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Re: Antw: Re: Bundling of coax cables

Subject: Re: Antw: Re: Bundling of coax cables
From: Dave Simpson <davesimpson@londonweb.net>
Date: Thu, 7 Feb 2002 18:31:06
Tony,

I was thinking about listening to it rather than transmitting on it - that's
possible, even likely, on the approach I think.

Also make sure you have an adequate working voltage, with a bit of a margin,
on the cap.  25 vdc should do it.

Dave
----- Original Message -----
From: Tony Krzyzewski <tonyk@kaon.co.nz>
Subject: Re: Antw: Re:  Bundling of coax cables


>   There is a risk that the elevator trim supply could
> > generate noise from the little motor
>
> A 0.1uF ceramic capacitor fitted across the power feed to the trim motor
helps
> cut down a lot of the motor noise (which is why capacitors are fitted
across
> the poles of the 914's fuel pumps and on model railway loco motors). The
> capacitor should be fitted as close as practical to the trim motor.
>
> Of course the only time that trim motor noise could be a problem would be
if
> you were using the radio at the same time as trimming the aircraft so it's
> probably not going to be a big issue!
>
> Tony
>



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