REFLECTOR: Intercom noise

[aminetech at bluefrog.com]

--- michalk at awpi.com wrote:

From: Brian Michalk <michalk at awpi.com>
To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
Subject: Re: REFLECTOR: Intercom noise
Date: Fri, 07 Jan 2011 18:34:56 -0600

Good news!  Can you test run it in this configuration?

No, I don't have a cover for the mag opening.  I suppose I could remove the drive gear, but I'm confident that the mag is the problem.


I really think a filter is putting lipstick on a pig.  There is probably 
a bad connection somewhere that will only be a problem later on.

Hmm.  A friend once had intercom noise on his Cessna and it was a loose wire cap.

If it's really the mag, check your wires, and also check your plugs.  
Try swapping out with a different set of plugs.
I have the pricey fine wire plugs.  Performance wise, I think they're in great shape.

  Do you have another 
plug wire assembly that you could try?  They are pretty simple to make 
yourself.

Can I make it using the ends from the existing wires?

On 01/07/2011 06:02 PM, aminetech at bluefrog.com wrote:
> I think the mag is the source of the noise.  Today I removed it and cranked the engine without starting.  I had the intercom at max vol and not one crackle.  It's a slick mag.  I have a set of used Bendix mags and I'm thinking of putting one of them on.  I'll have to get new plugs as the connector is a larger size.  Maybe I can use my existing wires.  The Bendix mags have a noise filter on them.  Could I try it on the Slick?
>
> John
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