Mailing List flyrotary@lancaironline.net Message #31090
From: Joe Hull <joeh@pilgrimtech.com>
Subject: RE: [FlyRotary] Icom radio saga
Date: Sat, 8 Apr 2006 21:35:32 -0700
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
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Undecoded Message

Thanx George.  I’ll check that out. I know it’s shielded from the PTT switch to within about 8” of the intercom – but not shielded from there to & through the intercom and then out to the radio.

 

ThanxAgain,

Joe Hull

Cozy Mk-IV #991 (Done Building! In Phase1 Flight Test - 0 hrs flown)

Redmond (Seattle), Washington

 

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of George Graham
Sent: Saturday, April 08, 2006 8:36 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Icom radio saga

 

Joe,

I had the exact same problem on my EZ, after installing that radio.
It seems that the PTT and the mic share a common ground pin.
I had used sheilded wire for the microphone, but not the ptt.

I rewired the ptt using a sheilded cable and that solved the problem.

Good luck,


George Graham
Mazda Rx7ez N4449E
Sarasota Florida -SRQ

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