Sorry .
Fat fingers .
What do I do ?
Forget the fourth wire ?
73
AG6CX
Sent from my iPhone
> On Mar 22, 2014, at 9:45 PM, Edward McCann <edwmccann@yahoo.com> wrote:
>
> So I make three twisted pairs with the drill.
> I have four wires .
> Do I need four twisted pairs?
> Or what ?
> Forget th
>
>
> Sent from my iPhone
>
>>> On Mar 22, 2014, at 6:18 PM, Jim Brown <jim@audiosystemsgroup.com> wrote:
>>>
>>> On 3/22/2014 4:30 PM, ac2ev wrote:
>>> Well it turns out the simplest solution was the best. I
>>> Replaced the four wires that went from the controller board to the motor
>>> with a single 4-conductor shielded wire.
>>
>> Thanks for the report, Don. Another simple solution that would have worked
>> is to use three twisted pairs, one for each phase. It's easy to make twisted
>> pair by cutting two conductors a bit longer than you need length, clamping
>> one end of both down to a nail or bench vise, sticking the two conductors in
>> a drill, and running the drill a while at low speed.
>>
>> Few people realize that twisting is as effective as shielding up to pretty
>> high frequencies, and far superior to shielding at low frequencies (audio).
>>
>> 73, Jim K9YC
>> _______________________________________________
>> RFI mailing list
>> RFI@contesting.com
>> http://lists.contesting.com/mailman/listinfo/rfi
> _______________________________________________
> RFI mailing list
> RFI@contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
_______________________________________________
RFI mailing list
RFI@contesting.com
http://lists.contesting.com/mailman/listinfo/rfi
|