Twisted DSAB

[PRose]

I'm planning the wiring on my 9A for both P and R servos.  I see in the instructions that the DSAB wires should be a twisted pair.  Does anyone know of a source for a cable that has twisted pairs or does one just twist?

Thanks

Paul
RV-9A

 

[Brantel]

On a similar question..

Will Stein's pretwisted servo wire bundle http://www.steinair.com/images/store/servowire2.jpg work for the AP wire runs?  It is not true twisted pair but instead is 2/20ga wires twisted together with 5/22ga wires.  Will the power wires bundled and twisted with the DSAB wires cause a problem?

 

[DBRV10]

The twisted pair should handle the other power and disconnect in the same bundle. The reason for using twisted pair is for common mode rejection.

You can buy this http://www.aircraftspruce.com/catalog/elpages/shieldwire.php however I am not sure if this is STP or not. I can not imagine why it would be two parallel conductors shielded, but it would be worth checking.

Anybody know if it is?

DB

 

[dynonsupport]

DSAB is pretty robust. Anything that keeps the two wires in close proximity should work fine. Bundled with other wires is also fine.

 

[PRose]

Okay then, thanks. I have plenty of the "Stein" servo wire so I'll use that.

Paul

 

[MauiLvrs]

DSAB is pretty robust. Anything that keeps the two wires in close proximity should work fine. Bundled with other wires is also fine.

So, as long as it is a twisted pair, there is no reason to run it with shielded wire?
Thanks,
Dave

 

[dynonsupport]

Won't hurt, but shielded wire is not a requirement or much of a help.