X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [24.25.9.101] (HELO ms-smtp-02-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 5.0c1) with ESMTP id 685547 for flyrotary@lancaironline.net; Mon, 29 Aug 2005 11:28:07 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.101; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-065-188-083-049.carolina.res.rr.com [65.188.83.49]) by ms-smtp-02-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j7TFRGl9019068 for ; Mon, 29 Aug 2005 11:27:17 -0400 (EDT) Message-ID: <001c01c5acae$2db43940$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Analog Digital system comparison Date: Mon, 29 Aug 2005 11:27:32 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0019_01C5AC8C.A5F4A600" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0019_01C5AC8C.A5F4A600 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Dave, Rev 2 should be a better version. Will have a graphical screen, larger = screen (and letters) and the input buttons will be arrange so that fat = fingers can better access them. I have the board designed and ordered = while I current working on the software for the graphical display. If I = can get the graphical screen working I should be able to also = graphically display the EC2's fuel map settings - so if your engine = stumbles when the Map shows a "hole/dip" in your settings - you can = better understand why {:>). Ed ----- Original Message -----=20 From: David Leonard=20 To: Rotary motors in aircraft=20 Sent: Monday, August 29, 2005 12:19 AM Subject: [FlyRotary] Re: Analog Digital system comparison But Ed, when can I get MINE? !!???!!! :-) --=20 Dave Leonard Turbo Rotary RV-6 N4VY http://members.aol.com/_ht_a/rotaryroster/index.html http://members.aol.com/_ht_a/vp4skydoc/index.html=20 =20 On 8/28/05, Ed Anderson wrote:=20 Hi George, No comparison. Tracy's offers much more in terms of both engine and = aircraft performance data. This is not a Fuel management system, I = refer to it as a Fuel Monitoring System. It offers no aircraft nor = engine performance data (other than RPM, It focuses on Fuel Flow, Fuel = Used and Air/Fuel Ratio indicator). If I am able to read the EC2 Fuel = Map and display the fuel MAP then it will provide a bit more insight in = how well your EC2 MAP is set up. You'll still have to change it using = the EC2 controls, so it is probably better than having nothing. But, I = would never consider it even close to what Tracy's EM2 can provide. = Plus, I am certain Tracy will continue to add to its capabilities.=20 I can see no reason anyone who has an EM2 would ever want/need one = - but, if you don't have the panel space for an EM2 then this might be = a better than nothing alternative. Ed A ----- Original Message -----=20 From: George Lendich=20 To: Rotary motors in aircraft=20 Sent: Sunday, August 28, 2005 6:36 PM Subject: [FlyRotary] Re: Analog Digital system comparison =20 Ed,=20 How does this differ from Tracy's system of fuel management ? George This may be of interest to some. Here are photos of my two fuel monitoring systems, comparing the = original Analog system with the new Digital System. The analog system served long and well, giving accuracy of fuel = flow and fuel used to less than a 1% error. However, it was large, had = 9 chips and only provided two bits of data - Fuel Flow and Fuel Used as = displayed information. Any change required a change to the design, new = chips and a new board. Very limited upgrade capability and just = outdated (well, it actually was when I designed it - but, being an old = analog type myself, it was a interim system until I could learn a bit = about this digital world)=20 The digit system is much smaller, the one shown used 2 chips = (since reduced to one chip- the microprocessor) and provides 9 different = fuel factors (including Air/Fuel ratio indication), has user settable = alarms, remembers fuel parameters at shut down and has an automatic = calibration system. Software changes can be easily (relative speaking) = make to accommodate changes and upgrades. Currently waiting for a new = board for version 2 of the digital - this one will have a larger LCD = screen (but will still fit 2 1/4" hole) with graphical capability which = I hope to be able to display the EC2 fuel map in graphical form. The = activation buttons will be re-positioned so that even my fat fingers can = better push them. =20 So after many years of use - old reliable (but out-dated) analog = system is being retired with honors. Ed Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com=20 ------------------------------------------------------------------------ -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net/lists/flyrotary/ ------=_NextPart_000_0019_01C5AC8C.A5F4A600 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Dave,
 
Rev 2 should be a better version.  Will = have a=20 graphical screen, larger screen (and letters) and the input buttons will = be=20 arrange so that fat fingers can better access them.  I have the = board=20 designed and ordered while I current working on the software for = the=20 graphical display.  If I can get the graphical screen working I = should be=20 able to also graphically display the EC2's fuel map settings - so if = your engine=20 stumbles when the Map shows a "hole/dip" in your settings - you can = better=20 understand why {:>).
 
