X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 5.3.7) with ESMTP id 4338409 for flyrotary@lancaironline.net; Sun, 06 Jun 2010 18:19:04 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=1.1 cv=DA6XDZ/syCP48ufzhh+Ja8jUVdbWZPhOKjvaiqcYqHw= c=1 sm=0 a=q8OS1GolVHwA:10 a=Er6hwA6a1l4K/FyzC6NN7w==:17 a=ayC55rCoAAAA:8 a=arxwEM4EAAAA:8 a=QdXCYpuVAAAA:8 a=7g1VtSJxAAAA:8 a=ekHE3smAAAAA:20 a=UretUmmEAAAA:8 a=Ia-xEzejAAAA:8 a=wxyTr1ZP7tQqhoL7PBgA:9 a=k6qui-LFdZH_VTdrdXQA:7 a=fcvhF35z7wNNLfyaIeGCdPz8_nAA:4 a=CjuIK1q_8ugA:10 a=1vhyWl4Y8LcA:10 a=EzXvWhQp4_cA:10 a=SSmOFEACAAAA:8 a=EF-cZD2T6Jk803T9DV8A:9 a=qhdoi8IhE7ZqxcjvGVAA:7 a=ui4f-YPGpDFcDMsMqCpX8sV0GaUA:4 a=Er6hwA6a1l4K/FyzC6NN7w==:117 X-Cloudmark-Score: 0 X-Originating-IP: 75.181.123.159 Received: from [75.181.123.159] ([75.181.123.159:2050] helo=computername) by cdptpa-oedge03.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id ED/32-17309-5BE1C0C4; Sun, 06 Jun 2010 22:18:30 +0000 From: "Ed Anderson" Message-ID: To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] ECU and turbo switch Date: Sun, 6 Jun 2010 18:18:53 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0010_01CB05A4.B88CED10" X-Mailer: Microsoft Office Outlook, Build 11.0.5510 Thread-Index: AcsFu6oKXLgjl7Z6SUSv3PlOiU6w3QACdyOw In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5931 This is a multi-part message in MIME format. ------=_NextPart_000_0010_01CB05A4.B88CED10 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Not certain I have the correct answer. But, at one time there were two versions of the EC2 - one for N/A and one for Turbo. I had the turbo version for a while thinking I might install a turbo (but decided against it). I suspect that Tracy may have combined the two and just sets some parameters differently depending on whether the turbo on switch is set or not. Another possibility is that the Manifold pressure range with a turbo and non-turbo were different. The turbo had a broader manifold pressure bin than the N/A - so any reading of Manifold pressure off the MAP bins could be adjusted depending on whether you have a turbo or not. I personally found the Turbo version easier to tune because the manifold pressure bins were wider than on the N/A EC2. Some day Tracy will come down off the mountain {:>) - I mean we have entered Hurricane season and I'm certain Tracy would not want to be away from Florida during that period {:>) Ed Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://www.andersonee.com http://www.dmack.net/mazda/index.html http://www.flyrotary.com/ http://members.cox.net/rogersda/rotary/configs.htm#N494BW http://www.rotaryaviation.com/Rotorhead%20Truth.htm _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Chris Barber Sent: Sunday, June 06, 2010 4:58 PM To: Rotary motors in aircraft Subject: [FlyRotary] ECU and turbo switch Perhaps this is better directed at Tracy, however, with the wealth of collective wisdom on this site I will throw it into the pit. What does the "turbo on switch" on the EC2 do? IIRC, in the manual it shows it to be either on or of (a 1 or a 0). I ask cuz since I installed my turbo a few weeks ago my engine is running better than ever. Smoother, more consistently, easier and more predictable starts etc. Just curios if perhaps I am figuring out lots of other stuff at about the same time I installed the turbo or what. Oh....and the power...even with just three lbs of boost. Pretty impressive. Carry on. Chris Barber Houston, GSOT ------=_NextPart_000_0010_01CB05A4.B88CED10 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Not certain I have the correct = answer.  But, at one time there were two versions of the EC2 – one for N/A and = one for Turbo. I had the turbo version for a while thinking I might install a = turbo (but decided against it).

I suspect that Tracy may have combined the two and = just sets some parameters differently depending on whether the turbo on switch is = set or not.  Another possibility is that the Manifold pressure range with = a turbo and non-turbo were different.  The turbo had a broader manifold = pressure bin than the N/A – so any reading of Manifold pressure off the MAP bins = could be adjusted depending on whether you have a turbo or = not.

 

I personally found the Turbo = version easier to tune because the manifold pressure bins were wider than on the = N/A EC2.

 

Some day Tracy will come down off the mountain {:>) – I mean we have entered Hurricane season and I’m certain Tracy would not want to be away from Florida during that period {:>)

 

Ed

 

 

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Chris Barber
Sent: Sunday, June 06, = 2010 4:58 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] ECU = and turbo switch

 

Perhaps this is better directed at = Tracy, = however, with the wealth of collective wisdom on this site I will throw it into the = pit.

 

What does the "turbo on = switch" on the EC2 do?  IIRC, in the manual it shows it to be either on = or of (a 1 or a 0).  I ask cuz since I installed my turbo a few weeks = ago my engine is running better than ever.  Smoother, more consistently, = easier and more predictable starts etc.  Just curios if perhaps I am figuring out lots of other stuff at about the same time I installed the = turbo or what.

 

Oh....and the power...even with just = three lbs of boost.  Pretty impressive.

 

Carry on.

 

Chris = Barber

Houston, = GSOT

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