm at fastnet.co.uk
Fri Feb 12 03:30:43 EST 2010


David and all,

I do the same thing with the addition of using a couple of turns of  
masking tape each end to prevent slipping while clamping and  
inserting into chuck.

73,

Ted G7BQM

On 12 Feb 2010, at 03:06, David Robertson wrote:

> I used this trick to evenly twist wires together for bifilar winding;
>
> 1, Trim the wire so both are the same length.
>
> 2, Clamp one end of the wires in a vice or have someone hold them  
> with a pair of pliers.
>
> 3, Clamp the other end of the wires into a chuck of an electric  
> drill (variable speed).
>
> 4, While holding the wire tight start the drill at slow speed and  
> the wires will twist evenly.
>
> 73
> Dave KD1NA
>





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