X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 22 Feb 2014 15:19:46 -0500 Message-ID: X-Original-Return-Path: Received: from rc1-smtp.comporium.net ([208.104.2.18] verified) by logan.com (CommuniGate Pro SMTP 6.0.8) with ESMTP id 6744631 for lml@lancaironline.net; Sat, 22 Feb 2014 10:15:32 -0500 Received-SPF: pass receiver=logan.com; client-ip=208.104.2.18; envelope-from=snopercod@comporium.net Received: from rg20.comporium.net ([208.104.244.60]) by rc1-smtp.comporium.net ({6ef86d1c-fcb7-4b71-ab61-5707d6041926}) via TCP (outbound) with ESMTP id 20140222151454392 for ; Sat, 22 Feb 2014 15:14:54 +0000 X-RC-FROM: X-RC-RCPT: Received: from 33.225.235.68.dsl.brvdnc.dynamic.citcom.Net (EHLO _127.0.0.1_) ([68.235.225.33]) by rg20.comporium.net (MOS 4.3.4-GA FastPath queued) with ESMTP id DAN49406 (AUTH snopercod); Sat, 22 Feb 2014 10:14:53 -0500 (EST) X-Original-Message-ID: <5308BEE5.4040305@comporium.net> X-Original-Date: Sat, 22 Feb 2014 10:14:45 -0500 From: John Cooper User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 MIME-Version: 1.0 X-Original-To: Lancair Mailing List Subject: Re: WX-500 References: In-Reply-To: Content-Type: multipart/alternative; boundary="------------000803080200020207080203" X-MAG-OUTBOUND: comporium.redcondor.net@208.104.244.48/28 This is a multi-part message in MIME format. --------------000803080200020207080203 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit I solved a noise problem with my late friend Clarence Grubbs' 69CG Stormscope once which may be of help here. Whenever he would change the pitch on his MT prop, a N-S line of "hits" would appear on his Stormscope. To determine whether the noise was radiated or was coming through the 12V bus, I used an external 12V battery to power the MT prop. In that mode, the spurious "hits" disappeared, demonstrating that the noise was indeed coming through the 12V power. To solve the problem, I put a large choke and capacitor in the power lead to the MT prop. Problem solved. Good luck-- --John On 2/22/2014 6:00 AM, Lancair Mailing List wrote: > Subject: > WX-500 > From: > "Greenbacks, UnLtd." > Date: > 2/21/2014 8:27 PM > > To: > Lancair Mailing List > > > So I got another message yesterday on the MX20, "No test strikes received from the antenna". > Apparently this occurs when the antenna receives too much 'noise' and so I'll have to check the fault log, > looking for error #17 or #18. The WX-500 antenna is approximately 13" away from the S-tec pitch servo and > the servo is most likely the cause of the 'noise'. > Is there anyone here on LML with a successful WX-500 install in a 360? > > Angier Ames > N4ZQ --------------000803080200020207080203 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: 8bit
I solved a noise problem with my late friend Clarence Grubbs' 69CG Stormscope once which may be of help here. Whenever he would change the pitch on his MT prop, a N-S line of "hits" would appear on his Stormscope. To determine whether the noise was radiated or was coming through the 12V bus, I used an external 12V battery to power the MT prop. In that mode, the spurious "hits" disappeared, demonstrating that the noise was indeed coming through the 12V power. To solve the problem, I put a large choke and capacitor in the power lead to the MT prop. Problem solved.

Good luck--

  --John

On 2/22/2014 6:00 AM, Lancair Mailing List wrote:
Subject:
WX-500
From:
"Greenbacks, UnLtd." <n4zq@verizon.net>
Date:
2/21/2014 8:27 PM
To:
Lancair Mailing List <lml@lancaironline.net>		 

So I got another message yesterday on the MX20, "No test strikes received from the antenna". 
Apparently this occurs when the antenna receives too much 'noise' and so I'll have to check the fault log,
looking for error #17 or #18. The WX-500 antenna is approximately 13" away from the S-tec pitch servo and
the servo is most likely the cause of the 'noise'.
Is there anyone here on LML with a successful WX-500 install in a 360?

Angier Ames
N4ZQ

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