X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-da02.mx.aol.com ([205.188.105.144] verified) by logan.com (CommuniGate Pro SMTP 5.4.4) with ESMTP id 5389916 for flyrotary@lancaironline.net; Thu, 09 Feb 2012 18:31:56 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.188.105.144; envelope-from=bktrub@aol.com Received: from mtaomg-ma06.r1000.mx.aol.com (mtaomg-ma06.r1000.mx.aol.com [172.29.41.13]) by imr-da02.mx.aol.com (8.14.1/8.14.1) with ESMTP id q19NVD75003896 for ; Thu, 9 Feb 2012 18:31:13 -0500 Received: from core-dua003b.r1000.mail.aol.com (core-dua003.r1000.mail.aol.com [172.29.164.9]) by mtaomg-ma06.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id C0938E000087 for ; Thu, 9 Feb 2012 18:31:12 -0500 (EST) References: To: flyrotary@lancaironline.net Subject: Re: [FlyRotary] EM2 was one more thing In-Reply-To: X-MB-Message-Source: WebUI MIME-Version: 1.0 From: bktrub@aol.com X-MB-Message-Type: User Content-Type: multipart/alternative; boundary="--------MB_8CEB59A0B4E8330_AA8_289BE_webmail-m071.sysops.aol.com" X-Mailer: AOL Webmail 35478-STANDARD Received: from 50.46.146.205 by webmail-m071.sysops.aol.com (64.12.141.17) with HTTP (WebMailUI); Thu, 09 Feb 2012 18:31:12 -0500 Message-Id: <8CEB59A0B403AD2-AA8-9C5F@webmail-m071.sysops.aol.com> X-Originating-IP: [50.46.146.205] Date: Thu, 9 Feb 2012 18:31:12 -0500 (EST) x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20110426; t=1328830273; bh=3Geo9dj33L9Kd2HqU8QTR505G70MyjH8YCxf3jiGMuA=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=NhQq7lmSlkGg2pFCuHqXQS0MRUbz2w6KXtYvGF5aQrbhmWdE1RbX4xniyfKvG+Qgh Fe9R0/7j03rhd+AAEhXj0eRBfXgtmP/W8Tl4wgq1ZnKwADz1L3fMJqwTlqOs646xut j83XKyLc31wALTFaKKSrmMKv3rHOB9ab9j+QSYL8= X-AOL-SCOLL-SCORE: 0:2:470691488:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d290d4f3457400c15 This is a multi-part message in MIME format. ----------MB_8CEB59A0B4E8330_AA8_289BE_webmail-m071.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii" Check all gounds for that unit.=20 Brian Trubee -----Original Message----- From: Chris Barber To: Rotary motors in aircraft Sent: Thu, Feb 9, 2012 2:31 pm Subject: [FlyRotary] EM2 was one more thing Well, Murphy must have a corner on my hangar. During a brief engine run tod= ay everything was fine. I added a little power to bump the catering nose wh= eel around and my EM2 lost all it's information and started displaying spor= adically flashing rows of blocks and lines, then occasionally several numer= al "5"s. Tried pushing buttons. Cycled circuit breaker. Turned ships Power = on and off. No Joy. I still have my Dynon EFIS/monitor but the RWS unit is = playing games. The engine is currently running fine. Turned it off and on a= s well too=20 Whoops, now I see "2"'s inside some of the flashing blocks.=20 Ideas please.=20 Chris Sent from my iPhone 4 On Feb 9, 2012, at 3:36 PM, "Chris Barber" wrot= e: Tracy,=20 On the topic of EGT's, I am using your engine monitor in conjunction with m= y Dynon engine monitor. I has some problems with the RWS EGT reading do I a= m letting the Dynon monitor the EGT's.=20 I wrote asking about a way to disable the EGT readings on the RWS monitor. = You suggested connecting the EGT leads together. However, this did not work= . Any other ideas? I am quite close to flying, I hope so I would prefer no= t to have to send it in if possible and may wait till after trying to gly a= s the Dynon gives redundancy, but obviously does little for tuning.=20 Thanks.=20 Chris Barber Houston Sent from my iPhone 4 On Feb 9, 2012, at 7:49 AM, "Tracy" wrote: The EGT channels should be pretty accurate over the full range. Less calib= ration for these is necessary because a temp compensated thermocouple inter= face chip is used in the EM2/3. =20 The EGT bar graphs are the only thing that don't read below 1000 deg. Te= mps below that are not significant (for EGT). The bargraph can then have h= igher resolution over the range of interest. Tracy=20 On Wed, Feb 8, 2012 at 11:27 PM, wrote: The egt can't read anything below around 800-1000 accurately f if I recall = correctly. I don't recall exactly, but it's several hundred degrees, maybe= as low as 180 or so when the engine is ambient- around 50 today.=20 Brian Trubee -----Original Message----- From: Bill Bradburry To: Rotary motors in aircraft Sent: Wed, Feb 8, 2012 8:17 pm Subject: [FlyRotary] Re: one more thing Speaking of EGT calibration. If the EGT reads ambient air temps accurately= , does that mean that it is accurate throughout its range??? If not, how d= o you check the temp when it is reading 15-1600 degrees?? =20 Bill B=20 =20 From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Beh= alf Of bktrub@aol.com Sent: Wednesday, February 08, 2012 9:17 PM To: Rotary motors in aircraft Subject: [FlyRotary] one more thing =20 Also, I forgot to mention- in looking at the calibration for my EGTs I have= the same settings for both- Scale factor is 1.943 and the low end offset i= s 38. Is this the correct factory setting? =20 Thanks, Brian Trubee ----------MB_8CEB59A0B4E8330_AA8_289BE_webmail-m071.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii"
Check all gounds for that = unit.
 