Ed
----- Original Message -----
From:=20 David=20 Leonard
Sent: Monday, August 29, 2005 = 12:19=20 AM
Subject: [FlyRotary] Re: Analog = Digital=20 system comparison

But Ed,  when can I get MINE?   = !!???!!!   =20 :-)
 

--
Dave Leonard
Turbo Rotary RV-6 N4VY
http://memb= ers.aol.com/_ht_a/rotaryroster/index.html
http://members= .aol.com/_ht_a/vp4skydoc/index.html=20

 
On 8/28/05, Ed=20 Anderson <eanderson@carolina.rr.com&g= t;=20 wrote:=20
Hi George,
 
No comparison.  Tracy's offers much = more in terms=20 of both engine and aircraft performance data.  This is not a = Fuel=20 management system, I refer to it as a Fuel Monitoring System.  = It=20 offers no aircraft nor engine performance data (other than = RPM,  It=20 focuses on  Fuel Flow, Fuel Used and Air/Fuel Ratio=20 indicator).  If I am able to read the EC2 Fuel Map and display = the fuel=20 MAP then it will provide a bit more insight in how well your = EC2 MAP is=20 set up.  You'll still have to change it using the=20 EC2 controls, so it is probably better  than having=20 nothing.  But, I would never consider it even close to what = Tracy's EM2=20 can provide.  Plus, I am certain Tracy will continue to add to = its=20 capabilities.
 
I can see no reason anyone who has an EM2 = would ever=20 want/need one  - but, if you don't have the panel space for an = EM2=20  then this might be a better than nothing = alternative.
 
Ed A
 
 
----- Original Message ----- =
From: = George = Lendich=20
To: Rotary = motors in=20 aircraft
Sent: Sunday, August 28, = 2005 6:36=20 PM
Subject: [FlyRotary] Re: = Analog=20 Digital system comparison

 
Ed,
How does this differ from Tracy's = system of=20 fuel management ?
George
This may be of interest to = some.
 
Here are photos of my two fuel = monitoring systems,=20 comparing the original Analog system with the new Digital=20 System.
 
The analog system served long and well, = giving=20 accuracy of fuel flow and fuel used to less than a 1% = error. =20 However, it was large, had 9 chips and only provided two bits of = data -=20 Fuel Flow and Fuel Used as = displayed=20 information.  Any change required a change to the design, = new chips=20 and a new board.  Very limited upgrade capability and just = outdated=20 (well, it actually was when I designed it - but, being an old = analog=20 type myself,  it was a interim system until I could learn a = bit=20 about this digital world)
 
The digit system is much smaller, the = one shown=20 used 2 chips (since reduced to one chip- the microprocessor) and = provides 9 different fuel factors (including Air/Fuel ratio = indication),=20 has user settable alarms, remembers fuel parameters at shut down = and has=20 an automatic calibration system. Software changes can be easily=20 (relative speaking) make to accommodate changes and = upgrades. =20 Currently waiting for a new board for version 2 of the digital - = this=20 one will have a larger LCD screen (but will still fit 2 1/4" = hole) with=20 graphical capability which I hope to be able to display the EC2 = fuel map=20 in graphical form.  The activation buttons will be = re-positioned so=20 that even my fat fingers can better push them.  =
 
So after many years of use - old = reliable=20 (but out-dated) analog system is being retired with = honors.
 
Ed
 
Ed Anderson
Rv-6A N494BW Rotary=20 Powered
Matthews, NC
eanderson@carolina.rr.com

--
Homepage:  http://www.flyrotary.com/
Archive and=20 UnSub:   http://mail.lancaironline.net/lists/flyrotary/

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