X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-lpp01m020-f180.google.com ([209.85.217.180] verified) by logan.com (CommuniGate Pro SMTP 5.4.4) with ESMTPS id 5390768 for flyrotary@lancaironline.net; Fri, 10 Feb 2012 10:24:33 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.217.180; envelope-from=rwstracy@gmail.com Received: by lboi8 with SMTP id i8so1312203lbo.25 for ; Fri, 10 Feb 2012 07:23:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=qx4OXhJtHD7rS//fsO/iYhRzDu26JBkBa0RPorBhRlw=; b=Euux/nxfw6pjHXJJlF7O5IJuuKz/RTEIBy6cnGOruPojQQqBmv9jLnimzfoD2UA136 J95j7Dyuc/mRAd1N1qSouq55aW12lnvGUsJP5+eSUFffc7XwAAsCFK3ne4Cj+YCTDvuB 3xEsSAyl1a0pErvX+/7I/4wSc49infdryi70s= MIME-Version: 1.0 Received: by 10.112.48.36 with SMTP id i4mr2160987lbn.84.1328887439083; Fri, 10 Feb 2012 07:23:59 -0800 (PST) Received: by 10.112.75.74 with HTTP; Fri, 10 Feb 2012 07:23:58 -0800 (PST) In-Reply-To: References: Date: Fri, 10 Feb 2012 10:23:58 -0500 Message-ID: Subject: Re: [FlyRotary] Re: EM2 was one more thing From: Tracy To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=bcaec554d9e2c0c94f04b89db7c1 --bcaec554d9e2c0c94f04b89db7c1 Content-Type: text/plain; charset=ISO-8859-1 It's not just ground continuity that is important, it is routing of the ground circuit, especially on composite aircraft.. But your problem may be just a broken EM2 since it was working before. Tracy On Thu, Feb 9, 2012 at 6:48 PM, Chris Barber wrote: > Grounds already checked. It is my first task these days. Thanks. > > > Sent from my iPhone 4 > > On Feb 9, 2012, at 5:32 PM, "bktrub@aol.com" wrote: > > Check all gounds for that unit. > > 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 > today everything was fine. I added a little power to bump the catering nose > 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 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" > wrote: > > Tracy, > > On the topic of EGT's, I am using your engine monitor in conjunction > with my Dynon engine monitor. I has some problems with the RWS EGT reading > do I am 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 not to have to send it in if possible and may wait till after trying > to gly as 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 > calibration for these is necessary because a temp compensated thermocouple > 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, 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. >> 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 do 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 is 38. Is this the correct factory setting? >> >> Thanks, >> Brian Trubee >> > > --bcaec554d9e2c0c94f04b89db7c1 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable It's not just ground continuity that is important, it is routing of the= ground circuit, especially on composite aircraft..=A0=A0 But your problem = may be just a broken EM2 since it was working before.

Tracy

=
On Thu, Feb 9, 2012 at 6:48 PM, Chris Barber <cbarber@texasattorney.net> wrote:
Grounds already checked. It is my first task these days. Thanks.=A0

Sent from my iPhone 4

On Feb 9, 2012, at 5:32 PM, "bktrub@aol.com" <bktrub@aol.com> wrote:

Check all gounds for that = unit.
=A0
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 displa= ying 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=A0

Whoops, now I see "2"'s inside some of the flashing bloc= ks.=A0

Ideas please.=A0

Chris

Sent from my iPhone 4

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

Tracy,=A0

On the topic of EGT's, I am using your engine monitor in conjuncti= on with my Dynon engine monitor. I has some problems with the RWS EGT readi= ng do I am letting the Dynon monitor the EGT's.=A0

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? =A0I am quite close to flying, I hope so I would pr= efer 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.=A0

Thanks.=A0

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.=A0 Les= s calibration for these is necessary because a temp compensated thermocoupl= e interface chip is used in the EM2/3.=A0

=A0The EGT bar graphs are the only thing that don't read below 1000 deg= . =A0 Temps below that are not significant (for EGT).=A0 The bargraph can t= hen have higher resolution over the range of interest.

Tracy

On Wed, Feb 8, 2012 at 11:27 PM, <bktrub@aol.com> wrote:
The egt can't read anything below around 800-1000 accurately=A0f i= f I recall correctly.=A0 I don't recall exactly, but it's several h= undred degrees, maybe as low as 180 or so when the engine is ambient- aroun= d 50 today.
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.= =A0 If the EGT reads ambient air temps accurately, does that mean that it i= s accurate throughout its range???=A0 If not, how do you check the temp when it is reading 15-1600 degrees??=
=A0
Bill B
=A0
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
=A0
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?
=A0
Thanks,
Brian Trubee


--bcaec554d9e2c0c94f04b89db7c1--