X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.129.170.194] (HELO VIRCOM1.fcdata.private) by logan.com (CommuniGate Pro SMTP 5.4.4) with ESMTP id 5389861 for flyrotary@lancaironline.net; Thu, 09 Feb 2012 17:31:46 -0500 Received-SPF: none receiver=logan.com; client-ip=64.129.170.194; envelope-from=cbarber@texasattorney.net Received: from FCD-MAIL06.FCDATA.PRIVATE (unverified [172.16.5.23]) by VIRCOM1.fcdata.private (Vircom SMTPRS 5.1.1024.13396) with ESMTP id for ; Thu, 9 Feb 2012 16:30:28 -0600 X-Modus-BlackList: 172.16.5.23=OK;cbarber@texasattorney.net=OK X-Modus-RBL: 172.16.5.23=Excluded X-Modus-Trusted: 172.16.5.23=NO X-Modus-Audit: FALSE;0;0;0 Received: from FCD-MAIL05.FCDATA.PRIVATE ([fe80::809d:a06e:5913:452e]) by FCD-MAIL06.FCDATA.PRIVATE ([fe80::697f:d6aa:b87:78d8%17]) with mapi id 14.01.0355.002; Thu, 9 Feb 2012 16:31:10 -0600 From: Chris Barber To: Rotary motors in aircraft CC: Rotary motors in aircraft Subject: EM2 was one more thing Thread-Topic: EM2 was one more thing Thread-Index: AQHM53p0o4s9xa8PkkSruM6IzDGqAw== Date: Thu, 9 Feb 2012 22:31:02 +0000 Message-ID: <29AEDF66-6859-4E23-9A35-5A9EAFA3C222@texasattorney.net> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: multipart/alternative; boundary="_000_29AEDF6668594E239A355A9EAFA3C222texasattorneynet_" MIME-Version: 1.0 --_000_29AEDF6668594E239A355A9EAFA3C222texasattorneynet_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable 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 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" > wrote: Tracy, 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. 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. Thanks. 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. 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 On Wed, Feb 8, 2012 at 11:27 PM, > wr= ote: 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. 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?? Bill B ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of bktrub@aol.com Sent: Wednesday, February 08, 2012 9:17 PM To: Rotary motors in aircraft Subject: [FlyRotary] one more thing 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? Thanks, Brian Trubee --_000_29AEDF6668594E239A355A9EAFA3C222texasattorneynet_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
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 Power on and off. No Joy. I = still have my Dynon EFIS/monitor but the RWS unit is playing games. The eng= ine is currently running fine. Turned it off and on as well too 

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

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 trying to gly as the Dynon gives redundan= cy, but obviously does little for tuning. 

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, <bktrub@aol.com> wrot= e:
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 Mes= sage-----
From: Bill Bradburry <bbradburry@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.&= nbsp; 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 motor= s in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of bktrub@aol.com
Sent: Wednesday, February 08= , 2012 9:17 PM
To: Rotary motors in aircraf= t
Subject: [FlyRotary] one mor= e thing
 
Also, I forgot to mention- in looking= at the calibration for my EGTs I have the same settings for both- Scale fa= ctor is 1.943 and the low end offset is 38. Is this the correct factory setting?
 
Thanks,
Brian Trubee

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