Brian Trubee


= -----Original Message-----
From: Chris Barber <cbarber@texasattorney.net>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Thu, Feb 9, 2012 2:31 pm
Subject: [FlyRotary] EM2 was one more thing

Well, Murphy must have a corner on my hangar. During a brief engine ru= n today everything was fine. I added a little power to bump the catering no= se wheel around and my EM2 lost all it's information and started displaying= sporadically flashing rows of blocks and lines, then occasionally several = numeral "5"s. Tried pushing buttons. Cycled circuit breaker. Turned ships P= ower on and off. No Joy. I still have my Dynon EFIS/monitor but the RWS uni= t is playing games. The engine is currently running fine. Turned it off and= on as well too 

Whoops, now I see "2"'s inside some of the flashing blocks. 

Ideas please. 

Chris

Sent from my iPhone 4

On Feb 9, 2012, at 3:36 PM, "Chris Barber" <cbarber@texasattorney.net> wrote:

Tracy, 

On the topic of EGT's, I am using your engine monitor in conjunction w= ith my Dynon engine monitor. I has some problems with the RWS EGT reading d= o I am letting the Dynon monitor the EGT's. 

I wrote asking about a way to disable the EGT readings on the RWS moni= tor. You suggested connecting the EGT leads together. However, this did not= work. Any other ideas?  I am quite close to flying, I hope so I would= prefer not to have to send it in if possible and may wait till after tryin= g to gly as the Dynon gives redundancy, but obviously does little for tunin= g. 

Thanks. 

Chris Barber
Houston


Sent from my iPhone 4

On Feb 9, 2012, at 7:49 AM, "Tracy" <rwstracy@gmail.com> wrote:

The EGT channels should be pretty accurate over the full range.  = Less calibration for these is necessary because a temp compensated thermoco= uple interface chip is used in the EM2/3. 

 The EGT bar graphs are the only thing that don't read below 1000 deg.=   Temps below that are not significant (for EGT).  The bargraph = can then have higher resolution over the range of interest.

Tracy

On Wed, Feb 8, 2012 at 11:27 PM, &= lt;bktrub@aol.com> wrote:
The egt can't read anything below around 800-1000 accurately f if= I recall correctly.  I don't recall exactly, but it's several hundred= degrees, maybe as low as 180 or so when the engine is ambient- around 50 t= oday.
Brian Trubee



-----Original = Message-----
From: Bill Bradburry <bbradb= urry@bellsouth.net>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Wed, Feb 8, 2012 8:17 pm
Subject: [FlyRotary] Re: one more thing

Speaking of EGT calibration.&n= bsp; If the EGT reads ambient air temps accurately, does that mean that it = is accurate throughout its range???  If not, how do you check the temp= when it is reading 15-1600 degrees??
 
Bill B
 
From: Rotary mot= ors in aircraft [mailto:fly= rotary@lancaironline.net] On Behal= f Of bktrub@aol.com
Sent: Wednesday, February 0= 8, 2012 9:17 PM
To: Rotary motors in aircra= ft
Subject: [FlyRotary] one mo= re thing
 
Also, I forgot to mention- in looking at t= he calibration for my EGTs I have the same settings for both- Scale factor = is 1.943 and the low end offset is 38. Is this the correct factory setting?=
 
Thanks,
Brian Trubee

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