X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.4.51.85] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 1010322 for flyrotary@lancaironline.net; Wed, 22 Jun 2005 15:32:45 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.4.51.85; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Wed, 22 Jun 2005 12:32:00 -0700 Message-ID: Received: from 64.4.51.220 by BAY107-DAV13.phx.gbl with DAV; Wed, 22 Jun 2005 19:32:00 +0000 X-Originating-IP: [64.4.51.220] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] what's in the new EC2 chips? Date: Tue, 21 Jun 2005 16:06:40 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00CA_01C5767B.35A24890" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0011.1703 Seal-Send-Time: Tue, 21 Jun 2005 16:06:40 -0400 X-OriginalArrivalTime: 22 Jun 2005 19:32:00.0322 (UTC) FILETIME=[0F5D1A20:01C57761] This is a multi-part message in MIME format. ------=_NextPart_000_00CA_01C5767B.35A24890 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable =20 Hi Tracy, Since you're on your computer this morning, could give a brief summary = of what changed in the EC2 code for the latest turbo upgrade? Timing? = mixture? Yes, very brief. The ignition timing advance curve for below ambient = and boost retard has been refined. Same story for the fuel curve. The = MAP table has been spread over a larger range of manifold pressures. = Without getting into a boring discussion of software algorithms, that's = all I can say. =20 I got my chips today and am wondering what to expect when I install = them. Regards, john In view of your past experience, me too! (sorry, couldn't resist). = Seriously, there is no specific thing that would be overtly noticeable. = If it works, the engine will be easier to tune, there will be subtle = improvements in fuel burn and it will be less likely to detonate. This = does not mean 'detonation proof ' however. As I mentioned in the note with the chips, The down side is that you = will need to start from scratch with auto-tune because the MAP table is = now on-board the processor chip rather than in a separate chip as it was = before. Tracy ------=_NextPart_000_00CA_01C5767B.35A24890 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

 
Hi Tracy,
Since you're on your computer = this=20 morning, could give a brief summary of what changed in the = EC2 code=20 for the latest turbo upgrade? Timing? mixture?
 
Yes, very = brief. =20 The ignition timing advance curve for below ambient and = boost retard has=20 been refined.   Same story for the fuel curve.  The MAP = table=20 has been spread over a larger range of manifold = pressures. =20 Without getting into a boring discussion of software algorithms, = that's=20 all I can say. 
 
I got my chips today and am = wondering what=20 to expect when I install them.
Regards,
john
 
In view of your past experience, me = too! =20 (sorry, couldn't resist).  Seriously, there is no specific thing = that=20 would be overtly noticeable.  If it works, the engine will be = easier to=20 tune, there will be subtle improvements in fuel burn = and it will be=20 less likely to detonate.  This does not mean 'detonation = proof '=20 however.
 
As I mentioned in the note with the chips, = The down=20 side is that you will need to start from scratch with auto-tune = because=20 the MAP table is now on-board the processor chip rather than in a = separate=20 chip as it was before.
 
Tracy
------=_NextPart_000_00CA_01C5767B.35A24890--