servo wires

Lance Van Nostrand patterndude at comcast.net
Thu Aug 14 20:06:43 AKDT 2003


Keith's procedure is a good one if you need to keep the wires together.
Another reason for twisting them is to allow the ground wire to become a
simple shield from interference.  If this is your goal, you need more than 2
twists per inch.  Rule of thumb is 5 per inch.
--Lance

----- Original Message ----- 
From: "Keith Black" <tkeithb at comcast.net>
To: <discussion at nsrca.org>
Sent: Thursday, August 14, 2003 1:51 PM
Subject: Re: servo wires


> Get good high quality servo extensions (22 gage) and twist them
> independently (in other words not twisted together).
>
> A good way to twist them is to anchor one end on your work bench and twist
> the other end until you have a fairly tight twist, maybe 1 1/2 to 2 turns
> per inch. After twisting anchor the other end so the lead is stretched out
> across you work bench. Get your heat gun and heat the entire length of the
> lead to help "set" the twist. After done heating I'll leave mine anchored
on
> my bench for quite a while (usually hours but that's probably not
> necessary).
>
> When you remove it from the bench it will keep the twist.
>
> I have servos in my stab and needed five foot extensions plus another 6"
> lead to plug into my receiver (receiver is mounted way forward). I twisted
> only the 5' extension. I run the two twisted leads next to each other to
the
> tail and I've had no problems at all. I also run the antenna down the fuse
> but made sure it was on the top of the fuse and the servo leads are
secured
> to the bottom of the fuse. I wanted as much distance between the long
leads
> and the antenna as possible since long leads have been know to interfere
> with the RX. The twisting is supposed to take care of the interference but
I
> think it's still wise to separate them.
>
> Keith Black
>
>
> ----- Original Message -----
> From: "John Crozier" <sjcrozier at comcast.net>
> To: "nsrca discussion" <discussion at nsrca.org>
> Sent: Thursday, August 14, 2003 7:14 AM
> Subject: servo wires
>
>
> > Am I correct that servo leads from the Rx, to servos, mounted in the
tail
> > should be twisted?
> > And not run parallel?...thanx...croz
> >
> >
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> >
>
>
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